VEPHand: View-Efficient Photometric Hand Performance Capture at Scale

· Source: Computer Vision and Pattern Recognition · Field: Technology & Digital — Artificial Intelligence & Machine Learning, Gaming & Interactive Media · Depth: Expert, quick

Summary

VEPHand is an end-to-end pipeline for dynamic 3D hand performance capture and registration. It is engineered for view-efficient multi-view systems using approximately 20 cameras. The system addresses challenges in robust, high-fidelity hand capture from unmasked images through two innovations. First, a mask-free neural method extracts detailed hand geometry and appearance. It uses scene parameterization and density regularization to overcome limited view overlap and background clutter. Second, a physics-inspired framework handles registration. It aligns reconstructions to a personalized hand model by optimizing intrinsic volumetric offsets and pose parameters. This approach accurately captures non-linear skin deformations and ensures plausible results during severe self-contact, even with input noise. VEPHand demonstrates scalability and robustness across over 12,000 sequences. It covers single hands, two-hand interactions, and hand-object manipulations, achieving state-of-the-art reconstruction fidelity and registration accuracy. It also generates a large-scale synthetic 2D/3D hand dataset.

Key takeaway

For Computer Vision Engineers developing digital human creation tools, VEPHand offers a robust solution for high-fidelity 3D hand performance capture. If your projects require accurate hand modeling from limited camera setups, consider integrating view-efficient, mask-free neural reconstruction and physics-inspired registration techniques. This approach ensures plausible results even with severe self-contact and input noise, streamlining the creation of realistic hand animations and interactions. Explore its potential for generating large-scale synthetic datasets to train downstream tasks.

Key insights

VEPHand enables robust, high-fidelity 3D hand capture and registration from ~20 unmasked views, using neural reconstruction and physics-inspired deformation modeling.

Principles

Method

VEPHand uses a mask-free neural method for geometry and appearance extraction via scene parameterization and density regularization. It then aligns reconstructions to a personalized hand model using a physics-inspired framework optimizing volumetric offsets and pose parameters.

In practice

Topics

Best for: Research Scientist, AI Scientist, Computer Vision Engineer

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Editorial summary, takeaway, and curation by AIssential. Original article published by Computer Vision and Pattern Recognition.