def _test_cbaoi_p_is_0(self, augf_name, cbaoi, deterministic):
aug = self.create_aug(0)
if deterministic:
aug = aug.to_deterministic()
for _ in sm.xrange(3):
observed = getattr(aug, augf_name)(cbaoi)
assert_cbaois_equal(observed, cbaoi)
def test_augment_polygons__kernel_size_is_two__keep_size(self):
from imgaug.augmentables.polys import Polygon, PolygonsOnImage
polys = [Polygon([(0, 0), (2, 0), (2, 2)])]
psoi = PolygonsOnImage(polys, shape=(6, 6, 3))
aug = self.augmenter(2, keep_size=True)
psoi_aug = aug.augment_polygons(psoi)
assert_cbaois_equal(psoi_aug, psoi)
def _test_augment_keypoints__kernel_size_is_noop(self, kernel_size):
from imgaug.augmentables.kps import Keypoint, KeypointsOnImage
kps = [Keypoint(x=1.5, y=5.5), Keypoint(x=5.5, y=1.5)]
kpsoi = KeypointsOnImage(kps, shape=(6, 6, 3))
aug = self.augmenter(kernel_size)
kpsoi_aug = aug.augment_keypoints(kpsoi)
assert_cbaois_equal(kpsoi_aug, kpsoi)
def test_augment_bounding_boxes__kernel_size_is_two__keep_size(self):
from imgaug.augmentables.bbs import BoundingBox, BoundingBoxesOnImage
bbs = [BoundingBox(x1=0, y1=0, x2=2, y2=2)]
bbsoi = BoundingBoxesOnImage(bbs, shape=(6, 6, 3))
aug = self.augmenter(2, keep_size=True)
bbsoi_aug = aug.augment_bounding_boxes(bbsoi)
assert_cbaois_equal(bbsoi_aug, bbsoi)
def test_empty_keypoints(self):
from imgaug.augmentables.kps import KeypointsOnImage
kpsoi = KeypointsOnImage([], shape=(5, 6, 3))
aug = self.augmenter(3, keep_size=False)
kpsoi_aug = aug.augment_keypoints(kpsoi)
expected = kpsoi.deepcopy(shape=(2, 2, 3))
assert_cbaois_equal(kpsoi_aug, expected)
def test_empty_bounding_boxes(self):
from imgaug.augmentables.bbs import BoundingBoxesOnImage
bbsoi = BoundingBoxesOnImage([], shape=(5, 6, 3))
aug = self.augmenter(3, keep_size=False)
bbsoi_aug = aug.augment_bounding_boxes(bbsoi)
expected = bbsoi.deepcopy()
expected.shape = (2, 2, 3)
assert_cbaois_equal(bbsoi_aug, expected)
def test_empty_polygons(self):
from imgaug.augmentables.polys import PolygonsOnImage
psoi = PolygonsOnImage([], shape=(5, 6, 3))
aug = self.augmenter(3, keep_size=False)
psoi_aug = aug.augment_polygons(psoi)
expected = psoi.deepcopy()
expected.shape = (2, 2, 3)
assert_cbaois_equal(psoi_aug, expected)
def test_augment_keypoints__kernel_size_is_two__no_keep_size(self):
from imgaug.augmentables.kps import Keypoint, KeypointsOnImage
kps = [Keypoint(x=1.5, y=5.5), Keypoint(x=5.5, y=1.5)]
kpsoi = KeypointsOnImage(kps, shape=(6, 6, 3))
aug = self.augmenter(2, keep_size=False)
kpsoi_aug = aug.augment_keypoints(kpsoi)
expected = KeypointsOnImage.from_xy_array(np.float32(
[[1.5 / 2, 5.5 / 2], [5.5 / 2, 1.5 / 2]]),
shape=(3, 3, 3))
assert_cbaois_equal(kpsoi_aug, expected)
def test_augment_bounding_boxes__kernel_size_is_two__no_keep_size(self):
from imgaug.augmentables.bbs import BoundingBox, BoundingBoxesOnImage
bbs = [BoundingBox(x1=1.5, y1=2.5, x2=3.5, y2=4.5)]
bbsoi = BoundingBoxesOnImage(bbs, shape=(6, 6, 3))
aug = self.augmenter(2, keep_size=False)
bbsoi_aug = aug.augment_bounding_boxes(bbsoi)
expected = BoundingBoxesOnImage(
[BoundingBox(x1=1.5 / 2, y1=2.5 / 2, x2=3.5 / 2, y2=4.5 / 2)],
shape=(3, 3, 3))
assert_cbaois_equal(bbsoi_aug, expected)
def test_augment_polygons__kernel_size_is_two__no_keep_size(self):
from imgaug.augmentables.polys import Polygon, PolygonsOnImage
ps = [Polygon([(1.5, 1.5), (5.5, 1.5), (5.5, 5.5)])]
psoi = PolygonsOnImage(ps, shape=(6, 6, 3))
aug = self.augmenter(2, keep_size=False)
psoi_aug = aug.augment_polygons(psoi)
expected = PolygonsOnImage([
Polygon([(1.5 / 2, 1.5 / 2), (5.5 / 2, 1.5 / 2),
(5.5 / 2, 5.5 / 2)])
],
shape=(3, 3, 3))
assert_cbaois_equal(psoi_aug, expected)
def _test_augment_keypoints__kernel_size_differs(self, shape, shape_exp):
from imgaug.augmentables.kps import Keypoint, KeypointsOnImage
kps = [Keypoint(x=1.5, y=5.5), Keypoint(x=5.5, y=1.5)]
kpsoi = KeypointsOnImage(kps, shape=shape)
aug = self.augmenter((iap.Deterministic(3), iap.Deterministic(2)),
keep_size=False)
kpsoi_aug = aug.augment_keypoints(kpsoi)
expected = KeypointsOnImage.from_xy_array(np.float32([[
(1.5 / shape[1]) * shape_exp[1], (5.5 / shape[0]) * shape_exp[0]
], [(5.5 / shape[1]) * shape_exp[1],
(1.5 / shape[0]) * shape_exp[0]]]),
shape=shape_exp)
assert_cbaois_equal(kpsoi_aug, expected)
def _test_augment_line_strings__kernel_size_differs(self, shape, shape_exp):
from imgaug.augmentables.lines import LineString, LineStringsOnImage
ls = [LineString([(1.5, 5.5), (5.5, 1.5), (5.5, 5.5)])]
lsoi = LineStringsOnImage(ls, shape=shape)
aug = self.augmenter(
(iap.Deterministic(3), iap.Deterministic(2)),
keep_size=False)
lsoi_aug = aug.augment_line_strings(lsoi)
expected = LineStringsOnImage(
[LineString([
((1.5/shape[1])*shape_exp[1], (5.5/shape[0])*shape_exp[0]),
((5.5/shape[1])*shape_exp[1], (1.5/shape[0])*shape_exp[0]),
((5.5/shape[1])*shape_exp[1], (5.5/shape[0])*shape_exp[0])
])],
shape=shape_exp)
assert_cbaois_equal(lsoi_aug, expected)
def _test_augment_polygons__kernel_size_differs(self, shape, shape_exp):
from imgaug.augmentables.polys import Polygon, PolygonsOnImage
polys = [Polygon([(1.5, 5.5), (5.5, 1.5), (5.5, 5.5)])]
psoi = PolygonsOnImage(polys, shape=shape)
aug = self.augmenter(
(iap.Deterministic(3), iap.Deterministic(2)),
keep_size=False)
psoi_aug = aug.augment_polygons(psoi)
expected = PolygonsOnImage(
[Polygon([
((1.5/shape[1])*shape_exp[1], (5.5/shape[0])*shape_exp[0]),
((5.5/shape[1])*shape_exp[1], (1.5/shape[0])*shape_exp[0]),
((5.5/shape[1])*shape_exp[1], (5.5/shape[0])*shape_exp[0])
])],
shape=shape_exp)
assert_cbaois_equal(psoi_aug, expected)
def _test_augment_bounding_boxes__kernel_size_differs(
self, shape, shape_exp):
from imgaug.augmentables.bbs import BoundingBox, BoundingBoxesOnImage
bbs = [BoundingBox(x1=1.5, y1=2.5, x2=5.5, y2=6.5)]
bbsoi = BoundingBoxesOnImage(bbs, shape=shape)
aug = self.augmenter((iap.Deterministic(3), iap.Deterministic(2)),
keep_size=False)
bbsoi_aug = aug.augment_bounding_boxes(bbsoi)
expected = BoundingBoxesOnImage([
BoundingBox(
x1=(1.5 / shape[1]) * shape_exp[1],
y1=(2.5 / shape[0]) * shape_exp[0],
x2=(5.5 / shape[1]) * shape_exp[1],
y2=(6.5 / shape[0]) * shape_exp[0],
)
],
shape=shape_exp)
assert_cbaois_equal(bbsoi_aug, expected)
def _test_augment_cbaoi__kernel_size_is_noop(self, kernel_size, cbaoi,
augf_name):
aug = self.augmenter(kernel_size)
cbaoi_aug = getattr(aug, augf_name)(cbaoi)
assert_cbaois_equal(cbaoi_aug, cbaoi)
def _test_empty_cbaoi(self, cbaoi, augf_name):
aug = self.augmenter(3, keep_size=False)
cbaoi_aug = getattr(aug, augf_name)(cbaoi)
expected = cbaoi.deepcopy()
expected.shape = (2, 2, 3)
assert_cbaois_equal(cbaoi_aug, expected)
def _test_augment_cbaoi__kernel_size_is_two__no_keep_size(
self, cbaoi, expected, augf_name):
aug = self.augmenter(2, keep_size=False)
observed = getattr(aug, augf_name)(cbaoi)
assert_cbaois_equal(observed, expected)