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cs.CV2026
STEC: A Reference-Free Spatio-Temporal Entropy Coverage Metric for Evaluating Sampled Video Frames
Shih-Yao Lin
Frame sampling is a fundamental component in video understanding and video--language model pipelines, yet evaluating the quality of sampled frames remains challenging. Existing eva…
cs.CV2025
From Captions to Keyframes: KeyScore for Multimodal Frame Scoring and Video-Language Understanding
Shih-Yao Lin, Sibendu Paul, Caren Chen
Selecting informative keyframes is critical for efficient video understanding, yet existing approaches often rely on heuristics, ignore semantics, or produce redundant frames. We p…