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Shao-Jie Shen

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#artificial intelligence Preprint Sep 2026

ECHO-G: Embodied Co-speech Humanoid mOtion Generation

Generating full-body co-speech motion for humanoid robots requires coordinating speech prosody, linguistic content, and embodiment-specific motion. To this end, we present ECHO-G, a framework jointly conditioned on speech audio and timed transcripts. Its Speech-Grounded Diffusion Transformer (SGDiT) combines frame-alig...

Yi-Zhao Li, Pu-Sen Gao, Ming Wang et al. · 0 citations
Preprint Sep 2026

MeRoPE: Metric Rotary Position Embedding for Camera-Controlled Video Generation

In camera-controlled video generation, geometry-aware positional encodings condition tokens on camera extrinsics and per-token viewing rays. Existing schemes, however, have a scale-dependent failure mode on real-world metric camera trajectories: homogeneous projective encodings cause attention logits and feature norms...

Zhijian Qiao, Xinjing Wang, Jia-Jie Chen et al. · 0 citations

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