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Long video understanding poses a significant challenge for current Multi-modal Large Language Models (MLLMs). Notably, the MLLMs are constrained by their limited context lengths and the substantial costs while processing long videos.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Yan Shu , Zheng Liu , Peitian Zhang , Minghao Qin , Junjie Zhou , Zhengyang Liang , Tiejun Huang , Bo Zhao

Long-form multimodal video understanding requires integrating vision, speech, and ambient audio with coherent long-range reasoning. Existing benchmarks emphasize either temporal length or multimodal richness, but rarely both and while some…

The advent of large vision-language models (LVLMs) has spurred research into their applications in multi-modal contexts, particularly in video understanding. Traditional VideoQA benchmarks, despite providing quantitative metrics, often fail…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Xinyu Fang , Kangrui Mao , Haodong Duan , Xiangyu Zhao , Yining Li , Dahua Lin , Kai Chen

A number of computer vision tasks exploit a succinct representation of the visual content in the form of sets of local features. Given an input image, feature extraction algorithms identify a set of keypoints and assign to each of them a…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Luca Baroffio , Matteo Cesana , Alessandro Redondi , Marco Tagliasacchi

Video understanding in multimodal large language models requires selecting informative frames from long, redundant videos under limited visual-token budgets. Existing methods often rely on uniform sampling, point-wise relevance scoring,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Jingfeng Chen , Jiawen Qian , Wendi Deng , Yinuo Guo , Jiaqi Yu , Sicong Leng , Raghuveer Thirukovalluru , Bhuwan Dhingra

Multi-modal large language models (MLLMs) models have made significant progress in video understanding over the past few years. However, processing long video inputs remains a major challenge due to high memory and computational costs. This…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Minghao Qin , Xiangrui Liu , Zhengyang Liang , Yan Shu , Huaying Yuan , Juenjie Zhou , Shitao Xiao , Bo Zhao , Zheng Liu

Omni-modal large language models (om-LLMs) achieve unified audio-visual understanding by encoding video and audio into temporally aligned token sequences interleaved at the window level. However, processing these dense non-textual tokens…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Zijie Xin , Jie Yang , Ruixiang Zhao , Tianyi Wang , Fengyun Rao , Jing Lyu , Xirong Li

Video Large Language Models (Video-LLMs) have made remarkable progress in video understanding tasks. However, they are constrained by the maximum length of input tokens, making it impractical to input entire videos. Existing frame selection…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Sicheng Yu , Chengkai Jin , Huanyu Wang , Zhenghao Chen , Sheng Jin , Zhongrong Zuo , Xiaolei Xu , Zhenbang Sun , Bingni Zhang , Jiawei Wu , Hao Zhang , Qianru Sun

Keyframe selection has become essential for video understanding with vision-language models (VLMs) due to limited input tokens and the temporal sparsity of relevant information across video frames. Video understanding often relies on…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Yuan Zhou , Litao Hua , Shilong Jin , Wentao Huang , Haoran Duan

Recent advancements in Multimodal Large Language Models (MLLMs) have demonstrated impressive capabilities in general visual understanding. However, their application to safety-critical driving scenarios remains limited by an inability to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Tomaso Trinci , Henrique Piñeiro Monteagudo , Leonardo Taccari

Large vision-language models (VLMs) have advanced multimodal tasks such as video question answering (QA). However, VLMs face the challenge of selecting frames effectively and efficiently, as standard uniform sampling is expensive and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Martin Q. Ma , Willis Guo , Aditya Agrawal , Ankit Gupta , Paul Pu Liang , Ruslan Salakhutdinov , Louis-Philippe Morency

Despite great progress, text-driven long video editing is still notoriously challenging mainly due to excessive memory overhead. Although recent efforts have simplified this task into a two-step process of keyframe translation and…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Shuheng Zhang , Yuqi Liu , Hongbo Zhou , Jun Peng , Yiyi Zhou , Xiaoshuai Sun , Rongrong Ji

Language-image pre-training faces significant challenges due to limited data in specific formats and the constrained capacities of text encoders. While prevailing methods attempt to address these issues through data augmentation and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Anjia Cao , Xing Wei , Zhiheng Ma

Multimodal large language models (MLLMs) have made remarkable strides, largely driven by their ability to process increasingly long and complex contexts, such as high-resolution images, extended video sequences, and lengthy audio input.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Kele Shao , Keda Tao , Kejia Zhang , Sicheng Feng , Mu Cai , Yuzhang Shang , Haoxuan You , Can Qin , Yang Sui , Huan Wang

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

Video moment retrieval (MR) and highlight detection (HD) with natural language queries aim to localize relevant moments and key highlights in a video clips. However, existing methods overlook the importance of individual words, treating the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 YuEun Lee , Jung Uk Kim

Video-based quality assurance (QA) for long-form gameplay video is labor-intensive and error-prone, yet valuable for assessing game stability and visual correctness over extended play sessions. Vision language models (VLMs) promise…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Wentao Lu , Alexander Senchenko , Alan Sayle , Abram Hindle , Cor-Paul Bezemer

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…

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

Vision-Language Models (VLMs) have demonstrated strong capabilities in multimodal understanding and generation tasks. However, their application to long video understanding remains hindered by the quadratic complexity of standard attention…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Letian Kang , Shixian Luo , Yiqiang Li , Yuxin Yin , Shenxuan Zhou , Xiaoyang Yu , Jin Yang , Yong Wu