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cs.CV2026
VTrajEmbed: Aligning Text with Video Object Trajectories via Spatiotemporal Embeddings
Ruizhi Chen, Zining Fan, Yudi Guo +5
Fine-grained alignment between text and video object trajectories is a core challenge in multimodal understanding. Existing embedding models excel at global retrieval, yet their si…
cs.CV2026
TraceCLIP: Recovering Local Semantics from Patch-to-CLS Contributions
Xinran Liu, Shouqian Shi, Yutong Chen +3
Dense vision-language understanding, including object localization, region recognition, and open-vocabulary semantic segmentation, requires associating language concepts with spati…