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Video Large Language Models (Video-LLMs) excel at understanding videos in-context, provided they have full access to the video when answering queries. However, these models face challenges in streaming scenarios where hour-long videos must…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Vaggelis Dorovatas , Soroush Seifi , Gunshi Gupta , Rahaf Aljundi

Modern multimodal large language models (MLLMs) typically keep the language model fixed and train a visual projector that maps the pixels into a sequence of tokens in its embedding space, so that images can be presented in essentially the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Hyun Lee , Hyemin Jeong , Yejin Kim , Hyungwook Choi , Hyunsoo Cho , Soo Kyung Kim , Joonseok Lee

This paper presents the \textbf{S}emantic-a\textbf{W}ar\textbf{E} spatial-t\textbf{E}mporal \textbf{T}okenizer (SweetTok), a novel video tokenizer to overcome the limitations in current video tokenization methods for compacted yet effective…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Zhentao Tan , Ben Xue , Jian Jia , Junhao Wang , Wencai Ye , Shaoyun Shi , Mingjie Sun , Wenjin Wu , Quan Chen , Peng Jiang

We introduce ProVideLLM, an end-to-end framework for real-time procedural video understanding. ProVideLLM integrates a multimodal cache configured to store two types of tokens - verbalized text tokens, which provide compressed textual…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Dibyadip Chatterjee , Edoardo Remelli , Yale Song , Bugra Tekin , Abhay Mittal , Bharat Bhatnagar , Necati Cihan Camgöz , Shreyas Hampali , Eric Sauser , Shugao Ma , Angela Yao , Fadime Sener

Video super-resolution (VSR) aims to restore a sequence of high-resolution (HR) frames from their low-resolution (LR) counterparts. Although some progress has been made, there are grand challenges to effectively utilize temporal dependency…

Image and Video Processing · Electrical Eng. & Systems 2022-04-21 Chengxu Liu , Huan Yang , Jianlong Fu , Xueming Qian

Real-time transmission of video over wireless networks remains highly challenging, even with advanced deep models, particularly under severe channel conditions such as limited bandwidth and weak connectivity. In this paper, we propose…

Information Theory · Computer Science 2025-10-30 Zhenyu Liu , Yi Ma , Rahim Tafazolli , Zhi Ding

Vision-Language Models (VLMs) excel at reasoning in linguistic space but struggle with perceptual understanding that requires dense visual perception, e.g., spatial reasoning and geometric awareness. This limitation stems from the fact that…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Yiming Qin , Bomin Wei , Jiaxin Ge , Konstantinos Kallidromitis , Stephanie Fu , Trevor Darrell , XuDong Wang

Current multimodal large language models (MLLMs) face significant challenges in visual document understanding (VDU) tasks due to the high resolution, dense text, and complex layouts typical of document images. These characteristics demand a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Jiaxin Zhang , Wentao Yang , Songxuan Lai , Zecheng Xie , Lianwen Jin

Vision-Language Models (VLMs) demonstrate impressive performance in understanding visual content with language instruction by converting visual inputs to vision tokens. However, redundancy in vision tokens results in the degraded inference…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Sixun Dong , Juhua Hu , Mian Zhang , Ming Yin , Yanjie Fu , Qi Qian

Vision-Language Models (VLMs) have demonstrated impressive performance across a versatile set of tasks. A key challenge in accelerating VLMs is storing and accessing the large Key-Value (KV) cache that encodes long visual contexts, such as…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Dezhan Tu , Danylo Vashchilenko , Yuzhe Lu , Panpan Xu

Generating consistent long videos is a complex challenge: while diffusion-based generative models generate visually impressive short clips, extending them to longer durations often leads to memory bottlenecks and long-term inconsistency. In…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Wenqi Ouyang , Zeqi Xiao , Danni Yang , Yifan Zhou , Shuai Yang , Lei Yang , Jianlou Si , Xingang Pan

Video tokenizers are essential for latent video diffusion models, converting raw video data into spatiotemporally compressed latent spaces for efficient training. However, extending state-of-the-art video tokenizers to achieve a temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Aniruddha Mahapatra , Long Mai , David Bourgin , Yitian Zhang , Feng Liu

Recent advances in Video Large Language Models (Video-LLMs) have greatly expanded multimodal reasoning capabilities. However, the massive number of visual tokens extracted from long video sequences incurs prohibitive computational costs,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Minyoung Park , Taehun Kong , Sangjun Ahn

Audio-Visual Large Language Models (AV-LLMs) face prohibitive computational overhead from massive audio and video tokens. Token reduction, while extensively explored for video-only LLMs, is insufficient for the audio-visual domain, as these…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Chao Gong , Depeng Wang , Zhipeng Wei , Ya Guo , Huijia Zhu , Jingjing Chen

In video Multimodal Large Language Models (video MLLMs), the visual encapsulation process plays a pivotal role in converting video contents into representative tokens for LLM input. While linear projectors are widely employed for…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Jiahe Zhao , Rongkun Zheng , Yi Wang , Helin Wang , Hengshuang Zhao

Fully test-time adaptation aims to adapt the network model based on sequential analysis of input samples during the inference stage to address the cross-domain performance degradation problem of deep neural networks. This work is based on…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Yushun Tang , Shuoshuo Chen , Zhehan Kan , Yi Zhang , Qinghai Guo , Zhihai He

Existing Multimodal Large Language Models (MLLMs) suffer from increased inference costs due to the additional vision tokens introduced by image inputs. In this work, we propose Visual Consistency Learning (ViCO), a novel training algorithm…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Long Cui , Weiyun Wang , Jie Shao , Zichen Wen , Gen Luo , Linfeng Zhang , Yanting Zhang , Yu Qiao , Wenhai Wang

The success of VLMs often relies on the dynamic high-resolution schema that adaptively augments the input images to multiple crops, so that the details of the images can be retained. However, such approaches result in a large number of…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Jiayi Han , Liang Du , Yiwen Wu , Xiangguo Zhou , Hongwei Du , Weibo Zheng

Long video understanding is a complex task that requires both spatial detail and temporal awareness. While Vision-Language Models (VLMs) obtain frame-level understanding capabilities through multi-frame input, they suffer from information…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Ziyi Wang , Haoran Wu , Yiming Rong , Deyang Jiang , Yixin Zhang , Yunlong Zhao , Shuang Xu , Bo XU

With recent rapid growth of large language models (LLMs), discrete speech tokenization has played an important role for injecting speech into LLMs. However, this discretization gives rise to a loss of information, consequently impairing…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-23 Zhichao Huang , Chutong Meng , Tom Ko