FreeSOLO Learning to Segment Objects without Annotations

FreeSOLO: Learning to Segment Objects without Annotations*
Motivation
Present a self-supervised class-agnostic instance segmentation method based on SOLO, with a novel localization generating method.
Method
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Free Mask generates object masks given dense feature maps
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First construct queries Q and keys K from features I, here queries Q is downsampled from I feature maps. Then obtain the score maps by the following operation:
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