Author

Kent Fujiwara

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Preprint Sep 2026

MotionSpaceFlow: Representation-Aware Flow Matching in Direct Motion Space

Recent advances in diffusion and flow models have substantially improved text-driven human motion generation. Yet most methods generate in low-dimensional, temporally downsampled latent spaces learned primarily for reconstruction, a bottleneck that can limit generation quality and preclude direct manipulation of indivi...

Yu Qing, Kent Fujiwara · 0 citations

Preprint Jul 2026

Retrieving and Refining Winning Noise Tickets for Diffusion-Based Motion Generation

Diffusion-based text-to-motion models synthesize realistic human motions but often exhibit semantic drift from the input text. Motion is inherently temporal, especially in compositional and long-duration sequences that require semantic consistency across multiple action segments and smooth kinematic transitions through...

Sakuya Ota, Qing Yu, Kent Fujiwara et al. · 0 citations