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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

This paper presents Audio-Visual LLM, a Multimodal Large Language Model that takes both visual and auditory inputs for holistic video understanding. A key design is the modality-augmented training, which involves the integration of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Fangxun Shu , Lei Zhang , Hao Jiang , Cihang Xie

While Large Vision-Language Models (LVLMs) have achieved substantial progress in video understanding, their application to long video reasoning is hindered by uniform frame sampling and static textual reasoning, which are inefficient and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Zefeng He , Xiaoye Qu , Yafu Li , Siyuan Huang , Daizong Liu , Yu Cheng

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

Multimodal Large Language Models (MLLMs) have demonstrated significant progress in vision-language tasks, yet they still face challenges when processing long-duration video inputs. The limitation arises from MLLMs' context limit and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Canhui Tang , Zifan Han , Hongbo Sun , Sanping Zhou , Xuchong Zhang , Xin Wei , Ye Yuan , Huayu Zhang , Jinglin Xu , Hao Sun

Recent Video-Language Models (VLMs) achieve promising results on long-video understanding, but their performance still lags behind that achieved on tasks involving images or short videos. This has led to great interest in improving the long…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Lars Doorenbos , Federico Spurio , Juergen Gall

Recent advances in video-large language models (Video-LLMs) have led to significant progress in video understanding. Current preference optimization methods often rely on proprietary APIs or human-annotated captions to generate preference…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Yogesh Kulkarni , Pooyan Fazli

Video Large Language Models (Video-LLMs) have shown strong video understanding, yet their application to long-form videos remains constrained by limited context windows. A common workaround is to compress long videos into a handful of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yun Wang , Long Zhang , Jingren Liu , Jiaqi Yan , Zhanjie Zhang , Jiahao Zheng , Ao Ma , Run Ling , Xun Yang , Dapeng Wu , Xiangyu Chen , Xuelong Li

Multi-modal Large Language Models (MLLMs) capable of video understanding are advancing rapidly. To effectively assess their video comprehension capabilities, long video understanding benchmarks, such as Video-MME and MLVU, are proposed.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Xichen Tan , Yunfan Ye , Yuanjing Luo , Qian Wan , Fang Liu , Zhiping Cai

Large Language Models (LLMs) demonstrate strong capabilities in general coding tasks but encounter two key challenges when optimizing code: (i) the complexity of writing optimized code (such as performant CUDA kernels and competition-level…

Machine Learning · Computer Science 2026-01-12 Jiefu Ou , Sapana Chaudhary , Kaj Bostrom , Nathaniel Weir , Shuai Zhang , Huzefa Rangwala , George Karypis

Training-free video understanding leverages the strong image comprehension capabilities of pre-trained vision language models (VLMs) by treating a video as a sequence of static frames, thus obviating the need for costly video-specific…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Baiyang Song , Jun Peng , Yuxin Zhang , Guangyao Chen , Feidiao Yang , Jianyuan Guo

In this paper, we introduce PruneVid, a visual token pruning method designed to enhance the efficiency of multi-modal video understanding. Large Language Models (LLMs) have shown promising performance in video tasks due to their extended…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Xiaohu Huang , Hao Zhou , Kai Han

Video Multimodal Large Language Models (MLLMs) have shown remarkable capability of understanding the video semantics on various downstream tasks. Despite the advancements, there is still a lack of systematic research on visual context…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Yifan Du , Yuqi Huo , Kun Zhou , Zijia Zhao , Haoyu Lu , Han Huang , Wayne Xin Zhao , Bingning Wang , Weipeng Chen , Ji-Rong Wen

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

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

The rapid increase in the amount of published visual data and the limited time of users bring the demand for processing untrimmed videos to produce shorter versions that convey the same information. Despite the remarkable progress that has…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Washington Ramos , Michel Silva , Edson Araujo , Leandro Soriano Marcolino , Erickson Nascimento

We propose SlowFast-LLaVA (or SF-LLaVA for short), a training-free video large language model (LLM) that can jointly capture detailed spatial semantics and long-range temporal context without exceeding the token budget of commonly used…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Mingze Xu , Mingfei Gao , Zhe Gan , Hong-You Chen , Zhengfeng Lai , Haiming Gang , Kai Kang , Afshin Dehghan

A well-known dilemma in large vision-language models (e.g., GPT-4, LLaVA) is that while increasing the number of vision tokens generally enhances visual understanding, it also significantly raises memory and computational costs, especially…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Shiwei Wu , Joya Chen , Kevin Qinghong Lin , Qimeng Wang , Yan Gao , Qianli Xu , Tong Xu , Yao Hu , Enhong Chen , Mike Zheng Shou

Adapting Multimodal Large Language Models (MLLMs) for hour-long videos is bottlenecked by context limits. Dense visual streams saturate token budgets and exacerbate the lost-in-the-middle phenomenon. Existing heuristics, like sparse…

Effective model and hyperparameter selection remains a major challenge in deep learning, often requiring extensive expertise and computation. While AutoML and large language models (LLMs) promise automation, current LLM-based approaches…

Machine Learning · Computer Science 2025-10-08 Mohamed Bal-Ghaoui , Mohammed Tiouti