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Although large vision-language models (LVLMs) have demonstrated impressive capabilities in multi-modal understanding and reasoning, their practical applications are still limited by massive model parameters and high computational costs.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Ji Ma , Wei Suo , Peng Wang , Yanning Zhang

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

Video understanding represents the most challenging frontier in computer vision, requiring models to reason about complex spatiotemporal relationships, long-term dependencies, and multimodal evidence. The recent emergence of Video-Large…

The application of Large Vision-Language Models (LVLMs) for analyzing images and videos is an exciting and rapidly evolving field. In recent years, we've seen significant growth in high-quality image-text datasets for fine-tuning image…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Han Wang , Yuxiang Nie , Yongjie Ye , Deng GuanYu , Yanjie Wang , Shuai Li , Haiyang Yu , Jinghui Lu , Can Huang

With the increasing attention to pre-trained vision-language models (VLMs), \eg, CLIP, substantial efforts have been devoted to many downstream tasks, especially in test-time adaptation (TTA). However, previous works focus on learning…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Xingyu Zhu , Shuo Wang , Beier Zhu , Miaoge Li , Yunfan Li , Junfeng Fang , Zhicai Wang , Dongsheng Wang , Hanwang Zhang

Large Language Models (LLMs) have been widely used in various tasks, motivating us to develop an LLM-based assistant for videos. Instead of training from scratch, we propose a module to transform arbitrary well-trained image-based LLMs into…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Lishuai Gao , Yujie Zhong , Yingsen Zeng , Haoxian Tan , Dengjie Li , Zheng Zhao

Vision-Language Models (VLMs) leverage aligned visual encoders to transform images into visual tokens, allowing them to be processed similarly to text by the backbone large language model (LLM). This unified input paradigm enables VLMs to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Bangzheng Li , Fei Wang , Wenxuan Zhou , Nan Xu , Ben Zhou , Sheng Zhang , Hoifung Poon , Muhao Chen

Multimodal Large Language Models (MLLMs) have demonstrated significant success in visual understanding tasks. However, challenges persist in adapting these models for video comprehension due to the large volume of data and temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Shaojie Zhang , Jiahui Yang , Jianqin Yin , Zhenbo Luo , Jian Luan

In large vision-language models, visual tokens typically constitute the majority of input tokens, leading to substantial computational overhead. To address this, recent studies have explored pruning redundant or less informative visual…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Sangin Lee , Yukyung Choi

Large Vision-Language Models (LVLMs) excel in visual understanding and reasoning, but the excessive visual tokens lead to high inference costs. Although recent token reduction methods mitigate this issue, they mainly target single-turn…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Yi Wang , Haofei Zhang , Qihan Huang , Anda Cao , Gongfan Fang , Wei Wang , Xuan Jin , Jie Song , Mingli Song , Xinchao Wang

In vision-language models (VLMs), visual tokens usually bear a significant amount of computational overhead despite sparsity of information in them when compared to text tokens. To address this, most existing methods learn a network to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Yuan Zhang , Chun-Kai Fan , Junpeng Ma , Wenzhao Zheng , Tao Huang , Kuan Cheng , Denis Gudovskiy , Tomoyuki Okuno , Yohei Nakata , Kurt Keutzer , Shanghang Zhang

Foundational vision-language models such as CLIP are becoming a new paradigm in vision, due to their excellent generalization abilities. However, adapting these models for downstream tasks while maintaining their generalization remains a…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Muhammad Uzair Khattak , Muhammad Ferjad Naeem , Muzammal Naseer , Luc Van Gool , Federico Tombari

Video action localization aims to find the timings of specific actions from a long video. Although existing learning-based approaches have been successful, they require annotating videos, which comes with a considerable labor cost. This…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Naoki Wake , Atsushi Kanehira , Kazuhiro Sasabuchi , Jun Takamatsu , Katsushi Ikeuchi

Vision-Language Models (VLMs) have achieved remarkable success in various multi-modal tasks, but they are often bottlenecked by the limited context window and high computational cost of processing high-resolution image inputs and videos.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Xubing Ye , Yukang Gan , Xiaoke Huang , Yixiao Ge , Yansong Tang

While Large Multimodal Models (LMMs) have made significant progress, they remain largely text-centric, relying on language as their core reasoning modality. As a result, they are limited in their ability to handle reasoning tasks that are…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Kelvin Li , Chuyi Shang , Leonid Karlinsky , Rogerio Feris , Trevor Darrell , Roei Herzig

Video temporal grounding aims to identify video segments within untrimmed videos that are most relevant to a given natural language query. Existing video temporal localization models rely on specific datasets for training and have high data…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Minghang Zheng , Xinhao Cai , Qingchao Chen , Yuxin Peng , Yang Liu

Large Vision-Language Models (LVLMs) are pivotal for real-world AI tasks like embodied intelligence due to their strong vision-language reasoning abilities. However, current LVLMs process entire images at the token level, which is…

Computation and Language · Computer Science 2025-05-20 Run Luo , Renke Shan , Longze Chen , Ziqiang Liu , Lu Wang , Min Yang , Xiaobo Xia

Vision-Language Models (VLMs) have shown strong performance in zero-shot image classification tasks. However, existing methods, including Contrastive Language-Image Pre-training (CLIP), all rely on annotated text-to-image pairs for aligning…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Dianxing Shi , Dingjie Fu , Yuqiao Liu , Jun Wang

Transformer-based models have driven significant advancements in Multimodal Large Language Models (MLLMs), yet their computational costs surge drastically when scaling resolution, training data, and model parameters. A key bottleneck stems…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Weili Zeng , Ziyuan Huang , Kaixiang Ji , Yichao Yan

In this paper, we introduce PruneVid, a visual token pruning method designed to enhance the efficiency of multi-modal video understanding. Large Language Models (LLMs) have shown promising performance in video tasks due to their extended…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Xiaohu Huang , Hao Zhou , Kai Han