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Tong-Kun Guan

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Book Open access Nov 2026

Video* Bench: Benchmarking Fine-grained Video Perception with "Think with Videos"

Interactive agents need fine-grained long-video understanding. Current Video-LLMs remain brittle when relevant evidence is subtle or sparse. Fixed frame budgets force rich streams into a few sampled frames and often discard decisive cues. We introduce Video* Bench, a benchmark with 2,212 real-world videos and ten tasks...

Rui-Zhe Chen, Zhi-Ting Fan, Yang Shi et al. · 1 citation
Sep 2026

BPE-Level Visual-Textual Alignment for Multi-Scene Text Retrieval

Scene Text Retrieval (STR) aims to search images containing a given textual query within large-scale image collections. However, existing approaches are fundamentally constrained in two ways: 1) they are evaluated on narrow benchmarks that focus primarily on natural scenes; and 2) they rely on either error-prone multi-...

Tong-Kun Guan, Yu-Tong Cai, Hao-Cheng Wang et al. · 0 citations

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