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Vision-language models (VLMs) have demonstrated impressive multimodal comprehension capabilities and are being deployed in an increasing number of online video understanding applications. While recent efforts extensively explore advancing…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-08 Shengyuan Ye , Bei Ouyang , Tianyi Qian , Liekang Zeng , Mu Yuan , Xiaowen Chu , Weijie Hong , Xu Chen

Recent advances in Multi-Modal Large Language Models (M-LLMs) show promising results in video reasoning. Popular Multi-Modal Large Language Model (M-LLM) frameworks usually apply naive uniform sampling to reduce the number of video frames…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Kai Hu , Feng Gao , Xiaohan Nie , Peng Zhou , Son Tran , Tal Neiman , Lingyun Wang , Mubarak Shah , Raffay Hamid , Bing Yin , Trishul Chilimbi

Segmenting video content into events provides semantic structures for indexing, retrieval, and summarization. Since motion cues are not available in continuous photo-streams, and annotations in lifelogging are scarce and costly, the frames…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Ana Garcia del Molino , Joo-Hwee Lim , Ah-Hwee Tan

Selecting informative frames from long videos is a combinatorial problem that existing methods address either through efficient heuristics without explicit modeling of query-conditioned temporal structure, or through multi stage retrieval…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Mehrajul Abadin Miraj , Abdul Mohaimen Al Radi , Shariful Islam Rayhan , Md. Tanvir Alam , Ismat Rahman , Yu Tian , Md Mosaddek Khan

Multimodal Large Language Models (MLLMs) have demonstrated significant capabilities in image understanding, but long-video are constrained by context windows and computational cost. Uniform frame sampling often leads to substantial…

Machine Learning · Computer Science 2025-10-17 Yifeng Yao , Yike Yun , Jing Wang , Huishuai Zhang , Dongyan Zhao , Ke Tian , Zhihao Wang , Minghui Qiu , Tao Wang

With recent advancements in video backbone architectures, combined with the remarkable achievements of large language models (LLMs), the analysis of long-form videos spanning tens of minutes has become both feasible and increasingly…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Yuxiao Chen , Jue Wang , Zhikang Zhang , Jingru Yi , Xu Zhang , Yang Zou , Zhaowei Cai , Jianbo Yuan , Xinyu Li , Hao Yang , Davide Modolo

Many of the recent successful methods for video object segmentation (VOS) are overly complicated, heavily rely on fine-tuning on the first frame, and/or are slow, and are hence of limited practical use. In this work, we propose FEELVOS as a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Paul Voigtlaender , Yuning Chai , Florian Schroff , Hartwig Adam , Bastian Leibe , Liang-Chieh Chen

The application of Large Multimodal Models (LMMs) to long-form video understanding is constrained by limited context lengths and the computationally prohibitive cost of processing dense video tokens. Consequently, recent research has…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Jialuo Li , Bin Li , Jiahao Li , Yan Lu

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

The event-based Vision-Language Model (VLM) recently has made good progress for practical vision tasks. However, most of these works just utilize CLIP for focusing on traditional perception tasks, which obstruct model understanding…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Pengteng Li , Yunfan Lu , Pinghao Song , Wuyang Li , Huizai Yao , Hui Xiong

Recent progress in multi-modal large language models (MLLMs) has significantly advanced video understanding. However, their performance on long-form videos remains limited by computational constraints and suboptimal frame selection. We…

Computer Vision and Pattern Recognition · Computer Science 2026-01-19 Wenhui Tan , Ruihua Song , Jiaze Li , Jianzhong Ju , Zhenbo Luo

Video large language models have demonstrated strong video understanding capabilities but suffer from high inference costs due to the massive number of tokens in long videos. Inspired by event-based vision, we propose an event-guided,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Wenhao Xu , Xin Dong , Yue Li , Haoyuan Shi , Zhiwei Xiong

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

Understanding long-form videos remains a significant challenge for vision--language models (VLMs) due to their extensive temporal length and high information density. Most current multimodal large language models (MLLMs) rely on uniform…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Xian Zhang , Zexi Wu , Zinuo Li , Hongming Xu , Luqi Gong , Farid Boussaid , Naoufel Werghi , Mohammed Bennamoun

Benefiting from the advances in large language models and cross-modal alignment, existing multimodal large language models have achieved prominent performance in image and short video understanding. However, the understanding of long videos…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Haoji Zhang , Yiqin Wang , Yansong Tang , Yong Liu , Jiashi Feng , Xiaojie Jin

Event camera, a bio-inspired asynchronous triggered camera, offers promising prospects for fusion with frame-based cameras owing to its low latency and high dynamic range. However, calibrating stereo vision systems that incorporate both…

Robotics · Computer Science 2024-10-07 Shaoan Wang , Zhanhua Xin , Yaoqing Hu , Dongyue Li , Mingzhu Zhu , Junzhi Yu

Long-form video question answering (VQA) overwhelms current vision-language models (VLMs) because attention and key-value (KV) caches grow with runtime, forcing either expensive inference or near-sighted sliding windows. We introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Shrenik Patel , Daivik Patel

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

The bio-inspired event cameras or dynamic vision sensors are capable of asynchronously capturing per-pixel brightness changes (called event-streams) in high temporal resolution and high dynamic range. However, the non-structural…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Qiang Qu , Yiran Shen , Xiaoming Chen , Yuk Ying Chung , Tongliang Liu

The practical application of Multimodal Large Language Models (MLLMs) to Video Question Answering (Video-QA) is severely hindered by the high token cost of processing numerous video frames. While keyframe selection is the dominant strategy…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Shaoguang Wang , Weiyu Guo , Ziyang Chen , Yijie Xu , Xuming Hu , Hui Xiong