hc99's picture
Add files using upload-large-folder tool
09a3fa9 verified
raw
history blame
14.8 kB
import logging as log
import numpy as np
from unittest import TestCase
from datumaro.components.project import Dataset
from datumaro.components.extractor import (Extractor, DatasetItem,
Mask, Polygon, PolyLine, Points, Bbox, Label,
LabelCategories, MaskCategories, AnnotationType
)
import datumaro.util.mask_tools as mask_tools
import datumaro.plugins.transforms as transforms
from datumaro.util.test_utils import compare_datasets
class TransformsTest(TestCase):
def test_reindex(self):
source = Dataset.from_iterable([
DatasetItem(id=10),
DatasetItem(id=10, subset='train'),
DatasetItem(id='a', subset='val'),
])
expected = Dataset.from_iterable([
DatasetItem(id=5),
DatasetItem(id=6, subset='train'),
DatasetItem(id=7, subset='val'),
])
actual = transforms.Reindex(source, start=5)
compare_datasets(self, expected, actual)
def test_mask_to_polygons(self):
source = Dataset.from_iterable([
DatasetItem(id=1, image=np.zeros((5, 10, 3)), annotations=[
Mask(np.array([
[0, 1, 1, 1, 0, 1, 1, 1, 1, 0],
[0, 0, 1, 1, 0, 1, 1, 1, 0, 0],
[0, 0, 0, 1, 0, 1, 1, 0, 0, 0],
[0, 0, 0, 0, 0, 1, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
]),
),
]),
])
expected = Dataset.from_iterable([
DatasetItem(id=1, image=np.zeros((5, 10, 3)), annotations=[
Polygon([3.0, 2.5, 1.0, 0.0, 3.5, 0.0, 3.0, 2.5]),
Polygon([5.0, 3.5, 4.5, 0.0, 8.0, 0.0, 5.0, 3.5]),
]),
])
actual = transforms.MasksToPolygons(source)
compare_datasets(self, expected, actual)
def test_mask_to_polygons_small_polygons_message(self):
source_dataset = Dataset.from_iterable([
DatasetItem(id=1, image=np.zeros((5, 10, 3)), annotations=[
Mask(np.array([
[0, 0, 0],
[0, 1, 0],
[0, 0, 0],
]),
),
]),
])
target_dataset = Dataset.from_iterable([
DatasetItem(id=1, image=np.zeros((5, 10, 3))), ])
with self.assertLogs(level=log.DEBUG) as logs:
actual = transforms.MasksToPolygons(source_dataset)
compare_datasets(self, target_dataset, actual)
self.assertRegex('\n'.join(logs.output), 'too small polygons')
def test_polygons_to_masks(self):
source_dataset = Dataset.from_iterable([
DatasetItem(id=1, image=np.zeros((5, 10, 3)), annotations=[
Polygon([0, 0, 4, 0, 4, 4]),
Polygon([5, 0, 9, 0, 5, 5]),
]),
])
target_dataset = Dataset.from_iterable([
DatasetItem(id=1, image=np.zeros((5, 10, 3)), annotations=[
Mask(np.array([
[0, 0, 0, 0, 0, 1, 1, 1, 1, 0],
[0, 0, 0, 0, 0, 1, 1, 1, 0, 0],
[0, 0, 0, 0, 0, 1, 1, 0, 0, 0],
[0, 0, 0, 0, 0, 1, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
]),
),
Mask(np.array([
[0, 1, 1, 1, 0, 0, 0, 0, 0, 0],
[0, 0, 1, 1, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 1, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
]),
),
]),
])
actual = transforms.PolygonsToMasks(source_dataset)
compare_datasets(self, target_dataset, actual)
def test_crop_covered_segments(self):
source_dataset = Dataset.from_iterable([
DatasetItem(id=1, image=np.zeros((5, 5, 3)), annotations=[
# The mask is partially covered by the polygon
Mask(np.array([
[0, 0, 1, 1, 1],
[0, 0, 1, 1, 1],
[1, 1, 1, 1, 1],
[1, 1, 1, 0, 0],
[1, 1, 1, 0, 0]],
), z_order=0),
Polygon([1, 1, 4, 1, 4, 4, 1, 4], z_order=1),
]),
])
target_dataset = Dataset.from_iterable([
DatasetItem(id=1, image=np.zeros((5, 5, 3)), annotations=[
Mask(np.array([
[0, 0, 1, 1, 1],
[0, 0, 0, 0, 1],
[1, 0, 0, 0, 1],
[1, 0, 0, 0, 0],
[1, 1, 1, 0, 0]],
), z_order=0),
Polygon([1, 1, 4, 1, 4, 4, 1, 4], z_order=1),
]),
])
actual = transforms.CropCoveredSegments(source_dataset)
compare_datasets(self, target_dataset, actual)
def test_merge_instance_segments(self):
source_dataset = Dataset.from_iterable([
DatasetItem(id=1, image=np.zeros((5, 5, 3)),
annotations=[
Mask(np.array([
[0, 0, 1, 1, 1],
[0, 0, 0, 0, 1],
[1, 0, 0, 0, 1],
[1, 0, 0, 0, 0],
[1, 1, 1, 0, 0]],
),
z_order=0, group=1),
Polygon([1, 1, 4, 1, 4, 4, 1, 4],
z_order=1, group=1),
Polygon([0, 0, 0, 2, 2, 2, 2, 0],
z_order=1),
]
),
])
target_dataset = Dataset.from_iterable([
DatasetItem(id=1, image=np.zeros((5, 5, 3)),
annotations=[
Mask(np.array([
[0, 0, 1, 1, 1],
[0, 1, 1, 1, 1],
[1, 1, 1, 1, 1],
[1, 1, 1, 1, 0],
[1, 1, 1, 0, 0]],
),
z_order=0, group=1),
Mask(np.array([
[1, 1, 0, 0, 0],
[1, 1, 0, 0, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0]],
),
z_order=1),
]
),
])
actual = transforms.MergeInstanceSegments(source_dataset,
include_polygons=True)
compare_datasets(self, target_dataset, actual)
def test_map_subsets(self):
source_dataset = Dataset.from_iterable([
DatasetItem(id=1, subset='a'),
DatasetItem(id=2, subset='b'),
DatasetItem(id=3, subset='c'),
])
target_dataset = Dataset.from_iterable([
DatasetItem(id=1, subset=''),
DatasetItem(id=2, subset='a'),
DatasetItem(id=3, subset='c'),
])
actual = transforms.MapSubsets(source_dataset,
{ 'a': '', 'b': 'a' })
compare_datasets(self, target_dataset, actual)
def test_shapes_to_boxes(self):
source_dataset = Dataset.from_iterable([
DatasetItem(id=1, image=np.zeros((5, 5, 3)),
annotations=[
Mask(np.array([
[0, 0, 1, 1, 1],
[0, 0, 0, 0, 1],
[1, 0, 0, 0, 1],
[1, 0, 0, 0, 0],
[1, 1, 1, 0, 0]],
), id=1),
Polygon([1, 1, 4, 1, 4, 4, 1, 4], id=2),
PolyLine([1, 1, 2, 1, 2, 2, 1, 2], id=3),
Points([2, 2, 4, 2, 4, 4, 2, 4], id=4),
]
),
])
target_dataset = Dataset.from_iterable([
DatasetItem(id=1, image=np.zeros((5, 5, 3)),
annotations=[
Bbox(0, 0, 4, 4, id=1),
Bbox(1, 1, 3, 3, id=2),
Bbox(1, 1, 1, 1, id=3),
Bbox(2, 2, 2, 2, id=4),
]
),
])
actual = transforms.ShapesToBoxes(source_dataset)
compare_datasets(self, target_dataset, actual)
def test_id_from_image(self):
source_dataset = Dataset.from_iterable([
DatasetItem(id=1, image='path.jpg'),
DatasetItem(id=2),
])
target_dataset = Dataset.from_iterable([
DatasetItem(id='path', image='path.jpg'),
DatasetItem(id=2),
])
actual = transforms.IdFromImageName(source_dataset)
compare_datasets(self, target_dataset, actual)
def test_boxes_to_masks(self):
source_dataset = Dataset.from_iterable([
DatasetItem(id=1, image=np.zeros((5, 5, 3)),
annotations=[
Bbox(0, 0, 3, 3, z_order=1),
Bbox(0, 0, 3, 1, z_order=2),
Bbox(0, 2, 3, 1, z_order=3),
]
),
])
target_dataset = Dataset.from_iterable([
DatasetItem(id=1, image=np.zeros((5, 5, 3)),
annotations=[
Mask(np.array([
[1, 1, 1, 0, 0],
[1, 1, 1, 0, 0],
[1, 1, 1, 0, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0]],
),
z_order=1),
Mask(np.array([
[1, 1, 1, 0, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0]],
),
z_order=2),
Mask(np.array([
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0],
[1, 1, 1, 0, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0]],
),
z_order=3),
]
),
])
actual = transforms.BoxesToMasks(source_dataset)
compare_datasets(self, target_dataset, actual)
def test_random_split(self):
source_dataset = Dataset.from_iterable([
DatasetItem(id=1, subset="a"),
DatasetItem(id=2, subset="a"),
DatasetItem(id=3, subset="b"),
DatasetItem(id=4, subset="b"),
DatasetItem(id=5, subset="b"),
DatasetItem(id=6, subset=""),
DatasetItem(id=7, subset=""),
])
actual = transforms.RandomSplit(source_dataset, splits=[
('train', 4.0 / 7.0),
('test', 3.0 / 7.0),
])
self.assertEqual(4, len(actual.get_subset('train')))
self.assertEqual(3, len(actual.get_subset('test')))
def test_random_split_gives_error_on_wrong_ratios(self):
source_dataset = Dataset.from_iterable([DatasetItem(id=1)])
with self.assertRaises(Exception):
transforms.RandomSplit(source_dataset, splits=[
('train', 0.5),
('test', 0.7),
])
with self.assertRaises(Exception):
transforms.RandomSplit(source_dataset, splits=[])
with self.assertRaises(Exception):
transforms.RandomSplit(source_dataset, splits=[
('train', -0.5),
('test', 1.5),
])
def test_remap_labels(self):
src_dataset = Dataset.from_iterable([
DatasetItem(id=1, annotations=[
# Should be remapped
Label(1),
Bbox(1, 2, 3, 4, label=2),
Mask(image=np.array([1]), label=3),
# Should be kept
Polygon([1, 1, 2, 2, 3, 4], label=4),
PolyLine([1, 3, 4, 2, 5, 6])
])
], categories={
AnnotationType.label: LabelCategories.from_iterable(
'label%s' % i for i in range(5)),
AnnotationType.mask: MaskCategories(
colormap=mask_tools.generate_colormap(5)),
})
dst_dataset = Dataset.from_iterable([
DatasetItem(id=1, annotations=[
Label(1),
Bbox(1, 2, 3, 4, label=0),
Mask(image=np.array([1]), label=1),
Polygon([1, 1, 2, 2, 3, 4], label=2),
PolyLine([1, 3, 4, 2, 5, 6], label=None)
]),
], categories={
AnnotationType.label: LabelCategories.from_iterable(
['label0', 'label9', 'label4']),
AnnotationType.mask: MaskCategories(colormap={
k: v for k, v in mask_tools.generate_colormap(5).items()
if k in { 0, 1, 3, 4 }
})
})
actual = transforms.RemapLabels(src_dataset, mapping={
'label1': 'label9',
'label2': 'label0',
'label3': 'label9',
}, default='keep')
compare_datasets(self, dst_dataset, actual)
def test_remap_labels_delete_unspecified(self):
source_dataset = Dataset.from_iterable([
DatasetItem(id=1, annotations=[ Label(0) ])
], categories=['label0'])
target_dataset = Dataset.from_iterable([
DatasetItem(id=1),
], categories=[])
actual = transforms.RemapLabels(source_dataset,
mapping={}, default='delete')
compare_datasets(self, target_dataset, actual)
def test_transform_labels(self):
src_dataset = Dataset.from_iterable([
DatasetItem(id=1, annotations=[
Label(1),
Bbox(1, 2, 3, 4, label=2),
Bbox(1, 3, 3, 3),
Mask(image=np.array([1]), label=3),
Polygon([1, 1, 2, 2, 3, 4], label=4),
PolyLine([1, 3, 4, 2, 5, 6], label=5)
])
], categories=['label%s' % i for i in range(6)])
dst_dataset = Dataset.from_iterable([
DatasetItem(id=1, annotations=[
Label(1),
Label(2),
Label(3),
Label(4),
Label(5)
]),
], categories=['label%s' % i for i in range(6)])
actual = transforms.AnnsToLabels(src_dataset)
compare_datasets(self, dst_dataset, actual)