English
Related papers

Related papers: KTV: Keyframes and Key Tokens Selection for Effici…

200 papers

Long-video understanding (LVU) remains a severe challenge for existing multimodal large language models (MLLMs), primarily due to the prohibitive computational cost. Recent approaches have explored KV compression to mitigate this issue, but…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Minghao Qin , Yan Shu , Peitian Zhang , Kun Lun , Huaying Yuan , Juenjie Zhou , Shitao Xiao , Bo Zhao , Zheng Liu

Video Large Language Models (Video LLMs) incur high inference latency due to a large number of visual tokens provided to LLMs. To address this, training-free visual token pruning has emerged as a solution to reduce computational costs;…

Machine Learning · Computer Science 2026-04-24 Kibum Kim , Jiwan Kim , Kyle Min , Yueqi Wang , Jinyoung Moon , Julian McAuley , Chanyoung Park

As the open community of large language models (LLMs) matures, multimodal LLMs (MLLMs) have promised an elegant bridge between vision and language. However, current research is inherently constrained by challenges such as the need for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Dongsheng Wang , Jiequan Cui , Miaoge Li , Wang Lin , Bo Chen , Hanwang Zhang

Large Vision-Language Models (LVLMs) incur high computational costs due to significant redundancy in their visual tokens. To effectively reduce this cost, researchers have proposed various visual token pruning methods. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Wen Luo , Peng Chen , Xiaotao Huang , LiQun Huang

Video large language models have demonstrated strong video understanding capabilities but suffer from high inference costs due to the massive number of tokens in long videos. Inspired by event-based vision, we propose an event-guided,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Wenhao Xu , Xin Dong , Yue Li , Haoyuan Shi , Zhiwei Xiong

Text-Video Retrieval (TVR) methods typically match query-candidate pairs by aligning text and video features in coarse-grained, fine-grained, or combined (coarse-to-fine) manners. However, these frameworks predominantly employ a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Bingqing Zhang , Zhuo Cao , Heming Du , Xin Yu , Xue Li , Jiajun Liu , Sen Wang

Employing Multimodal Large Language Models (MLLMs) for long video understanding remains a challenging problem due to the dilemma between the substantial number of video frames (i.e., visual tokens) versus the limited context length of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Bo Fang , Wenhao Wu , Qiangqiang Wu , Yuxin Song , Antoni B. Chan

Video editing has recently achieved remarkable progress with diffusion-based generative models, enabling diverse object-level manipulations from natural language instructions. However, existing methods often struggle under occlusion,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Lin Liu , Zhihan Xiao , Haohang Xu , Rong Cong , Zhibo Zhang , Xiaopeng Zhang , Qi Tian

Vision-Language Models (VLMs) are crucial for applications requiring integrated understanding textual and visual information. However, existing VLMs struggle with long videos due to computational inefficiency, memory limitations, and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Anxhelo Diko , Tinghuai Wang , Wassim Swaileh , Shiyan Sun , Ioannis Patras

This paper addresses the critical and underexplored challenge of long video understanding with low computational budgets. We propose LongVideo-R1, an active, reasoning-equipped multimodal large language model (MLLM) agent designed for…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Jihao Qiu , Lingxi Xie , Xinyue Huo , Qi Tian , Qixiang Ye

Video large language models (video LLMs) excel at video comprehension but face significant computational inefficiency due to redundant video tokens. Existing token pruning methods offer solutions. However, approaches operating within the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Kele Shao , Keda Tao , Can Qin , Haoxuan You , Yang Sui , Huan Wang

Robust scene segmentation and keyframe extraction are essential preprocessing steps in video understanding pipelines, supporting tasks such as indexing, summarization, and semantic retrieval. However, existing methods often lack…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Vasilii Korolkov

Multi-modal large language models (MLLMs) have demonstrated considerable potential across various downstream tasks that require cross-domain knowledge. MLLMs capable of processing videos, known as Video-MLLMs, have attracted broad interest…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Jiajun Fei , Dian Li , Zhidong Deng , Zekun Wang , Gang Liu , Hui Wang

Large Multimodal Models (LMMs) uniformly perceive video frames, creating computational inefficiency for videos with inherently varying temporal information density. This paper present \textbf{Quicksviewer}, an LMM with new perceiving…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Ji Qi , Yuan Yao , Yushi Bai , Bin Xu , Juanzi Li , Zhiyuan Liu , Tat-Seng Chua

Video-based quality assurance (QA) for long-form gameplay video is labor-intensive and error-prone, yet valuable for assessing game stability and visual correctness over extended play sessions. Vision language models (VLMs) promise…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Wentao Lu , Alexander Senchenko , Alan Sayle , Abram Hindle , Cor-Paul Bezemer

Token pruning is essential for enhancing the computational efficiency of vision-language models (VLMs), particularly for video-based tasks where temporal redundancy is prevalent. Prior approaches typically prune tokens either (1) within the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Jianrui Zhang , Yue Yang , Rohun Tripathi , Winson Han , Ranjay Krishna , Christopher Clark , Yong Jae Lee , Sangho Lee

Vision-Language Models (VLMs) have become central to autonomous driving systems, yet their deployment is severely bottlenecked by the massive computational overhead of multi-view camera and multi-frame video input. Existing token pruning…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Lin Sha , Haiyun Guo , Tao Wang , Cong Zhang , Min Huang , Jinqiao Wang , Qinghai Miao

Video generation, while capable of generating realistic videos, is computationally expensive and slow, prohibiting real-time applications. In this paper, we observe that video latents encoded via an autoencoder under the Latent Diffusion…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Dennis Menn , Chih-Hsien Chou

Multimodal Large Language Models (MLLMs) suffer from severe training inefficiency issue, which is associated with their massive model sizes and visual token numbers. Existing efforts in efficient training focus on reducing model sizes or…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Dingkun Zhang , Shuhan Qi , Yulin Wu , Xinyu Xiao , Xuan Wang , Long Chen

In this paper, we introduce LightVLM, a simple but effective method that can be seamlessly deployed upon existing Vision-Language Models (VLMs) to greatly accelerate the inference process in a training-free manner. We divide the inference…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Lianyu Hu , Fanhua Shang , Wei Feng , Liang Wan