- Keywords: Hand Object Interaction, Object Segmentation, Contrastive Learning, Attention, Embeddings
- TL;DR: In this paper we learn to segment hands and hand-held objects using attention and contrastive-based learning.
- Abstract: In this paper we learn to segment hands and hand-held objects from motion. Our system takes a single RGB image and hand location as input to segment the hand and hand-held object. For learning, we generate responsibility maps that show how well a hand's motion explains other pixels' motion in video. We use these responsibility maps as pseudo-labels to train a weakly-supervised neural network using an attention-based similarity loss and contrastive loss. Our system outperforms alternate methods, achieving good performance on the 100DOH, EPIC-KITCHENS, and HO3D datasets.
- Supplementary Material: pdf
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