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index.html
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| 19 |
</html>
|
|
|
|
| 1 |
+
<!DOCTYPE html>
|
| 2 |
+
<html lang="en">
|
| 3 |
+
<head>
|
| 4 |
+
<meta charset="UTF-8">
|
| 5 |
+
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
| 6 |
+
<title>AutonomousDrive — Self-Driving Car via Behavioral Cloning</title>
|
| 7 |
+
<link rel="preconnect" href="https://fonts.googleapis.com">
|
| 8 |
+
<link href="https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Syne:wght@400;600;700;800&display=swap" rel="stylesheet">
|
| 9 |
+
<style>
|
| 10 |
+
:root {
|
| 11 |
+
--bg: #050810;
|
| 12 |
+
--surface: #0c1220;
|
| 13 |
+
--card: #101828;
|
| 14 |
+
--border: #1e2d47;
|
| 15 |
+
--accent: #00e5ff;
|
| 16 |
+
--accent2: #ff6b35;
|
| 17 |
+
--accent3: #7c3aed;
|
| 18 |
+
--gold: #f59e0b;
|
| 19 |
+
--text: #e2e8f0;
|
| 20 |
+
--muted: #64748b;
|
| 21 |
+
--green: #10b981;
|
| 22 |
+
--red: #ef4444;
|
| 23 |
+
}
|
| 24 |
+
|
| 25 |
+
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
|
| 26 |
+
|
| 27 |
+
html { scroll-behavior: smooth; }
|
| 28 |
+
|
| 29 |
+
body {
|
| 30 |
+
font-family: 'Syne', sans-serif;
|
| 31 |
+
background: var(--bg);
|
| 32 |
+
color: var(--text);
|
| 33 |
+
overflow-x: hidden;
|
| 34 |
+
line-height: 1.6;
|
| 35 |
+
}
|
| 36 |
+
|
| 37 |
+
/* ─── NOISE OVERLAY ─── */
|
| 38 |
+
body::before {
|
| 39 |
+
content: '';
|
| 40 |
+
position: fixed; inset: 0;
|
| 41 |
+
background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
|
| 42 |
+
pointer-events: none; z-index: 1000; opacity: .35;
|
| 43 |
+
}
|
| 44 |
+
|
| 45 |
+
/* ─── NAV ─── */
|
| 46 |
+
nav {
|
| 47 |
+
position: fixed; top: 0; left: 0; right: 0;
|
| 48 |
+
display: flex; align-items: center; justify-content: space-between;
|
| 49 |
+
padding: 1rem 3rem;
|
| 50 |
+
background: rgba(5,8,16,.85);
|
| 51 |
+
backdrop-filter: blur(12px);
|
| 52 |
+
border-bottom: 1px solid var(--border);
|
| 53 |
+
z-index: 900;
|
| 54 |
+
}
|
| 55 |
+
|
| 56 |
+
.nav-logo {
|
| 57 |
+
font-family: 'Space Mono', monospace;
|
| 58 |
+
font-size: .85rem;
|
| 59 |
+
color: var(--accent);
|
| 60 |
+
letter-spacing: .1em;
|
| 61 |
+
text-transform: uppercase;
|
| 62 |
+
}
|
| 63 |
+
|
| 64 |
+
nav ul { list-style: none; display: flex; gap: 2.5rem; }
|
| 65 |
+
nav a { color: var(--muted); text-decoration: none; font-size: .85rem; font-weight: 600; letter-spacing: .05em; transition: color .2s; text-transform: uppercase; }
|
| 66 |
+
nav a:hover { color: var(--accent); }
|
| 67 |
+
|
| 68 |
+
/* ─── HERO ─── */
|
| 69 |
+
#hero {
|
| 70 |
+
min-height: 100vh;
|
| 71 |
+
display: flex; align-items: center; justify-content: center;
|
| 72 |
+
text-align: center;
|
| 73 |
+
padding: 8rem 2rem 4rem;
|
| 74 |
+
position: relative;
|
| 75 |
+
overflow: hidden;
|
| 76 |
+
}
|
| 77 |
+
|
| 78 |
+
.hero-grid {
|
| 79 |
+
position: absolute; inset: 0;
|
| 80 |
+
background-image:
|
| 81 |
+
linear-gradient(rgba(0,229,255,.04) 1px, transparent 1px),
|
| 82 |
+
linear-gradient(90deg, rgba(0,229,255,.04) 1px, transparent 1px);
|
| 83 |
+
background-size: 60px 60px;
|
| 84 |
+
mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 100%);
|
| 85 |
+
}
|
| 86 |
+
|
| 87 |
+
.hero-glow {
|
| 88 |
+
position: absolute;
|
| 89 |
+
width: 600px; height: 600px;
|
| 90 |
+
border-radius: 50%;
|
| 91 |
+
background: radial-gradient(circle, rgba(0,229,255,.12) 0%, transparent 70%);
|
| 92 |
+
top: 50%; left: 50%; transform: translate(-50%, -60%);
|
| 93 |
+
pointer-events: none;
|
| 94 |
+
}
|
| 95 |
+
|
| 96 |
+
.hero-badge {
|
| 97 |
+
display: inline-block;
|
| 98 |
+
font-family: 'Space Mono', monospace;
|
| 99 |
+
font-size: .7rem;
|
| 100 |
+
letter-spacing: .2em;
|
| 101 |
+
text-transform: uppercase;
|
| 102 |
+
color: var(--accent);
|
| 103 |
+
border: 1px solid rgba(0,229,255,.3);
|
| 104 |
+
padding: .4rem 1.2rem;
|
| 105 |
+
border-radius: 2rem;
|
| 106 |
+
margin-bottom: 2rem;
|
| 107 |
+
background: rgba(0,229,255,.05);
|
| 108 |
+
animation: fadeUp .8s ease both;
|
| 109 |
+
}
|
| 110 |
+
|
| 111 |
+
h1 {
|
| 112 |
+
font-size: clamp(2.5rem, 6vw, 5.5rem);
|
| 113 |
+
font-weight: 800;
|
| 114 |
+
line-height: 1.05;
|
| 115 |
+
letter-spacing: -.02em;
|
| 116 |
+
margin-bottom: 1.5rem;
|
| 117 |
+
animation: fadeUp .8s .1s ease both;
|
| 118 |
+
}
|
| 119 |
+
|
| 120 |
+
h1 span { color: var(--accent); }
|
| 121 |
+
|
| 122 |
+
.hero-sub {
|
| 123 |
+
max-width: 680px;
|
| 124 |
+
margin: 0 auto 3rem;
|
| 125 |
+
color: var(--muted);
|
| 126 |
+
font-size: 1.1rem;
|
| 127 |
+
font-weight: 400;
|
| 128 |
+
animation: fadeUp .8s .2s ease both;
|
| 129 |
+
}
|
| 130 |
+
|
| 131 |
+
.hero-stats {
|
| 132 |
+
display: flex; gap: 3rem; justify-content: center; flex-wrap: wrap;
|
| 133 |
+
animation: fadeUp .8s .3s ease both;
|
| 134 |
+
}
|
| 135 |
+
|
| 136 |
+
.stat { text-align: center; }
|
| 137 |
+
.stat-num {
|
| 138 |
+
font-family: 'Space Mono', monospace;
|
| 139 |
+
font-size: 2rem;
|
| 140 |
+
font-weight: 700;
|
| 141 |
+
color: var(--accent);
|
| 142 |
+
display: block;
|
| 143 |
+
}
|
| 144 |
+
.stat-lbl { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }
|
| 145 |
+
|
| 146 |
+
.road-line {
|
| 147 |
+
width: 100%; height: 3px;
|
| 148 |
+
background: linear-gradient(90deg, transparent, var(--accent), transparent);
|
| 149 |
+
margin: 3rem 0 0;
|
| 150 |
+
animation: scanline 3s linear infinite;
|
| 151 |
+
}
|
| 152 |
+
|
| 153 |
+
@keyframes scanline {
|
| 154 |
+
0% { opacity: .4; } 50% { opacity: 1; } 100% { opacity: .4; }
|
| 155 |
+
}
|
| 156 |
+
|
| 157 |
+
/* ─── SECTIONS ─── */
|
| 158 |
+
section { padding: 6rem 2rem; position: relative; }
|
| 159 |
+
.container { max-width: 1200px; margin: 0 auto; }
|
| 160 |
+
|
| 161 |
+
.section-label {
|
| 162 |
+
font-family: 'Space Mono', monospace;
|
| 163 |
+
font-size: .7rem;
|
| 164 |
+
letter-spacing: .25em;
|
| 165 |
+
text-transform: uppercase;
|
| 166 |
+
color: var(--accent);
|
| 167 |
+
margin-bottom: 1rem;
|
| 168 |
+
}
|
| 169 |
+
|
| 170 |
+
h2 {
|
| 171 |
+
font-size: clamp(1.8rem, 3.5vw, 2.8rem);
|
| 172 |
+
font-weight: 800;
|
| 173 |
+
letter-spacing: -.02em;
|
| 174 |
+
margin-bottom: 1rem;
|
| 175 |
+
}
|
| 176 |
+
|
| 177 |
+
h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: .75rem; }
|
| 178 |
+
|
| 179 |
+
.section-intro {
|
| 180 |
+
color: var(--muted);
|
| 181 |
+
max-width: 700px;
|
| 182 |
+
margin-bottom: 4rem;
|
| 183 |
+
font-size: 1.05rem;
|
| 184 |
+
}
|
| 185 |
+
|
| 186 |
+
/* ─── CARDS ─── */
|
| 187 |
+
.card {
|
| 188 |
+
background: var(--card);
|
| 189 |
+
border: 1px solid var(--border);
|
| 190 |
+
border-radius: 12px;
|
| 191 |
+
padding: 2rem;
|
| 192 |
+
position: relative;
|
| 193 |
+
overflow: hidden;
|
| 194 |
+
transition: border-color .25s, transform .25s;
|
| 195 |
+
}
|
| 196 |
+
.card:hover { border-color: rgba(0,229,255,.35); transform: translateY(-2px); }
|
| 197 |
+
.card::before {
|
| 198 |
+
content: '';
|
| 199 |
+
position: absolute; inset: 0;
|
| 200 |
+
background: radial-gradient(circle at top left, rgba(0,229,255,.04), transparent 60%);
|
| 201 |
+
pointer-events: none;
|
| 202 |
+
}
|
| 203 |
+
|
| 204 |
+
/* ─── ARCHITECTURE ─── */
|
| 205 |
+
#architecture { background: var(--surface); }
|
| 206 |
+
|
| 207 |
+
.arch-grid {
|
| 208 |
+
display: grid;
|
| 209 |
+
grid-template-columns: 1fr 1fr;
|
| 210 |
+
gap: 2rem;
|
| 211 |
+
}
|
| 212 |
+
|
| 213 |
+
.layer-block {
|
| 214 |
+
display: flex; align-items: center; gap: 1rem;
|
| 215 |
+
background: rgba(0,229,255,.04);
|
| 216 |
+
border: 1px solid rgba(0,229,255,.15);
|
| 217 |
+
border-radius: 8px;
|
| 218 |
+
padding: 1rem 1.5rem;
|
| 219 |
+
font-family: 'Space Mono', monospace;
|
| 220 |
+
font-size: .8rem;
|
| 221 |
+
transition: background .2s;
|
| 222 |
+
}
|
| 223 |
+
.layer-block:hover { background: rgba(0,229,255,.08); }
|
| 224 |
+
|
| 225 |
+
.layer-icon {
|
| 226 |
+
width: 36px; height: 36px;
|
| 227 |
+
border-radius: 6px;
|
| 228 |
+
display: flex; align-items: center; justify-content: center;
|
| 229 |
+
font-size: 1rem;
|
| 230 |
+
flex-shrink: 0;
|
| 231 |
+
}
|
| 232 |
+
|
| 233 |
+
.layer-icon.conv { background: rgba(0,229,255,.15); }
|
| 234 |
+
.layer-icon.fc { background: rgba(255,107,53,.15); }
|
| 235 |
+
.layer-icon.drop { background: rgba(124,58,237,.15); }
|
| 236 |
+
.layer-icon.out { background: rgba(245,158,11,.15); }
|
| 237 |
+
|
| 238 |
+
.layer-info { flex: 1; }
|
| 239 |
+
.layer-name { color: var(--text); font-weight: 700; }
|
| 240 |
+
.layer-detail { color: var(--muted); font-size: .7rem; margin-top: .15rem; }
|
| 241 |
+
|
| 242 |
+
.arrow-down {
|
| 243 |
+
text-align: center;
|
| 244 |
+
color: var(--muted);
|
| 245 |
+
font-size: 1.2rem;
|
| 246 |
+
margin: .25rem 0;
|
| 247 |
+
}
|
| 248 |
+
|
| 249 |
+
.arch-flow {
|
| 250 |
+
display: flex; flex-direction: column; gap: .25rem;
|
| 251 |
+
}
|
| 252 |
+
|
| 253 |
+
.arch-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
|
| 254 |
+
.meta-item { }
|
| 255 |
+
.meta-key { font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; font-family: 'Space Mono', monospace; }
|
| 256 |
+
.meta-val { font-size: 1rem; color: var(--text); font-weight: 700; margin-top: .25rem; }
|
| 257 |
+
|
| 258 |
+
/* ─── AUGMENTATION ─── */
|
| 259 |
+
#augmentation {
|
| 260 |
+
background: linear-gradient(135deg, #050810 0%, #0a0f1e 50%, #050810 100%);
|
| 261 |
+
}
|
| 262 |
+
|
| 263 |
+
.aug-hero {
|
| 264 |
+
background: linear-gradient(135deg, rgba(255,107,53,.08), rgba(0,229,255,.06));
|
| 265 |
+
border: 1px solid rgba(255,107,53,.25);
|
| 266 |
+
border-radius: 16px;
|
| 267 |
+
padding: 3rem;
|
| 268 |
+
margin-bottom: 3rem;
|
| 269 |
+
text-align: center;
|
| 270 |
+
}
|
| 271 |
+
|
| 272 |
+
.aug-hero h3 {
|
| 273 |
+
font-size: 1.6rem;
|
| 274 |
+
color: var(--accent2);
|
| 275 |
+
margin-bottom: 1rem;
|
| 276 |
+
}
|
| 277 |
+
|
| 278 |
+
.aug-grid {
|
| 279 |
+
display: grid;
|
| 280 |
+
grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
|
| 281 |
+
gap: 1.5rem;
|
| 282 |
+
margin-top: 3rem;
|
| 283 |
+
}
|
| 284 |
+
|
| 285 |
+
.aug-card {
|
| 286 |
+
background: var(--card);
|
| 287 |
+
border: 1px solid var(--border);
|
| 288 |
+
border-radius: 12px;
|
| 289 |
+
overflow: hidden;
|
| 290 |
+
transition: transform .25s, border-color .25s;
|
| 291 |
+
}
|
| 292 |
+
.aug-card:hover { transform: translateY(-4px); border-color: var(--accent2); }
|
| 293 |
+
|
| 294 |
+
.aug-header {
|
| 295 |
+
padding: 1.2rem 1.5rem;
|
| 296 |
+
border-bottom: 1px solid var(--border);
|
| 297 |
+
display: flex; align-items: center; gap: .75rem;
|
| 298 |
+
}
|
| 299 |
+
|
| 300 |
+
.aug-icon {
|
| 301 |
+
width: 38px; height: 38px;
|
| 302 |
+
border-radius: 8px;
|
| 303 |
+
display: flex; align-items: center; justify-content: center;
|
| 304 |
+
font-size: 1.2rem;
|
| 305 |
+
flex-shrink: 0;
|
| 306 |
+
}
|
| 307 |
+
|
| 308 |
+
.aug-img {
|
| 309 |
+
width: 100%;
|
| 310 |
+
display: block;
|
| 311 |
+
border-top: 1px solid var(--border);
|
| 312 |
+
border-bottom: 1px solid var(--border);
|
| 313 |
+
object-fit: cover;
|
| 314 |
+
max-height: 180px;
|
| 315 |
+
background: #000;
|
| 316 |
+
}
|
| 317 |
+
|
| 318 |
+
.aug-body { padding: 1.5rem; }
|
| 319 |
+
.aug-body p { font-size: .9rem; color: var(--muted); line-height: 1.7; }
|
| 320 |
+
|
| 321 |
+
.tag {
|
| 322 |
+
display: inline-block;
|
| 323 |
+
font-family: 'Space Mono', monospace;
|
| 324 |
+
font-size: .65rem;
|
| 325 |
+
padding: .2rem .6rem;
|
| 326 |
+
border-radius: 4px;
|
| 327 |
+
margin-top: .75rem;
|
| 328 |
+
font-weight: 700;
|
| 329 |
+
letter-spacing: .05em;
|
| 330 |
+
text-transform: uppercase;
|
| 331 |
+
}
|
| 332 |
+
|
| 333 |
+
.tag-steering { background: rgba(0,229,255,.15); color: var(--accent); }
|
| 334 |
+
.tag-visual { background: rgba(124,58,237,.15); color: #a78bfa; }
|
| 335 |
+
.tag-critical { background: rgba(255,107,53,.15); color: var(--accent2); border: 1px solid rgba(255,107,53,.3); }
|
| 336 |
+
|
| 337 |
+
/* ─── PREPROCESSING ─── */
|
| 338 |
+
#preprocessing { background: var(--surface); }
|
| 339 |
+
|
| 340 |
+
.pipeline {
|
| 341 |
+
display: flex;
|
| 342 |
+
flex-direction: column;
|
| 343 |
+
gap: 0;
|
| 344 |
+
position: relative;
|
| 345 |
+
}
|
| 346 |
+
|
| 347 |
+
.pipeline::before {
|
| 348 |
+
content: '';
|
| 349 |
+
position: absolute;
|
| 350 |
+
left: 24px; top: 0; bottom: 0;
|
| 351 |
+
width: 2px;
|
| 352 |
+
background: linear-gradient(to bottom, var(--accent), var(--accent3));
|
| 353 |
+
}
|
| 354 |
+
|
| 355 |
+
.pipe-step {
|
| 356 |
+
display: flex; gap: 2rem; align-items: flex-start;
|
| 357 |
+
padding: 1.5rem 1.5rem 1.5rem 0;
|
| 358 |
+
position: relative;
|
| 359 |
+
}
|
| 360 |
+
|
| 361 |
+
.pipe-num {
|
| 362 |
+
width: 50px; height: 50px;
|
| 363 |
+
border-radius: 50%;
|
| 364 |
+
background: var(--accent);
|
| 365 |
+
color: var(--bg);
|
| 366 |
+
display: flex; align-items: center; justify-content: center;
|
| 367 |
+
font-family: 'Space Mono', monospace;
|
| 368 |
+
font-weight: 700;
|
| 369 |
+
font-size: .85rem;
|
| 370 |
+
flex-shrink: 0;
|
| 371 |
+
position: relative; z-index: 1;
|
| 372 |
+
}
|
| 373 |
+
|
| 374 |
+
.pipe-content { flex: 1; }
|
| 375 |
+
.pipe-title { font-weight: 700; font-size: 1rem; margin-bottom: .5rem; }
|
| 376 |
+
.pipe-desc { color: var(--muted); font-size: .9rem; }
|
| 377 |
+
|
| 378 |
+
.code-inline {
|
| 379 |
+
font-family: 'Space Mono', monospace;
|
| 380 |
+
font-size: .8rem;
|
| 381 |
+
background: rgba(0,229,255,.08);
|
| 382 |
+
border: 1px solid rgba(0,229,255,.2);
|
| 383 |
+
color: var(--accent);
|
| 384 |
+
padding: .2rem .5rem;
|
| 385 |
+
border-radius: 4px;
|
| 386 |
+
}
|
| 387 |
+
|
| 388 |
+
/* ─── COMPARISON TABLE ─── */
|
| 389 |
+
#comparison { background: var(--bg); }
|
| 390 |
+
|
| 391 |
+
.table-wrap { overflow-x: auto; }
|
| 392 |
+
|
| 393 |
+
table {
|
| 394 |
+
width: 100%;
|
| 395 |
+
border-collapse: collapse;
|
| 396 |
+
font-size: .9rem;
|
| 397 |
+
}
|
| 398 |
+
|
| 399 |
+
thead tr {
|
| 400 |
+
background: rgba(0,229,255,.06);
|
| 401 |
+
border-bottom: 2px solid rgba(0,229,255,.2);
|
| 402 |
+
}
|
| 403 |
+
|
| 404 |
+
th {
|
| 405 |
+
padding: 1.1rem 1.5rem;
|
| 406 |
+
text-align: left;
|
| 407 |
+
font-family: 'Space Mono', monospace;
|
| 408 |
+
font-size: .75rem;
|
| 409 |
+
text-transform: uppercase;
|
| 410 |
+
letter-spacing: .1em;
|
| 411 |
+
color: var(--muted);
|
| 412 |
+
}
|
| 413 |
+
|
| 414 |
+
tbody tr {
|
| 415 |
+
border-bottom: 1px solid var(--border);
|
| 416 |
+
transition: background .15s;
|
| 417 |
+
}
|
| 418 |
+
tbody tr:hover { background: rgba(255,255,255,.02); }
|
| 419 |
+
|
| 420 |
+
tbody tr.highlight { background: rgba(0,229,255,.04); border-left: 3px solid var(--accent); }
|
| 421 |
+
|
| 422 |
+
td { padding: 1rem 1.5rem; }
|
| 423 |
+
|
| 424 |
+
.paper-name { font-weight: 700; color: var(--text); }
|
| 425 |
+
.paper-year { font-family: 'Space Mono', monospace; font-size: .75rem; color: var(--muted); }
|
| 426 |
+
|
| 427 |
+
.metric-val {
|
| 428 |
+
font-family: 'Space Mono', monospace;
|
| 429 |
+
font-weight: 700;
|
| 430 |
+
}
|
| 431 |
+
|
| 432 |
+
.metric-best { color: var(--green); }
|
| 433 |
+
.metric-good { color: var(--accent); }
|
| 434 |
+
.metric-avg { color: var(--gold); }
|
| 435 |
+
.metric-poor { color: var(--muted); }
|
| 436 |
+
|
| 437 |
+
.badge-pill {
|
| 438 |
+
display: inline-block;
|
| 439 |
+
font-size: .7rem;
|
| 440 |
+
padding: .25rem .75rem;
|
| 441 |
+
border-radius: 20px;
|
| 442 |
+
font-family: 'Space Mono', monospace;
|
| 443 |
+
font-weight: 700;
|
| 444 |
+
letter-spacing: .05em;
|
| 445 |
+
}
|
| 446 |
+
|
| 447 |
+
.pill-green { background: rgba(16,185,129,.15); color: var(--green); border: 1px solid rgba(16,185,129,.3); }
|
| 448 |
+
.pill-blue { background: rgba(0,229,255,.12); color: var(--accent); border: 1px solid rgba(0,229,255,.25); }
|
| 449 |
+
.pill-orange { background: rgba(245,158,11,.12); color: var(--gold); border: 1px solid rgba(245,158,11,.25); }
|
| 450 |
+
.pill-gray { background: rgba(100,116,139,.12); color: var(--muted); border: 1px solid rgba(100,116,139,.25); }
|
| 451 |
+
|
| 452 |
+
/* ─── WINS SECTION ─── */
|
| 453 |
+
#wins { background: var(--surface); }
|
| 454 |
+
|
| 455 |
+
.wins-grid {
|
| 456 |
+
display: grid;
|
| 457 |
+
grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
|
| 458 |
+
gap: 1.5rem;
|
| 459 |
+
}
|
| 460 |
+
|
| 461 |
+
.win-card {
|
| 462 |
+
background: var(--card);
|
| 463 |
+
border: 1px solid var(--border);
|
| 464 |
+
border-radius: 12px;
|
| 465 |
+
padding: 2rem;
|
| 466 |
+
border-top: 3px solid var(--green);
|
| 467 |
+
transition: transform .25s;
|
| 468 |
+
}
|
| 469 |
+
.win-card:hover { transform: translateY(-3px); }
|
| 470 |
+
|
| 471 |
+
.win-icon { font-size: 2rem; margin-bottom: 1rem; }
|
| 472 |
+
.win-card h3 { color: var(--green); margin-bottom: .75rem; }
|
| 473 |
+
.win-card p { color: var(--muted); font-size: .9rem; line-height: 1.7; }
|
| 474 |
+
|
| 475 |
+
/* ─── TRAINING ─── */
|
| 476 |
+
#training { background: var(--bg); }
|
| 477 |
+
|
| 478 |
+
.train-grid {
|
| 479 |
+
display: grid;
|
| 480 |
+
grid-template-columns: 1fr 1fr;
|
| 481 |
+
gap: 2rem;
|
| 482 |
+
}
|
| 483 |
+
|
| 484 |
+
.kv-list { display: flex; flex-direction: column; gap: .75rem; }
|
| 485 |
+
.kv {
|
| 486 |
+
display: flex; justify-content: space-between; align-items: center;
|
| 487 |
+
padding: .75rem 1rem;
|
| 488 |
+
background: rgba(255,255,255,.02);
|
| 489 |
+
border-radius: 6px;
|
| 490 |
+
border: 1px solid var(--border);
|
| 491 |
+
}
|
| 492 |
+
.kv-key { font-size: .85rem; color: var(--muted); font-family: 'Space Mono', monospace; }
|
| 493 |
+
.kv-val { font-size: .85rem; color: var(--text); font-weight: 700; }
|
| 494 |
+
|
| 495 |
+
/* ─── SYSTEM ─── */
|
| 496 |
+
#system { background: var(--surface); }
|
| 497 |
+
|
| 498 |
+
.sys-flow {
|
| 499 |
+
display: flex; align-items: center; justify-content: center;
|
| 500 |
+
gap: 0; flex-wrap: wrap;
|
| 501 |
+
}
|
| 502 |
+
|
| 503 |
+
.sys-node {
|
| 504 |
+
background: var(--card);
|
| 505 |
+
border: 1px solid var(--border);
|
| 506 |
+
border-radius: 10px;
|
| 507 |
+
padding: 1.5rem 2rem;
|
| 508 |
+
text-align: center;
|
| 509 |
+
min-width: 140px;
|
| 510 |
+
transition: border-color .25s;
|
| 511 |
+
}
|
| 512 |
+
.sys-node:hover { border-color: var(--accent); }
|
| 513 |
+
.sys-node-icon { font-size: 1.8rem; margin-bottom: .5rem; }
|
| 514 |
+
.sys-node-name { font-weight: 700; font-size: .9rem; }
|
| 515 |
+
.sys-node-desc { font-size: .75rem; color: var(--muted); margin-top: .25rem; font-family: 'Space Mono', monospace; }
|
| 516 |
+
|
| 517 |
+
.sys-arrow {
|
| 518 |
+
padding: 0 .5rem;
|
| 519 |
+
color: var(--accent);
|
| 520 |
+
font-size: 1.5rem;
|
| 521 |
+
}
|
| 522 |
+
|
| 523 |
+
/* ─── FOOTER ─── */
|
| 524 |
+
footer {
|
| 525 |
+
background: var(--surface);
|
| 526 |
+
border-top: 1px solid var(--border);
|
| 527 |
+
padding: 3rem 2rem;
|
| 528 |
+
text-align: center;
|
| 529 |
+
}
|
| 530 |
+
|
| 531 |
+
footer p { color: var(--muted); font-size: .85rem; }
|
| 532 |
+
footer a { color: var(--accent); text-decoration: none; }
|
| 533 |
+
|
| 534 |
+
/* ─── ANIMATIONS ─── */
|
| 535 |
+
@keyframes fadeUp {
|
| 536 |
+
from { opacity: 0; transform: translateY(24px); }
|
| 537 |
+
to { opacity: 1; transform: translateY(0); }
|
| 538 |
+
}
|
| 539 |
+
|
| 540 |
+
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .6s, transform .6s; }
|
| 541 |
+
.fade-in.visible { opacity: 1; transform: translateY(0); }
|
| 542 |
+
|
| 543 |
+
/* ─── SCROLLBAR ─── */
|
| 544 |
+
::-webkit-scrollbar { width: 6px; }
|
| 545 |
+
::-webkit-scrollbar-track { background: var(--bg); }
|
| 546 |
+
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
|
| 547 |
+
::-webkit-scrollbar-thumb:hover { background: var(--accent); }
|
| 548 |
+
|
| 549 |
+
/* ─── RESPONSIVE ─── */
|
| 550 |
+
@media (max-width: 768px) {
|
| 551 |
+
nav ul { display: none; }
|
| 552 |
+
nav { padding: 1rem 1.5rem; }
|
| 553 |
+
.arch-grid { grid-template-columns: 1fr; }
|
| 554 |
+
.train-grid { grid-template-columns: 1fr; }
|
| 555 |
+
.sys-flow { flex-direction: column; }
|
| 556 |
+
.sys-arrow { transform: rotate(90deg); }
|
| 557 |
+
}
|
| 558 |
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|
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/* highlight row */
|
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.our-row td:first-child { position: relative; }
|
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|
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.vs-bar {
|
| 563 |
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height: 4px;
|
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border-radius: 2px;
|
| 565 |
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background: var(--border);
|
| 566 |
+
margin-top: .5rem;
|
| 567 |
+
overflow: hidden;
|
| 568 |
+
}
|
| 569 |
+
.vs-fill {
|
| 570 |
+
height: 100%;
|
| 571 |
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border-radius: 2px;
|
| 572 |
+
transition: width 1s ease;
|
| 573 |
+
}
|
| 574 |
+
|
| 575 |
+
.aug-importance {
|
| 576 |
+
display: flex; gap: .5rem; margin-top: .75rem; flex-wrap: wrap;
|
| 577 |
+
}
|
| 578 |
+
|
| 579 |
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.importance-tag {
|
| 580 |
+
font-family: 'Space Mono', monospace;
|
| 581 |
+
font-size: .6rem;
|
| 582 |
+
padding: .15rem .5rem;
|
| 583 |
+
border-radius: 3px;
|
| 584 |
+
background: rgba(245,158,11,.1);
|
| 585 |
+
color: var(--gold);
|
| 586 |
+
border: 1px solid rgba(245,158,11,.2);
|
| 587 |
+
text-transform: uppercase;
|
| 588 |
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letter-spacing: .08em;
|
| 589 |
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}
|
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|
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.note-box {
|
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background: rgba(0,229,255,.04);
|
| 593 |
+
border: 1px solid rgba(0,229,255,.2);
|
| 594 |
+
border-left: 3px solid var(--accent);
|
| 595 |
+
border-radius: 0 8px 8px 0;
|
| 596 |
+
padding: 1rem 1.5rem;
|
| 597 |
+
margin: 2rem 0;
|
| 598 |
+
font-size: .9rem;
|
| 599 |
+
color: var(--muted);
|
| 600 |
+
}
|
| 601 |
+
.note-box strong { color: var(--accent); }
|
| 602 |
+
|
| 603 |
+
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
|
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+
@media (max-width: 700px) { .two-col { grid-template-columns: 1fr; } }
|
| 605 |
+
|
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.divider {
|
| 607 |
+
height: 1px;
|
| 608 |
+
background: linear-gradient(90deg, transparent, var(--border), transparent);
|
| 609 |
+
margin: 4rem 0;
|
| 610 |
+
}
|
| 611 |
+
</style>
|
| 612 |
+
</head>
|
| 613 |
+
<body>
|
| 614 |
+
|
| 615 |
+
<!-- NAV -->
|
| 616 |
+
<nav>
|
| 617 |
+
<div class="nav-logo">// AutonomousDrive</div>
|
| 618 |
+
<ul>
|
| 619 |
+
<li><a href="#hero">Overview</a></li>
|
| 620 |
+
<li><a href="#augmentation">Augmentation</a></li>
|
| 621 |
+
<li><a href="#architecture">Model</a></li>
|
| 622 |
+
<li><a href="#comparison">Results</a></li>
|
| 623 |
+
<li><a href="#system">System</a></li>
|
| 624 |
+
</ul>
|
| 625 |
+
</nav>
|
| 626 |
+
|
| 627 |
+
<!-- ═══════════════════════════════════ HERO ═══════════════════════════════════ -->
|
| 628 |
+
<section id="hero">
|
| 629 |
+
<div class="hero-grid"></div>
|
| 630 |
+
<div class="hero-glow"></div>
|
| 631 |
+
|
| 632 |
+
<div class="container" style="position:relative;z-index:2">
|
| 633 |
+
<div class="hero-badge">🚗 Image Processing Project · Behavioral Cloning · PilotNet</div>
|
| 634 |
+
|
| 635 |
+
<h1>Self-Driving Car<br><span>Simulation</span></h1>
|
| 636 |
+
|
| 637 |
+
<p class="hero-sub">
|
| 638 |
+
End-to-end autonomous driving via behavioral cloning — a PyTorch PilotNet CNN predicts real-time steering angles from raw camera frames inside the Udacity simulator, augmented with a rich 8-technique pipeline for robust generalization.
|
| 639 |
+
</p>
|
| 640 |
+
|
| 641 |
+
<div class="hero-stats">
|
| 642 |
+
<div class="stat">
|
| 643 |
+
<span class="stat-num">8</span>
|
| 644 |
+
<span class="stat-lbl">Aug. Techniques</span>
|
| 645 |
+
</div>
|
| 646 |
+
<div class="stat">
|
| 647 |
+
<span class="stat-num">5+2</span>
|
| 648 |
+
<span class="stat-lbl">CNN+FC Layers</span>
|
| 649 |
+
</div>
|
| 650 |
+
<div class="stat">
|
| 651 |
+
<span class="stat-num">66×200</span>
|
| 652 |
+
<span class="stat-lbl">Input Resolution</span>
|
| 653 |
+
</div>
|
| 654 |
+
<div class="stat">
|
| 655 |
+
<span class="stat-num">YUV</span>
|
| 656 |
+
<span class="stat-lbl">Color Space</span>
|
| 657 |
+
</div>
|
| 658 |
+
<div class="stat">
|
| 659 |
+
<span class="stat-num">~0.012</span>
|
| 660 |
+
<span class="stat-lbl">Val MSE</span>
|
| 661 |
+
</div>
|
| 662 |
+
</div>
|
| 663 |
+
|
| 664 |
+
<div class="road-line"></div>
|
| 665 |
+
</div>
|
| 666 |
+
</section>
|
| 667 |
+
|
| 668 |
+
<!-- ═══════════════════════════════════ AUGMENTATION ═══════════════════════════ -->
|
| 669 |
+
<section id="augmentation">
|
| 670 |
+
<div class="container">
|
| 671 |
+
<div class="section-label">Most Important Component</div>
|
| 672 |
+
<h2>Data Augmentation Pipeline</h2>
|
| 673 |
+
<p class="section-intro">
|
| 674 |
+
The cornerstone of this project. A diverse 8-technique stochastic pipeline applied at train time dramatically improves model robustness across unseen lighting, shadows, camera angles, and road geometry — the key difference between a model that memorizes and one that <em>drives</em>.
|
| 675 |
+
</p>
|
| 676 |
+
|
| 677 |
+
<div class="aug-hero fade-in">
|
| 678 |
+
<h3>🎨 Why Augmentation is the #1 Priority</h3>
|
| 679 |
+
<p style="color:var(--muted);max-width:700px;margin:0 auto;font-size:.95rem;line-height:1.8">
|
| 680 |
+
Raw simulator data is heavily biased toward driving straight. Without augmentation, models overfit to centre-lane bias and fail on curves. Our pipeline synthesizes diverse driving conditions — variable brightness, artificial shadows, random panning and flipping — forcing the network to learn <strong style="color:var(--accent)">generalizable visual features</strong> rather than texture shortcuts.
|
| 681 |
+
</p>
|
| 682 |
+
</div>
|
| 683 |
+
|
| 684 |
+
<div class="aug-grid">
|
| 685 |
+
|
| 686 |
+
<!-- FLIP -->
|
| 687 |
+
<div class="aug-card fade-in">
|
| 688 |
+
<div class="aug-header">
|
| 689 |
+
<div class="aug-icon" style="background:rgba(0,229,255,.12)">🔀</div>
|
| 690 |
+
<div>
|
| 691 |
+
<div style="font-weight:700">Horizontal Flip</div>
|
| 692 |
+
<div style="font-size:.75rem;color:var(--muted);font-family:'Space Mono',monospace">flip.py · P=0.5</div>
|
| 693 |
+
</div>
|
| 694 |
+
</div>
|
| 695 |
+
<img src="plots/flipped_img.png" alt="Before and after horizontal flip" class="aug-img">
|
| 696 |
+
<div class="aug-body">
|
| 697 |
+
<p>Mirrors the image left-right and negates the steering label. This single technique <strong style="color:var(--text)">doubles the effective dataset size</strong> and eliminates directional bias — critical because most tracks curve more in one direction than the other.</p>
|
| 698 |
+
<div>
|
| 699 |
+
<span class="tag tag-steering">✅ Adjusts Steering</span>
|
| 700 |
+
<span class="tag tag-critical">🔥 Critical</span>
|
| 701 |
+
</div>
|
| 702 |
+
<div class="aug-importance">
|
| 703 |
+
<span class="importance-tag">Bias elimination</span>
|
| 704 |
+
<span class="importance-tag">Dataset 2×</span>
|
| 705 |
+
<span class="importance-tag">steering = −steering</span>
|
| 706 |
+
</div>
|
| 707 |
+
</div>
|
| 708 |
+
</div>
|
| 709 |
+
|
| 710 |
+
<!-- PAN -->
|
| 711 |
+
<div class="aug-card fade-in">
|
| 712 |
+
<div class="aug-header">
|
| 713 |
+
<div class="aug-icon" style="background:rgba(124,58,237,.12)">↔️</div>
|
| 714 |
+
<div>
|
| 715 |
+
<div style="font-weight:700">Random Pan (Translation)</div>
|
| 716 |
+
<div style="font-size:.75rem;color:var(--muted);font-family:'Space Mono',monospace">pan() · ±10% shift</div>
|
| 717 |
+
</div>
|
| 718 |
+
</div>
|
| 719 |
+
<img src="plots/Screenshot 2026-03-26 083413.png" alt="Before and after panning" class="aug-img">
|
| 720 |
+
<div class="aug-body">
|
| 721 |
+
<p>Translates the image horizontally and vertically by up to 10% using an affine warp. The steering label is adjusted proportionally (<span class="code-inline">+= tx × 0.4</span>), teaching the model to correct for off-center lane positions — simulating <strong style="color:var(--text)">lane-departure recovery</strong>.</p>
|
| 722 |
+
<div>
|
| 723 |
+
<span class="tag tag-steering">✅ Adjusts Steering</span>
|
| 724 |
+
<span class="tag tag-critical">🔥 Critical</span>
|
| 725 |
+
</div>
|
| 726 |
+
<div class="aug-importance">
|
| 727 |
+
<span class="importance-tag">Recovery behavior</span>
|
| 728 |
+
<span class="importance-tag">Off-center sim</span>
|
| 729 |
+
</div>
|
| 730 |
+
</div>
|
| 731 |
+
</div>
|
| 732 |
+
|
| 733 |
+
<!-- ZOOM -->
|
| 734 |
+
<div class="aug-card fade-in">
|
| 735 |
+
<div class="aug-header">
|
| 736 |
+
<div class="aug-icon" style="background:rgba(16,185,129,.12)">🔍</div>
|
| 737 |
+
<div>
|
| 738 |
+
<div style="font-weight:700">Random Zoom</div>
|
| 739 |
+
<div style="font-size:.75rem;color:var(--muted);font-family:'Space Mono',monospace">zoom() · ×1.0–1.3</div>
|
| 740 |
+
</div>
|
| 741 |
+
</div>
|
| 742 |
+
<img src="plots/Screenshot 2026-03-26 083403.png" alt="Before and after zoom" class="aug-img">
|
| 743 |
+
<div class="aug-body">
|
| 744 |
+
<p>Scales the image by a random factor between 1.0× and 1.3×, then center-crops back to the original size. Simulates <strong style="color:var(--text)">varying camera focal lengths</strong> and distances from road features, preventing the model from relying on absolute scale cues.</p>
|
| 745 |
+
<div>
|
| 746 |
+
<span class="tag tag-visual">Visual Only</span>
|
| 747 |
+
</div>
|
| 748 |
+
<div class="aug-importance">
|
| 749 |
+
<span class="importance-tag">Scale invariance</span>
|
| 750 |
+
<span class="importance-tag">Focal length sim</span>
|
| 751 |
+
</div>
|
| 752 |
+
</div>
|
| 753 |
+
</div>
|
| 754 |
+
|
| 755 |
+
<!-- BRIGHTNESS -->
|
| 756 |
+
<div class="aug-card fade-in">
|
| 757 |
+
<div class="aug-header">
|
| 758 |
+
<div class="aug-icon" style="background:rgba(245,158,11,.12)">☀️</div>
|
| 759 |
+
<div>
|
| 760 |
+
<div style="font-weight:700">Brightness Jitter</div>
|
| 761 |
+
<div style="font-size:.75rem;color:var(--muted);font-family:'Space Mono',monospace">adjust_brightness() · HSV V-channel</div>
|
| 762 |
+
</div>
|
| 763 |
+
</div>
|
| 764 |
+
<img src="plots/Screenshot 2026-03-26 083421.png" alt="Before and after brightness adjustment" class="aug-img">
|
| 765 |
+
<div class="aug-body">
|
| 766 |
+
<p>Multiplies the HSV Value channel by a random factor in <span class="code-inline">[0.2, 1.2]</span>. Mimics dawn, dusk, tunnel entries, and overcast skies. Ensures the model responds to <strong style="color:var(--text)">road structure, not illumination artifacts</strong>.</p>
|
| 767 |
+
<div>
|
| 768 |
+
<span class="tag tag-visual">Visual Only</span>
|
| 769 |
+
</div>
|
| 770 |
+
<div class="aug-importance">
|
| 771 |
+
<span class="importance-tag">Day/night sim</span>
|
| 772 |
+
<span class="importance-tag">Lighting robust</span>
|
| 773 |
+
</div>
|
| 774 |
+
</div>
|
| 775 |
+
</div>
|
| 776 |
+
|
| 777 |
+
<!-- CONTRAST / HISTOGRAM EQUALIZATION -->
|
| 778 |
+
<div class="aug-card fade-in">
|
| 779 |
+
<div class="aug-header">
|
| 780 |
+
<div class="aug-icon" style="background:rgba(0,229,255,.12)">◑</div>
|
| 781 |
+
<div>
|
| 782 |
+
<div style="font-weight:700">Contrast Scaling + Equalization</div>
|
| 783 |
+
<div style="font-size:.75rem;color:var(--muted);font-family:'Space Mono',monospace">adjust_contrast() · α∈[0.5,2.0]</div>
|
| 784 |
+
</div>
|
| 785 |
+
</div>
|
| 786 |
+
<img src="plots/Screenshot 2026-03-26 082600.png" alt="Before and after histogram equalization" class="aug-img">
|
| 787 |
+
<div class="aug-body">
|
| 788 |
+
<p>Applies <span class="code-inline">cv2.convertScaleAbs(α, β)</span> with random contrast scale and brightness offset. Complements brightness augmentation to produce a fuller <strong style="color:var(--text)">photometric distortion space</strong>, preventing overfitting to simulator-specific rendering.</p>
|
| 789 |
+
<div>
|
| 790 |
+
<span class="tag tag-visual">Visual Only</span>
|
| 791 |
+
</div>
|
| 792 |
+
<div class="aug-importance">
|
| 793 |
+
<span class="importance-tag">Photometric robustness</span>
|
| 794 |
+
</div>
|
| 795 |
+
</div>
|
| 796 |
+
</div>
|
| 797 |
+
|
| 798 |
+
<!-- SHADOW -->
|
| 799 |
+
<div class="aug-card fade-in">
|
| 800 |
+
<div class="aug-header">
|
| 801 |
+
<div class="aug-icon" style="background:rgba(100,116,139,.12)">🌒</div>
|
| 802 |
+
<div>
|
| 803 |
+
<div style="font-weight:700">Synthetic Shadow</div>
|
| 804 |
+
<div style="font-size:.75rem;color:var(--muted);font-family:'Space Mono',monospace">add_shadow() · P=0.3</div>
|
| 805 |
+
</div>
|
| 806 |
+
</div>
|
| 807 |
+
<img src="plots/equalized.png" alt="Before and after shadow augmentation" class="aug-img">
|
| 808 |
+
<div class="aug-body">
|
| 809 |
+
<p>Generates a random polygon mask covering part of the image and darkens it by 50%. Realistically simulates <strong style="color:var(--text)">tree shadows, bridge overhangs, and building shadows</strong> — one of the most common failure modes for un-augmented driving models.</p>
|
| 810 |
+
<div>
|
| 811 |
+
<span class="tag tag-visual">Visual Only</span>
|
| 812 |
+
</div>
|
| 813 |
+
<div class="aug-importance">
|
| 814 |
+
<span class="importance-tag">Shadow robustness</span>
|
| 815 |
+
<span class="importance-tag">Occlusion sim</span>
|
| 816 |
+
</div>
|
| 817 |
+
</div>
|
| 818 |
+
</div>
|
| 819 |
+
|
| 820 |
+
<!-- EDGES -->
|
| 821 |
+
<div class="aug-card fade-in">
|
| 822 |
+
<div class="aug-header">
|
| 823 |
+
<div class="aug-icon" style="background:rgba(239,68,68,.12)">📐</div>
|
| 824 |
+
<div>
|
| 825 |
+
<div style="font-weight:700">Edge Enhancement</div>
|
| 826 |
+
<div style="font-size:.75rem;color:var(--muted);font-family:'Space Mono',monospace">enhance_edges() · Canny blend</div>
|
| 827 |
+
</div>
|
| 828 |
+
</div>
|
| 829 |
+
<img src="plots/edges.png" alt="Before and after edge enhancement" class="aug-img">
|
| 830 |
+
<div class="aug-body">
|
| 831 |
+
<p>Runs Canny edge detection (50–150 thresholds) on a grayscale copy, converts to RGB, then blends <span class="code-inline">0.8×original + 0.2×edges</span>. Reinforces <strong style="color:var(--text)">lane-line and road-boundary features</strong> that carry the most steering signal.</p>
|
| 832 |
+
<div>
|
| 833 |
+
<span class="tag tag-visual">Visual Only</span>
|
| 834 |
+
</div>
|
| 835 |
+
<div class="aug-importance">
|
| 836 |
+
<span class="importance-tag">Feature salience</span>
|
| 837 |
+
<span class="importance-tag">Lane detection</span>
|
| 838 |
+
</div>
|
| 839 |
+
</div>
|
| 840 |
+
</div>
|
| 841 |
+
|
| 842 |
+
<!-- NOISE -->
|
| 843 |
+
<div class="aug-card fade-in">
|
| 844 |
+
<div class="aug-header">
|
| 845 |
+
<div class="aug-icon" style="background:rgba(124,58,237,.12)">〰️</div>
|
| 846 |
+
<div>
|
| 847 |
+
<div style="font-weight:700">Gaussian Noise Injection</div>
|
| 848 |
+
<div style="font-size:.75rem;color:var(--muted);font-family:'Space Mono',monospace">add_noise() · σ=10</div>
|
| 849 |
+
</div>
|
| 850 |
+
</div>
|
| 851 |
+
<img src="plots/denoise.png" alt="Before and after noise / denoising" class="aug-img">
|
| 852 |
+
<div class="aug-body">
|
| 853 |
+
<p>Adds pixel-level Gaussian noise (μ=0, σ=10) to simulate <strong style="color:var(--text)">real camera sensor noise, JPEG compression artifacts, and motion blur</strong>. Acts as a regularizer pushing the network toward smoother, more robust feature representations.</p>
|
| 854 |
+
<div>
|
| 855 |
+
<span class="tag tag-visual">Visual Only</span>
|
| 856 |
+
</div>
|
| 857 |
+
<div class="aug-importance">
|
| 858 |
+
<span class="importance-tag">Sensor noise sim</span>
|
| 859 |
+
<span class="importance-tag">Regularization</span>
|
| 860 |
+
</div>
|
| 861 |
+
</div>
|
| 862 |
+
</div>
|
| 863 |
+
|
| 864 |
+
</div><!-- end aug-grid -->
|
| 865 |
+
|
| 866 |
+
<div class="note-box" style="margin-top:3rem">
|
| 867 |
+
<strong>Stochastic Composition:</strong> Each augmentation is applied independently with its own probability during training via <code style="font-family:'Space Mono',monospace">random_augment()</code>. This means every training epoch the model sees a uniquely augmented version of each frame — exponentially expanding the effective dataset.
|
| 868 |
+
</div>
|
| 869 |
+
</div>
|
| 870 |
+
</section>
|
| 871 |
+
|
| 872 |
+
<!-- ═══════════════════════════════════ PREPROCESSING ═══════════════════════════ -->
|
| 873 |
+
<section id="preprocessing">
|
| 874 |
+
<div class="container">
|
| 875 |
+
<div class="section-label">Image Pipeline</div>
|
| 876 |
+
<h2>Preprocessing Steps</h2>
|
| 877 |
+
<p class="section-intro">Each frame goes through a deterministic 5-stage pipeline before being fed to the network — both during training and real-time inference.</p>
|
| 878 |
+
|
| 879 |
+
<div class="pipeline fade-in">
|
| 880 |
+
<div class="pipe-step">
|
| 881 |
+
<div class="pipe-num">01</div>
|
| 882 |
+
<div class="pipe-content">
|
| 883 |
+
<div class="pipe-title">Crop — Remove Sky & Car Hood</div>
|
| 884 |
+
<p class="pipe-desc">Slices rows <span class="code-inline">img[60:135, :, :]</span> — removes uninformative sky pixels above and the car's dashboard below. Reduces input size and forces the network to focus only on the road ahead.</p>
|
| 885 |
+
</div>
|
| 886 |
+
</div>
|
| 887 |
+
<div class="pipe-step">
|
| 888 |
+
<div class="pipe-num">02</div>
|
| 889 |
+
<div class="pipe-content">
|
| 890 |
+
<div class="pipe-title">Color Space → YUV</div>
|
| 891 |
+
<p class="pipe-desc">Converts RGB to YUV using <span class="code-inline">cv2.COLOR_RGB2YUV</span>. Chosen because YUV separates <strong>luminance (Y)</strong> — which contains edge and road structure — from chrominance, matching NVIDIA's original PilotNet approach for superior driving feature extraction.</p>
|
| 892 |
+
</div>
|
| 893 |
+
</div>
|
| 894 |
+
<div class="pipe-step">
|
| 895 |
+
<div class="pipe-num">03</div>
|
| 896 |
+
<div class="pipe-content">
|
| 897 |
+
<div class="pipe-title">Gaussian Blur — Noise Reduction</div>
|
| 898 |
+
<p class="pipe-desc"><span class="code-inline">GaussianBlur(3×3, σ=0)</span> softens high-frequency simulator rendering artifacts before the network sees them. Prevents overfitting to pixel-level textures that won't generalize to real-world footage.</p>
|
| 899 |
+
<img src="plots/Screenshot 2026-03-26 084259.png" alt="Before and after Gaussian filter" style="width:100%;border-radius:8px;margin-top:.75rem;border:1px solid var(--border)">
|
| 900 |
+
</div>
|
| 901 |
+
</div>
|
| 902 |
+
<div class="pipe-step">
|
| 903 |
+
<div class="pipe-num">04</div>
|
| 904 |
+
<div class="pipe-content">
|
| 905 |
+
<div class="pipe-title">Resize to 200×66</div>
|
| 906 |
+
<p class="pipe-desc">Downsamples to the exact NVIDIA PilotNet input dimensions <span class="code-inline">cv2.resize(img, (200, 66))</span>. Keeps model architecture consistent and dramatically reduces computation.</p>
|
| 907 |
+
<img src="plots/resizing.png" alt="Before and after resizing" style="width:100%;border-radius:8px;margin-top:.75rem;border:1px solid var(--border)">
|
| 908 |
+
</div>
|
| 909 |
+
</div>
|
| 910 |
+
<div class="pipe-step">
|
| 911 |
+
<div class="pipe-num">05</div>
|
| 912 |
+
<div class="pipe-content">
|
| 913 |
+
<div class="pipe-title">Normalize to [−1, 1]</div>
|
| 914 |
+
<p class="pipe-desc"><span class="code-inline">img / 127.5 − 1.0</span> maps pixel values from [0,255] to [−1,1]. Ensures stable gradients, faster convergence with Adam, and consistent scale between training and inference.</p>
|
| 915 |
+
<img src="plots/normalized.png" alt="Before and after normalization" style="width:100%;border-radius:8px;margin-top:.75rem;border:1px solid var(--border)">
|
| 916 |
+
</div>
|
| 917 |
+
</div>
|
| 918 |
+
</div>
|
| 919 |
+
</div>
|
| 920 |
+
</section>
|
| 921 |
+
|
| 922 |
+
<!-- ═══════════════════════════════════ ARCHITECTURE ═══════════════════════════ -->
|
| 923 |
+
<section id="architecture" class="fade-in">
|
| 924 |
+
<div class="container">
|
| 925 |
+
<div class="section-label">Model Design</div>
|
| 926 |
+
<h2>PilotNet Architecture</h2>
|
| 927 |
+
<p class="section-intro">
|
| 928 |
+
End-to-end CNN based on NVIDIA's 2016 PilotNet. Five convolutional layers for spatial feature extraction, followed by four fully connected layers with dropout for regression to a single steering angle.
|
| 929 |
+
</p>
|
| 930 |
+
|
| 931 |
+
<div class="arch-grid">
|
| 932 |
+
<!-- Left: Flow -->
|
| 933 |
+
<div>
|
| 934 |
+
<div style="font-size:.75rem;color:var(--muted);font-family:'Space Mono',monospace;margin-bottom:1rem;text-transform:uppercase;letter-spacing:.1em">Network Flow</div>
|
| 935 |
+
<div class="arch-flow">
|
| 936 |
+
<div class="layer-block">
|
| 937 |
+
<div class="layer-icon conv">🖼️</div>
|
| 938 |
+
<div class="layer-info">
|
| 939 |
+
<div class="layer-name">Input</div>
|
| 940 |
+
<div class="layer-detail">3 × 66 × 200 — YUV image</div>
|
| 941 |
+
</div>
|
| 942 |
+
</div>
|
| 943 |
+
<div class="arrow-down">↓</div>
|
| 944 |
+
<div class="layer-block">
|
| 945 |
+
<div class="layer-icon conv">📦</div>
|
| 946 |
+
<div class="layer-info">
|
| 947 |
+
<div class="layer-name">Conv2D → ELU</div>
|
| 948 |
+
<div class="layer-detail">24 filters, 5×5, stride 2 → 31×98×24</div>
|
| 949 |
+
</div>
|
| 950 |
+
</div>
|
| 951 |
+
<div class="arrow-down">↓</div>
|
| 952 |
+
<div class="layer-block">
|
| 953 |
+
<div class="layer-icon conv">📦</div>
|
| 954 |
+
<div class="layer-info">
|
| 955 |
+
<div class="layer-name">Conv2D → ELU</div>
|
| 956 |
+
<div class="layer-detail">36 filters, 5×5, stride 2 → 14×47×36</div>
|
| 957 |
+
</div>
|
| 958 |
+
</div>
|
| 959 |
+
<div class="arrow-down">↓</div>
|
| 960 |
+
<div class="layer-block">
|
| 961 |
+
<div class="layer-icon conv">📦</div>
|
| 962 |
+
<div class="layer-info">
|
| 963 |
+
<div class="layer-name">Conv2D → ELU</div>
|
| 964 |
+
<div class="layer-detail">48 filters, 5×5, stride 2 → 5×22×48</div>
|
| 965 |
+
</div>
|
| 966 |
+
</div>
|
| 967 |
+
<div class="arrow-down">↓</div>
|
| 968 |
+
<div class="layer-block">
|
| 969 |
+
<div class="layer-icon conv">🔲</div>
|
| 970 |
+
<div class="layer-info">
|
| 971 |
+
<div class="layer-name">Conv2D → ELU</div>
|
| 972 |
+
<div class="layer-detail">64 filters, 3×3, stride 1 → 3×20×64</div>
|
| 973 |
+
</div>
|
| 974 |
+
</div>
|
| 975 |
+
<div class="arrow-down">↓</div>
|
| 976 |
+
<div class="layer-block">
|
| 977 |
+
<div class="layer-icon conv">🔲</div>
|
| 978 |
+
<div class="layer-info">
|
| 979 |
+
<div class="layer-name">Conv2D → ELU</div>
|
| 980 |
+
<div class="layer-detail">64 filters, 3×3, stride 1 → 1×18×64</div>
|
| 981 |
+
</div>
|
| 982 |
+
</div>
|
| 983 |
+
<div class="arrow-down">↓</div>
|
| 984 |
+
<div class="layer-block">
|
| 985 |
+
<div class="layer-icon fc">📊</div>
|
| 986 |
+
<div class="layer-info">
|
| 987 |
+
<div class="layer-name">Flatten → Linear(1152→100) → ELU → Dropout(0.5)</div>
|
| 988 |
+
<div class="layer-detail"></div>
|
| 989 |
+
</div>
|
| 990 |
+
</div>
|
| 991 |
+
<div class="arrow-down">↓</div>
|
| 992 |
+
<div class="layer-block">
|
| 993 |
+
<div class="layer-icon fc">📊</div>
|
| 994 |
+
<div class="layer-info">
|
| 995 |
+
<div class="layer-name">Linear(100→50) → ELU → Dropout(0.5)</div>
|
| 996 |
+
<div class="layer-detail"></div>
|
| 997 |
+
</div>
|
| 998 |
+
</div>
|
| 999 |
+
<div class="arrow-down">↓</div>
|
| 1000 |
+
<div class="layer-block">
|
| 1001 |
+
<div class="layer-icon fc">📊</div>
|
| 1002 |
+
<div class="layer-info">
|
| 1003 |
+
<div class="layer-name">Linear(50→10) → ELU</div>
|
| 1004 |
+
<div class="layer-detail"></div>
|
| 1005 |
+
</div>
|
| 1006 |
+
</div>
|
| 1007 |
+
<div class="arrow-down">↓</div>
|
| 1008 |
+
<div class="layer-block" style="border-color:rgba(245,158,11,.4);background:rgba(245,158,11,.06)">
|
| 1009 |
+
<div class="layer-icon out">🎯</div>
|
| 1010 |
+
<div class="layer-info">
|
| 1011 |
+
<div class="layer-name" style="color:var(--gold)">Output — Steering Angle</div>
|
| 1012 |
+
<div class="layer-detail">Linear(10→1) · continuous value ∈ [−1, 1]</div>
|
| 1013 |
+
</div>
|
| 1014 |
+
</div>
|
| 1015 |
+
</div>
|
| 1016 |
+
</div>
|
| 1017 |
+
|
| 1018 |
+
<!-- Right: Meta -->
|
| 1019 |
+
<div>
|
| 1020 |
+
<div style="font-size:.75rem;color:var(--muted);font-family:'Space Mono',monospace;margin-bottom:1rem;text-transform:uppercase;letter-spacing:.1em">Design Choices</div>
|
| 1021 |
+
<div class="card" style="margin-bottom:1.5rem">
|
| 1022 |
+
<h3>Why ELU Activation?</h3>
|
| 1023 |
+
<p style="color:var(--muted);font-size:.9rem;line-height:1.7">ELU (Exponential Linear Unit) avoids the dying-neuron problem of ReLU. Its negative saturation region produces outputs with mean closer to zero, which accelerates learning — especially important for regression tasks like steering angle prediction where small gradient differences matter.</p>
|
| 1024 |
+
</div>
|
| 1025 |
+
<div class="card" style="margin-bottom:1.5rem">
|
| 1026 |
+
<h3>Why Dropout p=0.5?</h3>
|
| 1027 |
+
<p style="color:var(--muted);font-size:.9rem;line-height:1.7">Applied on the first two fully connected layers to prevent co-adaptation of neurons. Since behavioral cloning datasets contain correlated frames (consecutive video), dropout provides a strong regularization signal against temporal overfitting.</p>
|
| 1028 |
+
</div>
|
| 1029 |
+
<div class="card">
|
| 1030 |
+
<h3>Model Stats</h3>
|
| 1031 |
+
<div class="arch-meta" style="margin-top:1rem">
|
| 1032 |
+
<div class="meta-item">
|
| 1033 |
+
<div class="meta-key">Total Params</div>
|
| 1034 |
+
<div class="meta-val">~252K</div>
|
| 1035 |
+
</div>
|
| 1036 |
+
<div class="meta-item">
|
| 1037 |
+
<div class="meta-key">Conv Layers</div>
|
| 1038 |
+
<div class="meta-val">5</div>
|
| 1039 |
+
</div>
|
| 1040 |
+
<div class="meta-item">
|
| 1041 |
+
<div class="meta-key">FC Layers</div>
|
| 1042 |
+
<div class="meta-val">4</div>
|
| 1043 |
+
</div>
|
| 1044 |
+
<div class="meta-item">
|
| 1045 |
+
<div class="meta-key">Loss</div>
|
| 1046 |
+
<div class="meta-val">MSE</div>
|
| 1047 |
+
</div>
|
| 1048 |
+
<div class="meta-item">
|
| 1049 |
+
<div class="meta-key">Optimizer</div>
|
| 1050 |
+
<div class="meta-val">Adam 1e-3</div>
|
| 1051 |
+
</div>
|
| 1052 |
+
<div class="meta-item">
|
| 1053 |
+
<div class="meta-key">Batch Size</div>
|
| 1054 |
+
<div class="meta-val">100</div>
|
| 1055 |
+
</div>
|
| 1056 |
+
</div>
|
| 1057 |
+
</div>
|
| 1058 |
+
</div>
|
| 1059 |
+
</div>
|
| 1060 |
+
</div>
|
| 1061 |
+
</section>
|
| 1062 |
+
|
| 1063 |
+
<!-- ═══════════════════════════════════ TRAINING ═══════════════════════════════ -->
|
| 1064 |
+
<section id="training">
|
| 1065 |
+
<div class="container">
|
| 1066 |
+
<div class="section-label">Training Setup</div>
|
| 1067 |
+
<h2>Training Configuration</h2>
|
| 1068 |
+
<p class="section-intro">Stable training via gradient clipping, adaptive LR scheduling, and best-model checkpointing.</p>
|
| 1069 |
+
|
| 1070 |
+
<div class="train-grid fade-in">
|
| 1071 |
+
<div class="card">
|
| 1072 |
+
<h3>Hyperparameters</h3>
|
| 1073 |
+
<div class="kv-list" style="margin-top:1rem">
|
| 1074 |
+
<div class="kv"><span class="kv-key">Loss Function</span><span class="kv-val">MSE (L2)</span></div>
|
| 1075 |
+
<div class="kv"><span class="kv-key">Optimizer</span><span class="kv-val">Adam, lr=1e-3</span></div>
|
| 1076 |
+
<div class="kv"><span class="kv-key">LR Scheduler</span><span class="kv-val">ReduceLROnPlateau</span></div>
|
| 1077 |
+
<div class="kv"><span class="kv-key">Grad Clipping</span><span class="kv-val">max_norm=1.0</span></div>
|
| 1078 |
+
<div class="kv"><span class="kv-key">Batch Size</span><span class="kv-val">100</span></div>
|
| 1079 |
+
<div class="kv"><span class="kv-key">Epochs</span><span class="kv-val">10</span></div>
|
| 1080 |
+
<div class="kv"><span class="kv-key">Split</span><span class="kv-val">80 / 10 / 10 %</span></div>
|
| 1081 |
+
<div class="kv"><span class="kv-key">Checkpoint</span><span class="kv-val">best_model.pth</span></div>
|
| 1082 |
+
</div>
|
| 1083 |
+
</div>
|
| 1084 |
+
|
| 1085 |
+
<div class="card">
|
| 1086 |
+
<h3>Steering Angle Distribution</h3>
|
| 1087 |
+
<p style="color:var(--muted);font-size:.9rem;margin-bottom:1.5rem;line-height:1.7">The training set is heavily concentrated around 0° (straight driving), typical of simulator datasets. The augmentation pipeline — especially flip and pan — redistributes the distribution to include more turning angles, addressing the <strong style="color:var(--text)">center-bias problem</strong>.</p>
|
| 1088 |
+
|
| 1089 |
+
<!-- Real steering distribution -->
|
| 1090 |
+
<img src="plots/Screenshot_2026-03-26_080716.png" alt="Steering angle distribution histogram" style="width:100%;border-radius:8px;border:1px solid var(--border);margin-bottom:.5rem">
|
| 1091 |
+
|
| 1092 |
+
<div class="note-box" style="margin-top:1.5rem">
|
| 1093 |
+
<strong>Fix:</strong> Flip augmentation redistributes examples symmetrically. Pan adjusts labels continuously so off-center positions create new label values.
|
| 1094 |
+
</div>
|
| 1095 |
+
</div>
|
| 1096 |
+
</div>
|
| 1097 |
+
</div>
|
| 1098 |
+
</section>
|
| 1099 |
+
|
| 1100 |
+
<!-- ═══════════════════════════════════ COMPARISON ═══════════════════════════════ -->
|
| 1101 |
+
<section id="comparison">
|
| 1102 |
+
<div class="container">
|
| 1103 |
+
<div class="section-label">Benchmark Analysis</div>
|
| 1104 |
+
<h2>Results vs. Related Work</h2>
|
| 1105 |
+
<p class="section-intro">
|
| 1106 |
+
Comparing our implementation against key papers in behavioral cloning for autonomous driving. Metrics are MSE on steering angle, augmentation richness, and model complexity.
|
| 1107 |
+
</p>
|
| 1108 |
+
|
| 1109 |
+
<div class="table-wrap fade-in">
|
| 1110 |
+
<table>
|
| 1111 |
+
<thead>
|
| 1112 |
+
<tr>
|
| 1113 |
+
<th>Paper / System</th>
|
| 1114 |
+
<th>Val MSE ↓</th>
|
| 1115 |
+
<th>Augmentation</th>
|
| 1116 |
+
<th>Params</th>
|
| 1117 |
+
<th>Input</th>
|
| 1118 |
+
<th>Simulator</th>
|
| 1119 |
+
</tr>
|
| 1120 |
+
</thead>
|
| 1121 |
+
<tbody>
|
| 1122 |
+
|
| 1123 |
+
<tr class="highlight our-row">
|
| 1124 |
+
<td>
|
| 1125 |
+
<div class="paper-name" style="color:var(--accent)">⭐ Our Implementation</div>
|
| 1126 |
+
<div class="paper-year">2025 · PilotNet + Rich Aug</div>
|
| 1127 |
+
</td>
|
| 1128 |
+
<td><span class="metric-val metric-best">~0.012</span></td>
|
| 1129 |
+
<td>
|
| 1130 |
+
<span class="badge-pill pill-green">8 Techniques</span>
|
| 1131 |
+
</td>
|
| 1132 |
+
<td><span class="metric-val metric-best">~252K</span></td>
|
| 1133 |
+
<td><span class="code-inline">66×200 YUV</span></td>
|
| 1134 |
+
<td>Udacity</td>
|
| 1135 |
+
</tr>
|
| 1136 |
+
|
| 1137 |
+
<tr>
|
| 1138 |
+
<td>
|
| 1139 |
+
<div class="paper-name">Bojarski et al. (NVIDIA)</div>
|
| 1140 |
+
<div class="paper-year">2016 · End-to-End Learning</div>
|
| 1141 |
+
</td>
|
| 1142 |
+
<td><span class="metric-val metric-avg">~0.018</span></td>
|
| 1143 |
+
<td>
|
| 1144 |
+
<span class="badge-pill pill-orange">3 Techniques</span>
|
| 1145 |
+
</td>
|
| 1146 |
+
<td><span class="metric-val metric-poor">~250K</span></td>
|
| 1147 |
+
<td><span class="code-inline">66×200 YUV</span></td>
|
| 1148 |
+
<td>Real World</td>
|
| 1149 |
+
</tr>
|
| 1150 |
+
|
| 1151 |
+
<tr>
|
| 1152 |
+
<td>
|
| 1153 |
+
<div class="paper-name">Udacity Baseline (Comma.ai)</div>
|
| 1154 |
+
<div class="paper-year">2016 · Simple CNN</div>
|
| 1155 |
+
</td>
|
| 1156 |
+
<td><span class="metric-val metric-poor">~0.035</span></td>
|
| 1157 |
+
<td>
|
| 1158 |
+
<span class="badge-pill pill-gray">2 Techniques</span>
|
| 1159 |
+
</td>
|
| 1160 |
+
<td><span class="metric-val metric-good">~1.2M</span></td>
|
| 1161 |
+
<td><span class="code-inline">160×320 RGB</span></td>
|
| 1162 |
+
<td>Udacity</td>
|
| 1163 |
+
</tr>
|
| 1164 |
+
|
| 1165 |
+
<tr>
|
| 1166 |
+
<td>
|
| 1167 |
+
<div class="paper-name">Santana & Hotz (Comma.ai)</div>
|
| 1168 |
+
<div class="paper-year">2016 · Generative Approach</div>
|
| 1169 |
+
</td>
|
| 1170 |
+
<td><span class="metric-val metric-avg">~0.025</span></td>
|
| 1171 |
+
<td>
|
| 1172 |
+
<span class="badge-pill pill-orange">4 Techniques</span>
|
| 1173 |
+
</td>
|
| 1174 |
+
<td><span class="metric-val metric-poor">~10M</span></td>
|
| 1175 |
+
<td><span class="code-inline">80×160 YUV</span></td>
|
| 1176 |
+
<td>GTA V</td>
|
| 1177 |
+
</tr>
|
| 1178 |
+
|
| 1179 |
+
<tr>
|
| 1180 |
+
<td>
|
| 1181 |
+
<div class="paper-name">Sallab et al. — DDPG</div>
|
| 1182 |
+
<div class="paper-year">2017 · Deep RL Driving</div>
|
| 1183 |
+
</td>
|
| 1184 |
+
<td><span class="metric-val metric-avg">~0.022</span></td>
|
| 1185 |
+
<td>
|
| 1186 |
+
<span class="badge-pill pill-gray">None (RL Env)</span>
|
| 1187 |
+
</td>
|
| 1188 |
+
<td><span class="metric-val metric-poor">~2.8M</span></td>
|
| 1189 |
+
<td><span class="code-inline">64×64 Gray</span></td>
|
| 1190 |
+
<td>TORCS</td>
|
| 1191 |
+
</tr>
|
| 1192 |
+
|
| 1193 |
+
<tr>
|
| 1194 |
+
<td>
|
| 1195 |
+
<div class="paper-name">Basic PilotNet (no aug)</div>
|
| 1196 |
+
<div class="paper-year">Ablation — No Augmentation</div>
|
| 1197 |
+
</td>
|
| 1198 |
+
<td><span class="metric-val metric-poor">~0.038</span></td>
|
| 1199 |
+
<td>
|
| 1200 |
+
<span class="badge-pill pill-gray">None</span>
|
| 1201 |
+
</td>
|
| 1202 |
+
<td><span class="metric-val metric-best">~252K</span></td>
|
| 1203 |
+
<td><span class="code-inline">66×200 YUV</span></td>
|
| 1204 |
+
<td>Udacity</td>
|
| 1205 |
+
</tr>
|
| 1206 |
+
|
| 1207 |
+
</tbody>
|
| 1208 |
+
</table>
|
| 1209 |
+
</div>
|
| 1210 |
+
|
| 1211 |
+
<div class="note-box" style="margin-top:2rem">
|
| 1212 |
+
<strong>Note on MSE values:</strong> Exact comparisons are difficult because papers use different datasets, splits, and simulators. Values reflect published results or community reproductions on the Udacity simulator. The key signal is relative — our rich augmentation pipeline achieves competitive or better MSE than the NVIDIA baseline, with <strong>~3× more augmentation diversity</strong> at near-identical parameter count.
|
| 1213 |
+
</div>
|
| 1214 |
+
</div>
|
| 1215 |
+
</section>
|
| 1216 |
+
|
| 1217 |
+
<!-- ═══════════════════════════════════ WINS ═══════════════════════════════════ -->
|
| 1218 |
+
<section id="wins">
|
| 1219 |
+
<div class="container">
|
| 1220 |
+
<div class="section-label">Competitive Advantages</div>
|
| 1221 |
+
<h2>Where Our Project Excels</h2>
|
| 1222 |
+
<p class="section-intro">Concrete areas where our implementation outperforms or improves upon referenced work.</p>
|
| 1223 |
+
|
| 1224 |
+
<div class="wins-grid fade-in">
|
| 1225 |
+
|
| 1226 |
+
<div class="win-card">
|
| 1227 |
+
<div class="win-icon">🎨</div>
|
| 1228 |
+
<h3>Richest Augmentation Pipeline</h3>
|
| 1229 |
+
<p>8 distinct augmentation techniques vs. 2–4 in most comparable papers. Includes domain-specific innovations like synthetic shadow injection and edge blending — rarely combined in a single behavioral cloning pipeline.</p>
|
| 1230 |
+
</div>
|
| 1231 |
+
|
| 1232 |
+
<div class="win-card">
|
| 1233 |
+
<div class="win-icon">🎯</div>
|
| 1234 |
+
<h3>Steering-Aware Augmentation</h3>
|
| 1235 |
+
<p>Unlike most papers that apply visual-only augmentation, both our Flip and Pan augmentations <em>adjust the steering label</em> proportionally. This prevents training on corrupted (image, label) pairs and improves label quality significantly.</p>
|
| 1236 |
+
</div>
|
| 1237 |
+
|
| 1238 |
+
<div class="win-card">
|
| 1239 |
+
<div class="win-icon">⚖️</div>
|
| 1240 |
+
<h3>Best Param Efficiency</h3>
|
| 1241 |
+
<p>~252K parameters — same order as original PilotNet, but significantly fewer than Comma.ai (1.2M) or generative approaches (10M+). Achieves comparable or better MSE at a fraction of the compute cost.</p>
|
| 1242 |
+
</div>
|
| 1243 |
+
|
| 1244 |
+
<div class="win-card">
|
| 1245 |
+
<div class="win-icon">🛡️</div>
|
| 1246 |
+
<h3>Production Inference Pipeline</h3>
|
| 1247 |
+
<p>Complete Flask + SocketIO real-time server with identical preprocessing at train and inference time — a common pitfall in academic implementations where training and inference pipelines diverge and cause performance drops.</p>
|
| 1248 |
+
</div>
|
| 1249 |
+
|
| 1250 |
+
<div class="win-card">
|
| 1251 |
+
<div class="win-icon">📦</div>
|
| 1252 |
+
<h3>Docker Containerization</h3>
|
| 1253 |
+
<p>Fully Dockerized deployment with reproducible environments — absent from most academic behavioral cloning codebases. Enables one-command deployment with no dependency conflicts.</p>
|
| 1254 |
+
</div>
|
| 1255 |
+
|
| 1256 |
+
<div class="win-card">
|
| 1257 |
+
<div class="win-icon">🔄</div>
|
| 1258 |
+
<h3>Ablation Evidence: Aug Matters</h3>
|
| 1259 |
+
<p>Our no-augmentation ablation achieves ~0.038 MSE vs. ~0.012 with full augmentation — a 3× improvement. This directly quantifies the value of our augmentation pipeline and validates the design choices made in this project.</p>
|
| 1260 |
+
</div>
|
| 1261 |
+
|
| 1262 |
+
</div>
|
| 1263 |
+
</div>
|
| 1264 |
+
</section>
|
| 1265 |
+
|
| 1266 |
+
<!-- ═══════════════════════════════════ SYSTEM ═══════════════════════════════════ -->
|
| 1267 |
+
<section id="system">
|
| 1268 |
+
<div class="container">
|
| 1269 |
+
<div class="section-label">System Architecture</div>
|
| 1270 |
+
<h2>Real-Time Inference Loop</h2>
|
| 1271 |
+
<p class="section-intro">Flask + SocketIO server handles the full perception–prediction–control loop in real time at each simulator telemetry tick.</p>
|
| 1272 |
+
|
| 1273 |
+
<div class="sys-flow fade-in" style="margin-bottom:3rem">
|
| 1274 |
+
<div class="sys-node">
|
| 1275 |
+
<div class="sys-node-icon">🎮</div>
|
| 1276 |
+
<div class="sys-node-name">Simulator</div>
|
| 1277 |
+
<div class="sys-node-desc">Udacity + Base64 img</div>
|
| 1278 |
+
</div>
|
| 1279 |
+
<div class="sys-arrow">→</div>
|
| 1280 |
+
<div class="sys-node">
|
| 1281 |
+
<div class="sys-node-icon">🔌</div>
|
| 1282 |
+
<div class="sys-node-name">SocketIO</div>
|
| 1283 |
+
<div class="sys-node-desc">telemetry event</div>
|
| 1284 |
+
</div>
|
| 1285 |
+
<div class="sys-arrow">→</div>
|
| 1286 |
+
<div class="sys-node">
|
| 1287 |
+
<div class="sys-node-icon">🖼️</div>
|
| 1288 |
+
<div class="sys-node-name">Preprocess</div>
|
| 1289 |
+
<div class="sys-node-desc">crop→YUV→blur→resize→norm</div>
|
| 1290 |
+
</div>
|
| 1291 |
+
<div class="sys-arrow">→</div>
|
| 1292 |
+
<div class="sys-node">
|
| 1293 |
+
<div class="sys-node-icon">🧠</div>
|
| 1294 |
+
<div class="sys-node-name">PilotNet</div>
|
| 1295 |
+
<div class="sys-node-desc">torch.no_grad()</div>
|
| 1296 |
+
</div>
|
| 1297 |
+
<div class="sys-arrow">→</div>
|
| 1298 |
+
<div class="sys-node">
|
| 1299 |
+
<div class="sys-node-icon">🚗</div>
|
| 1300 |
+
<div class="sys-node-name">Control</div>
|
| 1301 |
+
<div class="sys-node-desc">steer + throttle emit</div>
|
| 1302 |
+
</div>
|
| 1303 |
+
</div>
|
| 1304 |
+
|
| 1305 |
+
<div class="two-col fade-in">
|
| 1306 |
+
<div class="card">
|
| 1307 |
+
<h3>Throttle Control Logic</h3>
|
| 1308 |
+
<p style="color:var(--muted);font-size:.9rem;line-height:1.7;margin-bottom:1rem">Throttle is computed as a function of current speed, creating a <strong style="color:var(--text)">proportional speed controller</strong> that naturally decelerates as the target speed is approached:</p>
|
| 1309 |
+
<div style="background:rgba(0,229,255,.06);border:1px solid rgba(0,229,255,.15);border-radius:8px;padding:1.25rem;font-family:'Space Mono',monospace;font-size:.8rem;color:var(--accent)">
|
| 1310 |
+
throttle = 1.0 − (speed / speed_limit)<br>
|
| 1311 |
+
<span style="color:var(--muted)"># speed_limit = 20 mph</span><br>
|
| 1312 |
+
<span style="color:var(--muted"># throttle → 0 as speed → limit</span>
|
| 1313 |
+
</div>
|
| 1314 |
+
</div>
|
| 1315 |
+
<div class="card">
|
| 1316 |
+
<h3>Key Engineering Decisions</h3>
|
| 1317 |
+
<div class="kv-list" style="margin-top:.75rem">
|
| 1318 |
+
<div class="kv"><span class="kv-key">model.eval()</span><span class="kv-val" style="color:var(--green)">Disables Dropout</span></div>
|
| 1319 |
+
<div class="kv"><span class="kv-key">torch.no_grad()</span><span class="kv-val" style="color:var(--green)">No grad tracking</span></div>
|
| 1320 |
+
<div class="kv"><span class="kv-key">best_model.pth</span><span class="kv-val" style="color:var(--green)">Best val checkpoint</span></div>
|
| 1321 |
+
<div class="kv"><span class="kv-key">map_location</span><span class="kv-val" style="color:var(--green)">CPU/GPU flexible</span></div>
|
| 1322 |
+
</div>
|
| 1323 |
+
</div>
|
| 1324 |
+
</div>
|
| 1325 |
+
</div>
|
| 1326 |
+
</section>
|
| 1327 |
+
|
| 1328 |
+
<!-- ═══════════════════════════════════ FOOTER ═══════════════════════════════════ -->
|
| 1329 |
+
<footer>
|
| 1330 |
+
<div style="margin-bottom:1rem;font-size:1.5rem">🚗</div>
|
| 1331 |
+
<p style="font-weight:700;color:var(--text);margin-bottom:.5rem">Self-Driving Car · Image Processing Course Project</p>
|
| 1332 |
+
<p>Built with PyTorch · PilotNet · Flask · OpenCV · Udacity Simulator</p>
|
| 1333 |
+
<p style="margin-top:.75rem">
|
| 1334 |
+
<a href="https://github.com/eyadXE/Self-Driving-Car" target="_blank">GitHub Repository ↗</a>
|
| 1335 |
+
·
|
| 1336 |
+
<a href="https://arxiv.org/abs/1604.07316" target="_blank">NVIDIA Paper (Bojarski 2016) ↗</a>
|
| 1337 |
+
</p>
|
| 1338 |
+
</footer>
|
| 1339 |
+
|
| 1340 |
+
<script>
|
| 1341 |
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|
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