2 papers
cs.CV2026
See the Change, Keep the Flow: Unsupervised Action Segmentation via Spectral-Temporal Representation Learning
Yun Li, Jun Xiao, Cong Zhang +1
Unsupervised action segmentation aims to discover latent action categories and their temporal organization without action annotations. Optimal transport-based methods provide struc…
cs.CV2025
HFS: Holistic Query-Aware Frame Selection for Efficient Video Understanding
Yiqing Yang, Yun Li, Daiqing Qi +5
Key frame selection is essentially a set-level optimization problem: the quality of the selected subset depends on the interactions among frames, rather than the score of any singl…