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Spatial transform ops.
Functions
bbox2mask(...): Converts bounding boxes to bitmasks.
bilinear_resize(...): Bilinear resizes the images.
bilinear_resize_to_bbox(...): Bilinear resizes the images to fit into the bounding boxes in the output.
bilinear_resize_with_crop_and_pad(...): Bilinear resizes the images, then crops and finally pads to output size.
bilinear_resize_with_pad(...): Bilinear resizes the images, then pads to output size.
crop_mask_in_target_box(...): Crop masks in target boxes.
multilevel_crop_and_resize(...): Crop and resize on multilevel feature pyramid.
nearest_upsampling(...): Nearest neighbor upsampling implementation.