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Related papers: Less is More: Token-Efficient Video-QA via Adaptiv…

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Vision-language models (VLMs) have achieved impressive performance on multimodal reasoning tasks such as visual question answering, image captioning and so on, but their inference cost remains a significant challenge due to the large number…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Weichen Zhang , Zhui Zhu , Ningbo Li , Shilong Tao , Kebin Liu , Yunhao Liu

As the computational needs of Large Vision-Language Models (LVLMs) increase, visual token pruning has proven effective in improving inference speed and memory efficiency. Traditional pruning methods in LVLMs predominantly focus on attention…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Bozhi Luan , Wengang Zhou , Hao Feng , Zhe Wang , Xiaosong Li , Houqiang Li

Large Vision Language Models (LVLMs) have achieved significant success across multi-modal tasks. However, the computational cost of processing long visual tokens can be prohibitively expensive on resource-limited devices. Previous methods…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Xubing Ye , Yukang Gan , Yixiao Ge , Xiao-Ping Zhang , Yansong Tang

Integrating vision models into large language models (LLMs) has sparked significant interest in creating vision-language foundation models, especially for video understanding. Recent methods often utilize memory banks to handle untrimmed…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Sakib Reza , Xiyun Song , Heather Yu , Zongfang Lin , Mohsen Moghaddam , Octavia Camps

Video Large Language Models (Video-LLMs) excel at understanding videos in-context, provided they have full access to the video when answering queries. However, these models face challenges in streaming scenarios where hour-long videos must…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Vaggelis Dorovatas , Soroush Seifi , Gunshi Gupta , Rahaf Aljundi

Real-world deployment of Vision-Language Models (VLMs) is hindered by high computational demands, as existing architectures inefficiently process all tokens uniformly. We introduce Adaptive Token Pruning (ATP), a dynamic inference mechanism…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Xue Li , Xiaonan Song , Henry Hu

Token reduction is an effective way to accelerate long-video vision-language models (VLMs), but most existing methods are designed for dense Transformers and do not directly account for hybrid architectures that interleave attention with…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Jindong Jiang , Amala Sanjay Deshmukh , Kateryna Chumachenko , Karan Sapra , Zhiding Yu , Guilin Liu , Andrew Tao , Pavlo Molchanov , Jan Kautz , Wonmin Byeon

Long-form video understanding remains challenging for Vision-Language Models (VLMs) due to the inherent tension between computational constraints and the need to capture information distributed across thousands of frames. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Junbo Zou , Ziheng Huang , Shengjie Zhang , Liwen Zhang , Weining Shen

Recent progress in vision-language models (VLMs) has led to impressive results in document understanding tasks, but their high computational demands remain a challenge. To mitigate the compute burdens, we propose a lightweight token pruning…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Jaemin Son , Sujin Choi , Inyong Yun

Large vision-language models (VLMs) typically process hundreds or thousands of visual tokens per image or video frame, incurring quadratic attention cost and substantial redundancy. Existing token reduction methods often ignore the textual…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Kaitong Cai , Jusheng Zhang , Jing Yang , Yijia Fan , Pengtao Xie , Jian Wang , Keze Wang

Key frame selection in video understanding presents significant challenges. Traditional top-K selection methods, which score frames independently, often fail to optimize the selection as a whole. This independent scoring frequently results…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Yiqing Yang , Kin-Man Lam

Large multimodal models (LMMs) have recently demonstrated remarkable performance in video question answering (VideoQA), yet reasoning over video remains challenging due to high inference cost and diluted information. Keyframe selection…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Minchan Kwon , Hyounguk Shon , Junmo Kim

Audio-Visual Large Language Models (AV-LLMs) face prohibitive computational overhead from massive audio and video tokens. Token reduction, while extensively explored for video-only LLMs, is insufficient for the audio-visual domain, as these…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Chao Gong , Depeng Wang , Zhipeng Wei , Ya Guo , Huijia Zhu , Jingjing Chen

Despite great progress, text-driven long video editing is still notoriously challenging mainly due to excessive memory overhead. Although recent efforts have simplified this task into a two-step process of keyframe translation and…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Shuheng Zhang , Yuqi Liu , Hongbo Zhou , Jun Peng , Yiyi Zhou , Xiaoshuai Sun , Rongrong Ji

Long video understanding remains challenging for Multi-modal Large Language Models (MLLMs) due to high memory costs and context-length limits. Prior approaches mitigate this by scoring and selecting frames/tokens within short clips, but…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Haozhe Qi , Kevin Qu , Mahdi Rad , Rui Wang , Alexander Mathis , Marc Pollefeys

Large Vision-Language Models (LVLMs) have adopted visual token pruning strategies to mitigate substantial computational overhead incurred by extensive visual token sequences. While prior works primarily focus on either attention-based or…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Changwoo Baek , Jouwon Song , Sohyeon Kim , Kyeongbo Kong

Understanding long-form videos remains a significant challenge for vision--language models (VLMs) due to their extensive temporal length and high information density. Most current multimodal large language models (MLLMs) rely on uniform…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Xian Zhang , Zexi Wu , Zinuo Li , Hongming Xu , Luqi Gong , Farid Boussaid , Naoufel Werghi , Mohammed Bennamoun

Adapting Multimodal Large Language Models (MLLMs) for hour-long videos is bottlenecked by context limits. Dense visual streams saturate token budgets and exacerbate the lost-in-the-middle phenomenon. Existing heuristics, like sparse…

Video Large Language Models (VLLMs) demonstrate strong video understanding but suffer from inefficiency due to redundant visual tokens. Existing pruning primary targets intra-frame spatial redundancy or prunes inside the LLM with…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Jinlong Li , Liyuan Jiang , Haonan Zhang , Nicu Sebe

Visual token reduction is critical for accelerating Vision-Language Models (VLMs), yet most existing approaches rely on a fixed budget shared across all inputs, overlooking the substantial variation in image information density. We propose…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Jialuo He , Huangxun Chen