Author

Yuan Feng

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Preprint Sep 2026

ScaleBlind: Point Cloud Completion under Unknown Scale

Point cloud completion aims to infer a complete 3D shape from a partial point cloud and serves as a fundamental building block for downstream tasks such as reconstruction, editing, and simulation. Despite the recent progress, existing learning-based methods often implicitly rely on access to the ground-truth shape scal...

Sheng-Hui Wu, Chen Wang, Yuan Feng et al. · 0 citations

#artificial intelligence Preprint Sep 2026

OmniVChat: Synthesizing, Benchmarking, and Training for Native Audio-Visual Dialogue

We define OmniVChat (Omni Video Chat) as the task of native audio-visual dialogue between a user and an omni model. In OmniVChat, omni models directly and simultaneously receive audio and video from a user and return text. The user's query is embedded in the audio and video, without a separate text question, external c...

Haolin He, Yunfei Chu, Qi Chen et al. · 0 citations