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Processing long contexts has become a critical capability for modern large language models (LLMs). However, serving long-context LLMs comes with significant inference costs due to the high memory overhead of the key-value (KV) cache.…

Machine Learning · Computer Science 2025-03-04 Qihui Zhou , Peiqi Yin , Pengfei Zuo , James Cheng

Addressing the dual challenges of local redundancy and global dependencies in video understanding, this work innovatively adapts the Mamba to the video domain. The proposed VideoMamba overcomes the limitations of existing 3D convolution…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Kunchang Li , Xinhao Li , Yi Wang , Yinan He , Yali Wang , Limin Wang , Yu Qiao

Expanding the long-context capabilities of Multi-modal Large Language Models~(MLLMs) is critical for advancing video understanding and high-resolution image analysis. Achieving this requires systematic improvements in model architecture,…

Computation and Language · Computer Science 2025-09-24 Xidong Wang , Dingjie Song , Shunian Chen , Junyin Chen , Zhenyang Cai , Chen Zhang , Lichao Sun , Benyou Wang

We introduce a full-stack framework that scales up reasoning in vision-language models (VLMs) to long videos, leveraging reinforcement learning. We address the unique challenges of long video reasoning by integrating three critical…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Yukang Chen , Wei Huang , Baifeng Shi , Qinghao Hu , Hanrong Ye , Ligeng Zhu , Zhijian Liu , Pavlo Molchanov , Jan Kautz , Xiaojuan Qi , Sifei Liu , Hongxu Yin , Yao Lu , Song Han

With the growing scale and complexity of video data, efficiently processing long video sequences poses significant challenges due to the quadratic increase in memory and computational demands associated with existing transformer-based Large…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Hosu Lee , Junho Kim , Hyunjun Kim , Yong Man Ro

We introduce Long-VITA, a simple yet effective large multi-modal model for long-context visual-language understanding tasks. It is adept at concurrently processing and analyzing modalities of image, video, and text over 4K frames or 1M…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Yunhang Shen , Chaoyou Fu , Shaoqi Dong , Xiong Wang , Yi-Fan Zhang , Peixian Chen , Mengdan Zhang , Haoyu Cao , Ke Li , Shaohui Lin , Xiawu Zheng , Yan Zhang , Yiyi Zhou , Ran He , Caifeng Shan , Rongrong Ji , Xing Sun

We introduce TimeViper, a hybrid vision-language model designed to tackle challenges of long video understanding. Processing long videos demands both an efficient model architecture and an effective mechanism for handling extended temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Boshen Xu , Zihan Xiao , Jiaze Li , Jianzhong Ju , Zhenbo Luo , Jian Luan , Qin Jin

Despite advances in Large Multi-modal Models, applying them to long and untrimmed video content remains challenging due to limitations in context length and substantial memory overhead. These constraints often lead to significant…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Junho Kim , Hyunjun Kim , Hosu Lee , Yong Man Ro

Current large multimodal models (LMMs) face significant challenges in processing and comprehending long-duration or high-resolution videos, which is mainly due to the lack of high-quality datasets. To address this issue from a data-centric…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Weiming Ren , Huan Yang , Jie Min , Cong Wei , Wenhu Chen

Diffusion Transformers have demonstrated remarkable performance in video generation. However, their long input sequences incur substantial latency due to the quadratic complexity of full attention. Various sparse attention mechanisms have…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Tongcheng Fang , Hanling Zhang , Ruiqi Xie , Zhuo Han , Xin Tao , Tianchen Zhao , Pengfei Wan , Wenbo Ding , Wanli Ouyang , Xuefei Ning , Yu Wang

Recent advancements in Large Multimodal Models (LMMs) have greatly enhanced their proficiency in 2D visual understanding tasks, enabling them to effectively process and understand images and videos. However, the development of LMMs with 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Chenming Zhu , Tai Wang , Wenwei Zhang , Jiangmiao Pang , Xihui Liu

Large Multimodal Models (LMMs) have demonstrated impressive performance in short video understanding tasks but face great challenges when applied to long video understanding. In contrast, Large Language Models (LLMs) exhibit outstanding…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Hongchen Wei , Zhenzhong Chen

Processing long-form videos with Video Large Language Models (Video-LLMs) is computationally prohibitive. Current efficiency methods often compromise fine-grained perception through irreversible information disposal or inhibit long-range…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Handong Li , Zikang Liu , Longteng Guo , Tongtian Yue , Yepeng Tang , Xinxin Zhu , Chuanyang Zheng , Ziming Wang , Zhibin Wang , Jun Song , Cheng Yu , Bo Zheng , Jing Liu

Video Question Answering (VQA) in long videos poses the key challenge of extracting relevant information and modeling long-range dependencies from many redundant frames. The self-attention mechanism provides a general solution for sequence…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Md Mohaiminul Islam , Tushar Nagarajan , Huiyu Wang , Gedas Bertasius , Lorenzo Torresani

The computational challenges of Large Language Model (LLM) inference remain a significant barrier to their widespread deployment, especially as prompt lengths continue to increase. Due to the quadratic complexity of the attention…

Large Multimodal Models (LMMs) have shown significant visual reasoning capabilities by connecting a visual encoder and a large language model. LMMs typically take in a fixed and large amount of visual tokens, such as the penultimate layer…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Yuzhang Shang , Mu Cai , Bingxin Xu , Yong Jae Lee , Yan Yan

Vision-Language Models (VLMs) are increasingly tasked with ultra-long multimodal understanding. While linear architectures offer constant computation and memory footprints, they often struggle with high-frequency visual perception compared…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Hongyuan Tao , Bencheng Liao , Shaoyu Chen , Haoran Yin , Qian Zhang , Wenyu Liu , Xinggang Wang

Large Language Models (LLMs) have allowed recent LLM-based approaches to achieve excellent performance on long-video understanding benchmarks. We investigate how extensive world knowledge and strong reasoning skills of underlying LLMs…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Kanchana Ranasinghe , Xiang Li , Kumara Kahatapitiya , Michael S. Ryoo

Diffusion Transformers (DiTs) have shown remarkable performance in generating high-quality videos. However, the quadratic complexity of 3D full attention remains a bottleneck in scaling DiT training, especially with high-definition, lengthy…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-02 Xin Tan , Yuetao Chen , Yimin Jiang , Xing Chen , Kun Yan , Nan Duan , Yibo Zhu , Daxin Jiang , Hong Xu

Multimodal Large Language Models (MLLMs) have significantly improved performance across various image-language applications. Recently, there has been a growing interest in adapting image pre-trained MLLMs for video-related tasks. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Mingze Gao , Jingyu Liu , Mingda Li , Jiangtao Xie , Qingbin Liu , Bo Zhao , Xi Chen , Hui Xiong