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Vision-Language Models (VLMs) have demonstrated strong capabilities in multimodal understanding and generation tasks. However, their application to long video understanding remains hindered by the quadratic complexity of standard attention…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Letian Kang , Shixian Luo , Yiqiang Li , Yuxin Yin , Shenxuan Zhou , Xiaoyang Yu , Jin Yang , Yong Wu

Language models (LMs) and their extension, vision-language models (VLMs), have achieved remarkable performance across various tasks. However, they still struggle with complex reasoning tasks that require multimodal or multilingual…

Machine Learning · Computer Science 2025-07-09 Wenyi Wu , Zixuan Song , Kun Zhou , Yifei Shao , Zhiting Hu , Biwei Huang

Long-form video understanding remains challenging for Video Large Language Models (VideoLLMs), as the dense frame sampling introduces massive visual tokens while sparse sampling risks missing critical temporal evidence and leading to LLM…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Jiameng Li , Minye Wu , Jiezhang Cao , Aleksei Tiulpin , Matthew B. Blaschko

Large Language Models (LLMs) have demonstrated strong capabilities in natural language understanding and reasoning, while recent extensions that incorporate visual inputs enable them to process multimodal information. Despite these…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Pengcheng Zheng , Chaoning Zhang , Ya Wen , Wang Liu , Qigan Sun , Jiarong Mo , Jiaquan Zhang , Jewon Lee , Tae-Ho Kim , Kuien Liu , Tianyu Li , Caiyan Qin , Yang Yang

While excellent in transfer learning, Vision-Language models (VLMs) come with high computational costs due to their large number of parameters. To address this issue, removing parameters via model pruning is a viable solution. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Matteo Farina , Massimiliano Mancini , Elia Cunegatti , Gaowen Liu , Giovanni Iacca , Elisa Ricci

Vision-Language models (VLMs) that use contrastive language-image pre-training have shown promising zero-shot classification performance. However, their performance on imbalanced dataset is relatively poor, where the distribution of classes…

Artificial Intelligence · Computer Science 2023-06-22 Yidong Wang , Zhuohao Yu , Jindong Wang , Qiang Heng , Hao Chen , Wei Ye , Rui Xie , Xing Xie , Shikun Zhang

The Large Vision-Language Model (LVLM) integrates computer vision and natural language processing techniques, offering substantial application potential. However, these models demand extensive resources during inference. Adaptive attention…

Artificial Intelligence · Computer Science 2025-02-10 Junyang Zhang , Mu Yuan , Ruiguang Zhong , Puhan Luo , Huiyou Zhan , Ningkang Zhang , Chengchen Hu , Xiangyang Li

Vision-Language Models (VLMs) deliver impressive performance in understanding visual content with language instructions. However, redundancy in vision tokens results in the degenerated inference efficiency of VLMs, which hinders real-time…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Qinyu Chen , Jiawen Qi

State Space Models (SSMs) have the advantage of keeping linear computational complexity compared to attention modules in transformers, and have been applied to vision tasks as a new type of powerful vision foundation model. Inspired by the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Zheng Zhan , Zhenglun Kong , Yifan Gong , Yushu Wu , Zichong Meng , Hangyu Zheng , Xuan Shen , Stratis Ioannidis , Wei Niu , Pu Zhao , Yanzhi Wang

Masked language modeling (MLM) is one of the key sub-tasks in vision-language pretraining. In the cross-modal setting, tokens in the sentence are masked at random, and the model predicts the masked tokens given the image and the text. In…

Computation and Language · Computer Science 2021-09-07 Yonatan Bitton , Gabriel Stanovsky , Michael Elhadad , Roy Schwartz

Vision-language models (VLMs) have demonstrated impressive performance by effectively integrating visual and textual information to solve complex tasks. However, it is not clear how these models reason over the visual and textual data…

Artificial Intelligence · Computer Science 2025-04-15 Pouya Pezeshkpour , Moin Aminnaseri , Estevam Hruschka

Recent advances have explored visual token pruning to accelerate the inference of large vision-language models (LVLMs). However, existing methods often struggle to balance token importance and diversity: importance-based methods tend to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Zhaohong Huang , Wenjing Liu , Yuxin Zhang , Fei Chao , Rongrong Ji

We present OmniVLM, a sub-billion-parameter vision-language model for efficient on-device inference. OmniVLM introduces a token compression mechanism that reduces visual token sequence length from 729 to 81 tokens, significantly reducing…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Wei Chen , Zhiyuan Li , Shuo Xin

Large multimodal models (LMMs) often suffer from severe inference inefficiency due to the large number of visual tokens introduced by image encoders. While recent token compression methods, such as pruning and merging, have shown promise in…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Tianfan Peng , Yuntao Du , Pengzhou Ji , Shijie Dong , Kailin Jiang , Mingchuan Ma , Yijun Tian , Jinhe Bi , Qian Li , Wei Du , Feng Xiao , Lizhen Cui

Vision Language Models (VLMs) have achieved remarkable success by integrating visual encoders with large language models (LLMs). While VLMs process dense image tokens across deep transformer stacks (incurring substantial computational…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Sambit Ghosh , R. Venkatesh Babu , Chirag Agarwal

Large language models (LLMs) have demonstrated that large-scale pretraining enables systems to adapt rapidly to new problems with little supervision in the language domain. This success, however, has not translated as effectively to the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Pablo Acuaviva , Aram Davtyan , Mariam Hassan , Sebastian Stapf , Ahmad Rahimi , Alexandre Alahi , Paolo Favaro

Video Language Models (VideoLMs) enable AI systems to understand temporal dynamics in videos. To fit within the maximum context window constraint, current methods use keyframe sampling which often misses both macro-level events and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Sayan Deb Sarkar , Rémi Pautrat , Ondrej Miksik , Marc Pollefeys , Iro Armeni , Mahdi Rad , Mihai Dusmanu

Long video understanding is inherently challenging for vision-language models (VLMs) because of the extensive number of frames. With each video frame typically expanding into tens or hundreds of tokens, the limited context length of large…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Zheyu Zhang , Ziqi Pang , Shixing Chen , Xiang Hao , Vimal Bhat , Yu-Xiong Wang

Vision-Language Models (VLMs) have emerged as a promising paradigm in autonomous driving (AD), providing a unified framework for perception and decision-making. However, their real-world deployment is hindered by significant computational…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Minhao Xiong , Zichen Wen , Zhuangcheng Gu , Xuyang Liu , Rui Zhang , Hengrui Kang , Jiabing Yang , Junyuan Zhang , Weijia Li , Conghui He , Yafei Wang , Linfeng Zhang

Existing Multimodal Large Language Models (MLLMs) process a large number of visual tokens, leading to significant computational costs and inefficiency. Instruction-related visual token compression demonstrates strong task relevance, which…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Lei Lei , Jie Gu , Xiaokang Ma , Chu Tang , Jingmin Chen , Tong Xu