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NewsByteDance Releases OmniHuman: Next-Generation Human Animation Framework

ByteDance Releases OmniHuman: Next-Generation Human Animation Framework

ByteDance research team recently (February 3rd) released “OmniHuman-1”, a human animation generation framework. This research was published in the paper “OmniHuman-1: Rethinking the Scaling-Up of One-Stage Conditioned Human Animation Models”, showcasing the latest advances in human animation generation.

Key Features of OmniHuman

OmniHuman is an end-to-end multimodal conditional human video generation framework with the following features:

  • Simplified Input Requirements: Only requires a single human image and motion signals (such as audio or video) to generate human animations
  • Flexible Input Support: Can process images of any aspect ratio, including portraits, half-body, and full-body shots
  • Diverse Driving Methods: Supports motion driving through text, audio, video, and other means
  • Detail Performance: Excellent performance in details such as hand movements and lip synchronization

Technical Implementation

The research team adopted an innovative mixed condition training strategy:

  1. Uses DiT architecture as the foundation, integrating multiple driving signal processing capabilities
  2. Designs Omni-Conditions mechanism, fusing audio, pose, and other features
  3. Employs a multi-stage training method to balance different conditions
  4. Training dataset includes 18.7K hours of human-related data

Potential Applications

OmniHuman’s application scenarios include:

  • Virtual host production
  • Digital human performance
  • Video content creation
  • Remote meeting avatars

Current Status

Currently, OmniHuman is not available for download or service. The research team indicates they will provide more updates in the future.

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