Example of random_mask_pixel to perform biased random crop #2474
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Signed-off-by: Joaquin Anton <janton@nvidia.com>
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View / edit / reply to this conversation on ReviewNB mzient commented on 2020-11-17T16:10:25Z
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View / edit / reply to this conversation on ReviewNB mzient commented on 2020-11-17T16:10:26Z Can we use rel_shape = (1, 1)? It would be more natural if we don't want to flatten remaining dimensions but rather raise an error.
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Signed-off-by: Joaquin Anton <janton@nvidia.com>
JanuszL
reviewed
Nov 18, 2020
mzient
approved these changes
Nov 18, 2020
JanuszL
approved these changes
Nov 18, 2020
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!build |
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CI MESSAGE: [1809803]: BUILD STARTED |
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CI MESSAGE: [1809803]: BUILD PASSED |
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Signed-off-by: Joaquin Anton janton@nvidia.com
Why we need this PR?
Pick one, remove the rest
ops.RandomMaskPixeloperator to generate crop centers that are placed on foreground pixels of a segmentation mask with a given probability.What happened in this PR?
Fill relevant points, put NA otherwise. Replace anything inside []
Extended "COCO Reader with augmentations" notebook to show how to perform a biased or balanced random crop, by specifying the probability of the crop window to be centered at a foreground pixel in the segmentation mask.
Fixed seed generation in RandomMaskPixel to be done per-sample instead of per-thread, for deterministic results
RandomMaskPixel operator
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Notebook
Notebook
JIRA TASK: [DALI-1723]