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Vision transformers have achieved significant improvements on various vision tasks but their quadratic interactions between tokens significantly reduce computational efficiency. Many pruning methods have been proposed to remove redundant…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Sifan Long , Zhen Zhao , Jimin Pi , Shengsheng Wang , Jingdong Wang

Vision-Language Models (VLMs) face a bottleneck of prohibitive computational costs arising from massive visual token sequences during inference. Existing vision token reduction methods alleviate this burden, but they unintentionally…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Yulin Zhao , Yun Wang , Dehua Zheng , Borui jiang , Zheng Zhang

Large Vision-Language Models (LVLMs) rely on dense visual tokens to capture fine-grained visual information, but processing all these tokens incurs substantial computational and memory overhead during inference. To address this issue, we…

Machine Learning · Computer Science 2026-03-24 Xu Li , Yi Zheng , Yuxuan Liang , Zhe Liu , Xiaolei Chen , Haotian Chen , Rui Zhu , Xiangyang Xue

In this work, we present FastAV, the first token pruning framework tailored for audio-visual large language models (AV-LLMs). While token pruning has been actively explored in standard large language models (LLMs) and vision-language models…

Machine Learning · Computer Science 2026-01-21 Chaeyoung Jung , Youngjoon Jang , Seungwoo Lee , Joon Son Chung

Vision-Language Models (VLMs) have achieved remarkable progress in multimodal reasoning and generation, yet their high computational demands remain a major challenge. Diffusion Vision-Language Models (DVLMs) are particularly attractive…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Jingqi Xu , Jingxi Lu , Chenghao Li , Sreetama Sarkar , Souvik Kundu , Peter A. Beerel

Vision-Language-Action (VLA) models have shown remarkable promise in robotics manipulation, yet their high computational cost hinders real-time deployment. Existing token pruning methods suffer from a fundamental trade-off: aggressive…

Robotics · Computer Science 2026-05-19 Yixu Feng , Zinan Zhao , Yanxiang Ma , Chenghao Xia , Chengbin Du , Yunke Wang , Chang Xu

Vision-Language Action (VLA) models have shown remarkable progress in robotic manipulation by leveraging the powerful perception abilities of Vision-Language Models (VLMs) to understand environments and directly output actions. However, by…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Chenyang Li , Jieyuan Liu , Bin Li , Bo Gao , Yilin Yuan , Yangfan He , Yuchen Li , Jingqun Tang

Unlike offline processing, streaming video vision-language models face two fundamental constraints: causality and accumulation. Causality prevents access to future frames that offline methods exploit, while accumulation causes tokens to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Xueyi Chen , Keda Tao , Kele Shao , Huan Wang

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

Multimodal large language models (MLLMs) have shown remarkable performance for cross-modal understanding and generation, yet still suffer from severe inference costs. Recently, abundant works have been proposed to solve this problem with…

Computation and Language · Computer Science 2025-05-30 Zichen Wen , Yifeng Gao , Weijia Li , Conghui He , Linfeng Zhang

Large Vision Language Models show impressive performance across image and video understanding tasks, yet their computational cost grows rapidly with the number of visual tokens. Existing token pruning methods mitigate this issue through…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Dong-Jae Lee , Sunghyun Baek , Junmo Kim

Video Temporal Grounding (VTG) localizes the temporal boundaries of a query-relevant moment in long, untrimmed videos, making video-language-model (VLM) pipelines prohibitively expensive. While recent training-free visual token pruning has…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Jiaqi Li , Shuntian Zheng , Yixian Shen , Jia-Hong Huang , Xiaoman Lu , Minzhe Ni , Yu Guan

Recent advancements in vision-language models (VLMs) have expanded their potential for real-world applications, enabling these models to perform complex reasoning on images. In the widely used fully autoregressive transformer-based models…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Yuxin Wen , Qingqing Cao , Qichen Fu , Sachin Mehta , Mahyar Najibi

KV cache pruning has emerged as a promising technique for reducing memory and computation costs in long-context auto-regressive generation. Existing methods for vision-language models (VLMs) typically rely on self-attention scores from…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Xiaohuan Pei , Tao Huang , Chang Xu

Data quality plays a critical role in enhancing supervised fine-tuning (SFT) for large language models (LLMs), and token-level data selection has emerged as a promising direction for its fine-grained nature. Despite their strong empirical…

Artificial Intelligence · Computer Science 2025-10-22 Xiaohan Qin , Xiaoxing Wang , Ning Liao , Cancheng Zhang , Xiangdong Zhang , Mingquan Feng , Jingzhi Wang , Junchi Yan

Vision Large Language Models (VLLMs) incur high computational costs due to their reliance on hundreds of visual tokens to represent images. While token pruning offers a promising solution for accelerating inference, this paper, however,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yahong Wang , Juncheng Wu , Zhangkai Ni , Longzhen Yang , Yihang Liu , Chengmei Yang , Ying Wen , Lianghua He , Xianfeng Tang , Hui Liu , Yuyin Zhou

Vision-language models (VLMs) rely on long visual token sequences for visual understanding, making the prefill stage expensive in both computation and memory. Most existing pruning methods follow an absolute-ranking paradigm, assigning…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Geng Li , Guohao Chen , Ting Chen , Shilin Shan , Kuangji Zuo , Bofan Lyu , Tuo An , Gen Li , Jianfei Yang

One-stream Transformer-based trackers achieve advanced performance in visual object tracking but suffer from significant computational overhead that hinders real-time deployment. While token pruning offers a path to efficiency, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Hao Wu , Xudong Wang , Jialiang Zhang , Junlong Tong , Xinghao Chen , Junyan Lin , Yunpu Ma , Xiaoyu Shen

Large-scale video-language pre-training has made remarkable strides in advancing video-language understanding tasks. However, the heavy computational burden of video encoding remains a formidable efficiency bottleneck, particularly for…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Shuhuai Ren , Sishuo Chen , Shicheng Li , Xu Sun , Lu Hou

Multi-modal large language models (MLLMs) have achieved remarkable capabilities by integrating visual perception with language understanding, enabling applications such as image-grounded dialogue, visual question answering, and scientific…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Tianyi Bai , Zengjie Hu , Fupeng Sun , Jiantao Qiu , Yizhen Jiang , Guangxin He , Bohan Zeng , Conghui He , Binhang Yuan , Wentao Zhang