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Recent advancements in large video-language models have revolutionized video understanding tasks. However, their efficiency is significantly constrained by processing high volumes of visual tokens. Existing token compression strategies…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Xiangchen Wang , Jinrui Zhang , Teng Wang , Haigang Zhang , Feng Zheng

With the rapid proliferation of the Internet of Things, video analytics has become a cornerstone application in wireless multimedia sensor networks. To support such applications under bandwidth constraints, learning-based adaptive…

Multimedia · Computer Science 2025-10-22 Yuheng Wu , Thanh-Tung Nguyen , Lucas Liebe , Quang Tau , Pablo Espinosa Campos , Jinghan Cheng , Dongman Lee

Recently, the remarkable success of pre-trained Vision Transformers (ViTs) from image-text matching has sparked an interest in image-to-video adaptation. However, most current approaches retain the full forward pass for each frame, leading…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Guozhen Zhang , Jingyu Liu , Shengming Cao , Xiaotong Zhao , Kevin Zhao , Kai Ma , Limin Wang

Video large language models have demonstrated remarkable capabilities in video understanding tasks. However, the redundancy of video tokens introduces significant computational overhead during inference, limiting their practical deployment.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yinchao Ma , Qiang Zhou , Zhibin Wang , Xianing Chen , Hanqing Yang , Jun Song , Bo Zheng

The point process is a solid framework to model sequential data, such as videos, by exploring the underlying relevance. As a challenging problem for high-level video understanding, weakly supervised action recognition and localization in…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Xiao-Yu Zhang , Changsheng Li , Haichao Shi , Xiaobin Zhu , Peng Li , Jing Dong

Tokenized visual representations have shown promise in image compression, yet their extension to video remains underexplored due to the challenges posed by complex temporal dynamics and stringent bit rate constraints. In this paper, we…

Image and Video Processing · Electrical Eng. & Systems 2025-11-20 Lebin Zhou , Cihan Ruan , Nam Ling , Zhenghao Chen , Wei Wang , Wei Jiang

Recent advances in Video Large Language Models (VLLMs) have achieved remarkable video understanding capabilities, yet face critical efficiency bottlenecks due to quadratic computational growth with lengthy visual token sequences of long…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Yulin Li , Haokun Gui , Ziyang Fan , Junjie Wang , Bin Kang , Bin Chen , Zhuotao Tian

Image tokenization, the process of transforming raw image pixels into a compact low-dimensional latent representation, has proven crucial for scalable and efficient image generation. However, mainstream image tokenization methods generally…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Kaiwen Zha , Lijun Yu , Alireza Fathi , David A. Ross , Cordelia Schmid , Dina Katabi , Xiuye Gu

Video large multimodal models increasingly face a scalability bottleneck: long videos produce excessively long visual-token sequences, which sharply increase memory and latency during inference. While existing compression methods are…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Kuanwei Lin , Wenhao Zhang , Ge Li

Recent advances in multimodal models highlight the pivotal role of image tokenization in high-resolution image generation. By compressing images into compact latent representations, tokenizers enable generative models to operate in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Qihang Rao , Borui Zhang , Wenzhao Zheng , Jie Zhou , Jiwen Lu

Video question answering benefits from the rich information in videos, enabling various applications. However, the large volume of tokens generated from long videos presents challenges to memory efficiency and model performance. To…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Yumeng Shi , Quanyu Long , Wenya Wang

We introduce a video compression algorithm based on instance-adaptive learning. On each video sequence to be transmitted, we finetune a pretrained compression model. The optimal parameters are transmitted to the receiver along with the…

Image and Video Processing · Electrical Eng. & Systems 2023-06-26 Ties van Rozendaal , Johann Brehmer , Yunfan Zhang , Reza Pourreza , Auke Wiggers , Taco S. Cohen

Recent advances in Video Large Language Models (VLLMs) have significantly enhanced their ability to understand video content. Nonetheless, processing long videos remains challenging due to high computational demands and the redundancy…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Mengyue Wang , Shuo Chen , Kristian Kersting , Volker Tresp , Yunpu Ma

Despite advanced token compression techniques, existing multimodal large language models (MLLMs) still struggle with hour-long video understanding. In this work, we propose Video-XL-Pro, an efficient method for extremely long video…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Xiangrui Liu , Yan Shu , Zheng Liu , Ao Li , Yang Tian , Bo Zhao

Vision transformers have been widely explored in various vision tasks. Due to heavy computational cost, much interest has aroused for compressing vision transformer dynamically in the aspect of tokens. Current methods mainly pay attention…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Fanhu Zeng , Deli Yu , Zhenglun Kong , Hao Tang

Refining visual representations by eliminating their internal feature-level redundancy is crucial for simultaneously optimizing the performance and computational cost of models in visual tracking. To enhance their performance, many…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Weijing Wu , Qihua Liang , Bineng Zhong , Haiying Xia , Zhiyi Mo , Shuxiang Song

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

Recent developments in Transformers have achieved notable strides in enhancing video comprehension. Nonetheless, the O($N^2$) computation complexity associated with attention mechanisms presents substantial computational hurdles when…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Yukun Feng , Yangming Shi , Fengze Liu , Tan Yan

Image tokenization has enabled major advances in autoregressive image generation by providing compressed, discrete representations that are more efficient to process than raw pixels. While traditional approaches use 2D grid tokenization,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Roman Bachmann , Jesse Allardice , David Mizrahi , Enrico Fini , Oğuzhan Fatih Kar , Elmira Amirloo , Alaaeldin El-Nouby , Amir Zamir , Afshin Dehghan

Unified multimodal large language models (MLLMs) aim to unify image understanding and image generation within a single framework, where a shared visual tokenizer serves as the sole interface that maps high-dimensional images into a limited…

Machine Learning · Computer Science 2026-04-07 Lv Tang , Tianyi Zheng , Bo Li , Xingyu Li