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The exponential increase in video content poses significant challenges in terms of efficient navigation, search, and retrieval, thus requiring advanced video summarization techniques. Existing video summarization methods, which heavily rely…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Min Jung Lee , Dayoung Gong , Minsu Cho

We propose a novel supervised learning technique for summarizing videos by automatically selecting keyframes or key subshots. Casting the problem as a structured prediction problem on sequential data, our main idea is to use Long Short-Term…

Computer Vision and Pattern Recognition · Computer Science 2016-08-01 Ke Zhang , Wei-Lun Chao , Fei Sha , Kristen Grauman

Automatic keyframe detection from videos is an exercise in selecting scenes that can best summarize the content for long videos. Providing a summary of the video is an important task to facilitate quick browsing and content summarization.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Samed Arslan , Senem Tanberk

Long video understanding is still challenging for recent Large Video-Language Models (LVLMs) due to the conflict between long-form temporal understanding and detailed spatial perception. LVLMs with a uniform frame sampling mechanism, which…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Shenghao Fu , Qize Yang , Yuan-Ming Li , Xihan Wei , Xiaohua Xie , Wei-Shi Zheng

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

Multimodal large language models (MLLMs) demonstrate exceptional performance in vision-language tasks, yet their processing of long videos is constrained by input context length and high computational costs. Sparse frame sampling thus…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Jianxiang He , Meisheng Hong , Jungang Li , Weiyu Guo , Xuming Hu , Hui Xiong

Integrating vision models into large language models (LLMs) has sparked significant interest in creating vision-language foundation models, especially for video understanding. Recent methods often utilize memory banks to handle untrimmed…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Sakib Reza , Xiyun Song , Heather Yu , Zongfang Lin , Mohsen Moghaddam , Octavia Camps

With the success of large language models (LLMs), integrating the vision model into LLMs to build vision-language foundation models has gained much more interest recently. However, existing LLM-based large multimodal models (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Bo He , Hengduo Li , Young Kyun Jang , Menglin Jia , Xuefei Cao , Ashish Shah , Abhinav Shrivastava , Ser-Nam Lim

Despite recent advances in Video Large Language Models (VideoLLMs), effectively understanding long-form videos remains a significant challenge. Perceiving lengthy videos containing thousands of frames poses substantial computational burden.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Linli Yao , Haoning Wu , Kun Ouyang , Yuanxing Zhang , Caiming Xiong , Bei Chen , Xu Sun , Junnan Li

Long video question answering is a challenging task that involves recognizing short-term activities and reasoning about their fine-grained relationships. State-of-the-art video Large Language Models (vLLMs) hold promise as a viable solution…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Reuben Tan , Ximeng Sun , Ping Hu , Jui-hsien Wang , Hanieh Deilamsalehy , Bryan A. Plummer , Bryan Russell , Kate Saenko

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

Large Vision-Language Models (LVLMs) demonstrate remarkable performance in short-video tasks such as video question answering, but struggle in long-video understanding. The linear frame sampling strategy, conventionally used by LVLMs, fails…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Joao Pereira , Vasco Lopes , David Semedo , Joao Neves

Multimodal Large Language Models (MLLMs) have shown promising progress in understanding and analyzing video content. However, processing long videos remains a significant challenge constrained by LLM's context size. To address this…

Existing large video-language models (LVLMs) struggle to comprehend long videos correctly due to limited context. To address this problem, fine-tuning long-context LVLMs and employing GPT-based agents have emerged as promising solutions.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Yongdong Luo , Xiawu Zheng , Guilin Li , Shukang Yin , Haojia Lin , Chaoyou Fu , Jinfa Huang , Jiayi Ji , Fei Chao , Jiebo Luo , Rongrong Ji

Short video platforms are evolving rapidly, making the identification of inappropriate content increasingly critical. Existing approaches typically train separate and small classification models for each type of issue, which requires…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Zixuan Wang , Yu Sun , Hongwei Wang , Baoyu Jing , Xiang Shen , Xin Dong , Zhuolin Hao , Hongyu Xiong , Yang Song

Multi-modal Large Language Models (MLLMs) struggle with long videos due to the need for excessive visual tokens. These tokens exceed massively the context length of MLLMs, resulting in filled by redundant task-irrelevant shots. How to…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Jian Hu , Zixu Cheng , Chenyang Si , Wei Li , Shaogang Gong

Current Multimodal Large Language Models (MLLMs) often perform poorly in long video understanding, primarily due to resource limitations that prevent them from processing all video frames and their associated information. Efficiently…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Xuyi Yang , Wenhao Zhang , Hongbo Jin , Lin Liu , Hongbo Xu , Yongwei Nie , Fei Yu , Fei Ma

The emergence of Multimodal Large Language Models (MLLMs) has revolutionized image understanding by bridging textual and visual modalities. However, these models often struggle with capturing fine-grained semantic information, such as the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Jie Yang , Wang Zeng , Sheng Jin , Lumin Xu , Wentao Liu , Chen Qian , Zhen Li , Ruimao Zhang

Large language models (LLMs) have enabled the creation of multi-modal LLMs that exhibit strong comprehension of visual data such as images and videos. However, these models usually rely on extensive visual tokens from visual encoders,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Yiwu Zhong , Zhuoming Liu , Yin Li , Liwei Wang

In recent years, the development of Large Language Models (LLMs) has significantly advanced, extending their capabilities to multimodal tasks through Multimodal Large Language Models (MLLMs). However, video understanding remains a…