AI RESEARCH
ARMFlow: AutoRegressive MeanFlow for Online 3D Human Reaction Generation
arXiv CS.CV
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ArXi:2512.16234v2 Announce Type: replace 3D human reaction generation faces three main challenges:(1) high motion fidelity, (2) real-time inference, and (3) autoregressive adaptability for online scenarios. Existing methods fail to meet all three simultaneously. We propose ARMFlow, a MeanFlow-based autoregressive framework that models temporal dependencies between actor and reactor motions. It consists of a causal context encoder and an MLP-based velocity predictor. We