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Add examples for RandomPerspective, RandomRotation, and RandomAffine #3694

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Merged
merged 4 commits into from
Apr 20, 2021
Merged

Add examples for RandomPerspective, RandomRotation, and RandomAffine #3694

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bae9a83
Add examples for affine transforms
voldemortX Apr 20, 2021
c49dffe
Merge branch 'master' into affine-examples
voldemortX Apr 20, 2021
39e758a
add funcional equivalents
voldemortX Apr 20, 2021
18d38e8
Merge branch 'affine-examples' of github.com:voldemortX/vision into a…
voldemortX Apr 20, 2021
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27 changes: 27 additions & 0 deletions gallery/plot_transforms.py
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Expand Up @@ -62,3 +62,30 @@ def _plot(img, title, **kwargs):
# converts an image to grayscale
gray_img = T.Grayscale()(orig_img)
plot(gray_img, "Grayscale image", cmap='gray')

####################################
# RandomPerspective
# -----------------
# The :class:`~torchvision.transforms.RandomPerspective` transform
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Here and below, let's add a "see also the functional equivalent" as done for the other transforms (except for the jitter because it doesn't exists).

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Thanks! I found the artifacts.
I'll add the non-random equivalents.

# (see also :func:`~torchvision.transforms.functional.perspective`)
# performs random perspective transform on an image.
perspectived_img = T.RandomPerspective(distortion_scale=0.6, p=1.0)(orig_img)
plot(perspectived_img, "Perspective transformed image")

####################################
# RandomRotation
# --------------
# The :class:`~torchvision.transforms.RandomRotation` transform
# (see also :func:`~torchvision.transforms.functional.rotate`)
# rotates an image with random angle.
rotated_img = T.RandomRotation(degrees=(30, 70))(orig_img)
plot(rotated_img, "Rotated image")

####################################
# RandomAffine
# ------------
# The :class:`~torchvision.transforms.RandomAffine` transform
# (see also :func:`~torchvision.transforms.functional.affine`)
# performs random affine transform on an image.
affined_img = T.RandomAffine(degrees=(30, 70), translate=(0.1, 0.3), scale=(0.5, 0.75))(orig_img)
plot(affined_img, "Affine transformed image")