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- W4386076589 abstract "We present HandAvatar, a novel representation for hand animation and rendering, which can generate smoothly compositional geometry and self-occlusion-aware texture. Specifically, we first develop a MANO-HD model as a high-resolution mesh topology to fit personalized hand shapes. Sequentially, we decompose hand geometry into per-bone rigid parts, and then re-compose paired geometry encodings to derive an across-part consistent occupancy field. As for texture modeling, we propose a self-occlusion-aware shading field (SelF). In SelF, drivable anchors are paved on the MANO-HD surface to record albedo information under a wide variety of hand poses. Moreover, directed soft occupancy is designed to describe the ray-to-surface relation, which is leveraged to generate an illumination field for the disentanglement of pose-independent albedo and pose-dependent illumination. Trained from monocular video data, our HandAvatar can perform freepose hand animation and rendering while at the same time achieving superior appearance fidelity. We also demonstrate that HandAvatar provides a route for hand appearance editing. Project website: https://seanchenxy.github.iO/HandAvatarWeb." @default.
- W4386076589 created "2023-08-23" @default.
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- W4386076589 date "2023-06-01" @default.
- W4386076589 modified "2023-09-27" @default.
- W4386076589 title "Hand Avatar: Free-Pose Hand Animation and Rendering from Monocular Video" @default.
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- W4386076589 doi "https://doi.org/10.1109/cvpr52729.2023.00839" @default.
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