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Zhihang Tang

3 accepted papers

2026

Learning Transferable Temporal Primitives for Video Reasoning via Synthetic Videos

CVPR 2026

The transition from image to video understanding requires vision-language models (VLMs) to shift from recognizing static patterns to reasoning over temporal dynamics such as motion trajectories, speed changes, and state transitions. Yet current post-training methods fall short due to two critical li

Cited by 0SourcecodeScholar
2026

UniVBench: Towards Unified Evaluation for Video Foundation Models

CVPR 2026

Video foundation models aim to integrate video understanding, generation, editing, and instruction following within a single framework, making them a central direction for next-generation multimodal systems. However, existing evaluation benchmarks remain fragmented and limited in scope, as they each

Cited by 0SourcecodeScholar
2025

HSCR: Hierarchical Self-Contrastive Rewarding for Aligning Medical Vision Language Models

ACL 2025long

Medical Vision-Language Models (Med-VLMs) have achieved success across various tasks, yet most existing methods overlook the modality misalignment issue that can lead to untrustworthy responses in clinical settings. In this paper, we propose Hierarchical Self-Contrastive Rewarding (HSCR), a novel ap…