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ScalePyramid gradcheck and docs #189

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merged 1 commit into from Jul 17, 2019
Merged

ScalePyramid gradcheck and docs #189

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1 change: 1 addition & 0 deletions docs/source/geometry.transform.rst
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Expand Up @@ -28,3 +28,4 @@ The functions in this section perform various geometrical transformations of 2D
.. autoclass:: Shear
.. autoclass:: PyrDown
.. autoclass:: PyrUp
.. autoclass:: ScalePyramid
11 changes: 11 additions & 0 deletions test/geometry/transform/test_pyramid.py
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Expand Up @@ -115,3 +115,14 @@ def test_symmetry_preserving(self):
assert torch.allclose(img, img.flip(1))
assert torch.allclose(img, img.flip(2))
return

def test_gradcheck(self):
batch_size, channels, height, width = 1, 2, 7, 9
img = torch.rand(batch_size, channels, height, width)
img = utils.tensor_to_gradcheck_var(img) # to var
from kornia.geometry import ScalePyramid as SP

def sp_tuple(img):
sp, sigmas, pd = SP()(img)
return tuple(sp)
assert gradcheck(sp_tuple, (img,), raise_exception=True)