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[D] Precise detection of large number of keypoints

Keypoint detection has successfully been modelled with CNNs that outputs a heatmap tensor of size H x W x K, where K is the number of instance keypoints you want to detect and H and W the output size of the heatmaps. If you want precise detections H and W should ideally be the same size as the input image.

I want to detect K>=300 using an input image of size 512 x 512. Due to obvious memory limitations I can’t use the above naive approach that upscales to the original input size.

Is anyone aware of some research that addresses this specific issue?

submitted by /u/marcopaaah
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Toronto AI is a social and collaborative hub to unite AI innovators of Toronto and surrounding areas. We explore AI technologies in digital art and music, healthcare, marketing, fintech, vr, robotics and more. Toronto AI was founded by Dave MacDonald and Patrick O'Mara.