"""
FaceDet Models — SCRFD-family face detection architectures.

Flagship:  SCRFD-34GF  (96.1/95.0/85.2 Easy/Med/Hard @ 80 FPS VGA on V100)
Real-time: SCRFD-2.5GF (93.8/92.2/77.9 Easy/Med/Hard @ 400 FPS VGA on V100)
Mobile:    SCRFD-0.5GF (90.6/88.1/68.5 Easy/Med/Hard @ 1000 FPS VGA on V100)

Based on: "Sample and Computation Redistribution for Efficient Face Detection"
          (Guo et al., 2021, arxiv:2105.04714)
"""

from .backbone import SCRFDBackbone, build_backbone
from .neck import PAFPN, build_neck
from .head import SCRFDHead, build_head
from .detector import SCRFD, build_detector
from .anchor import AnchorGenerator, ATSSAssigner
from .losses import GFocalLoss, DIoULoss

__all__ = [
    'SCRFDBackbone', 'build_backbone',
    'PAFPN', 'build_neck',
    'SCRFDHead', 'build_head',
    'SCRFD', 'build_detector',
    'AnchorGenerator', 'ATSSAssigner',
    'GFocalLoss', 'DIoULoss',
]