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Avatar Animation Lost Three Orders of CPU Cost

A shared linear blendshape basis replaced heavy per-frame neural decoding across three avatar systems.

Published Updated Story ID: mp-2026-10-02-007
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Summary

A shared linear blendshape basis replaced heavy per-frame neural decoding across three avatar systems.

GALA distills pretrained Gaussian-avatar animation into a shallow coefficient predictor and a linear blend of identity-independent basis shapes. Block-local PCA under a rendering-aware metric controls fidelity and memory. Across three facial and full-body avatar systems, the authors report up to three orders of magnitude lower CPU animation cost while preserving most rendering quality and reaching as much as 60 frames per second on mobile devices. The claim applies to the evaluated models and held-out identities, not every avatar architecture.

Why it matters

A shared linear blendshape basis replaced heavy per-frame neural decoding across three avatar systems.

Limits and context

  • The claim applies to the evaluated models and held-out identities, not every avatar architecture.

Key claims

  1. A shared linear blendshape basis replaced heavy per-frame neural decoding across three avatar systems.

    Qualification: The claim applies to the evaluated models and held-out identities, not every avatar architecture.

    Evidence: source-2026-10-02-007

Sources

  1. arXiv preprint 2610.02207arXiv · primary research

Corrections

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