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KeypointAwareCrop: uniform sampling when no keypoints are present#2801

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MMathisLab merged 2 commits intopytorch_dlcfrom
niels/keypoint_crop
Dec 3, 2024
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KeypointAwareCrop: uniform sampling when no keypoints are present#2801
MMathisLab merged 2 commits intopytorch_dlcfrom
niels/keypoint_crop

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@n-poulsen
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Addresses issue #2769. When all keypoints labeled in an image are augmented outside of the image (e.g. they are close to the edge and a rotation is applied), no keypoints are left. Then, density-based sampling of the crop center fails as there are no keypoints to sample from.

Address a few other typos when it comes to image augmentation:

  • When creating the Affine transform, the translation parameter must be given as (-translation, translation)
  • Keypoints should be padded with 0s (not visible) and not -1 (not defined)

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Good catch!

@MMathisLab MMathisLab merged commit 3145fea into pytorch_dlc Dec 3, 2024
@MMathisLab MMathisLab deleted the niels/keypoint_crop branch December 3, 2024 18:56
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2 participants