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add unittest for backends

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yl-1993 2020-08-05 16:53:35 +08:00
parent a0c814fecd
commit 0009591aa3
1 changed files with 21 additions and 0 deletions
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21
tests/test_pipelines/test_transform.py
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@ -64,6 +64,7 @@ def test_resize():
results['img2'] = copy.deepcopy(original_img)
results['img_shape'] = original_img.shape
results['ori_shape'] = original_img.shape
results['img_fields'] = ['img', 'img2']
return results
# test resize when size is int
@ -101,6 +102,26 @@ def test_resize():
assert np.equal(results['img'], results['img2']).all()
assert results['img_shape'] == (img_height * 2, img_width * 2, 3)
# test resize with different backends
transform_cv2 = dict(
type='Resize',
size=(224, 256),
interpolation='bilinear',
backend='cv2')
transform_pil = dict(
type='Resize',
size=(224, 256),
interpolation='bilinear',
backend='pillow')
resize_module_cv2 = build_from_cfg(transform_cv2, PIPELINES)
resize_module_pil = build_from_cfg(transform_pil, PIPELINES)
results = reset_results(results, original_img)
results['img_fields'] = ['img']
results_cv2 = resize_module_cv2(results)
results['img_fields'] = ['img2']
results_pil = resize_module_pil(results)
assert np.allclose(results_cv2['img'], results_pil['img2'], atol=45)
# compare results with torchvision
transform = dict(type='Resize', size=(224, 224), interpolation='area')
resize_module = build_from_cfg(transform, PIPELINES)