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Evaluating short-form video content requires moving beyond surface-level quality metrics toward human-aligned, multimodal reasoning. While existing frameworks like VideoScore-2 assess visual and semantic fidelity, they do not capture how…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Arnav Gupta , Gurekas Singh Sahney , Hardik Rathi , Abhishek Chandwani , Ishaan Gupta , Pratik Narang , Dhruv Kumar

Although long-video understanding demands that models capture hierarchical temporal information -- from clip (seconds) and shot (tens of seconds) to event (minutes) and story (hours) -- existing benchmarks either neglect this multi-scale…

Despite the success of deep learning in video understanding tasks, processing every frame in a video is computationally expensive and often unnecessary in real-time applications. Frame selection aims to extract the most informative and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Mingjun Zhao , Yakun Yu , Xiaoli Wang , Lei Yang , Di Niu

The standard way of training video models entails sampling at each iteration a single clip from a video and optimizing the clip prediction with respect to the video-level label. We argue that a single clip may not have enough temporal…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Xitong Yang , Haoqi Fan , Lorenzo Torresani , Larry Davis , Heng Wang

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

Long video understanding is a key challenge that plagues the advancement of \emph{Multimodal Large language Models} (MLLMs). In this paper, we study this problem from the perspective of visual memory mechanism, and proposed a novel and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Tao Chen , Kun Zhang , Qiong Wu , Xiao Chen , Chao Chang , Xiaoshuai Sun , Yiyi Zhou , Rongrong Ji

Computer-use agents can operate computers and automate laborious tasks, but despite recent rapid progress, they still lag behind human users, especially when tasks require domain-specific procedural knowledge about particular applications,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Yujian Liu , Ze Wang , Hao Chen , Ximeng Sun , Xiaodong Yu , Jialian Wu , Jiang Liu , Emad Barsoum , Zicheng Liu , Shiyu Chang

Bridging vision and natural language is a longstanding goal in computer vision and multimedia research. While earlier works focus on generating a single-sentence description for visual content, recent works have studied paragraph…

Multimedia · Computer Science 2020-05-15 Junnan Li , Yongkang Wong , Qi Zhao , Mohan S. Kankanhalli

While today's video recognition systems parse snapshots or short clips accurately, they cannot connect the dots and reason across a longer range of time yet. Most existing video architectures can only process <5 seconds of a video without…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Chao-Yuan Wu , Yanghao Li , Karttikeya Mangalam , Haoqi Fan , Bo Xiong , Jitendra Malik , Christoph Feichtenhofer

Understanding hour-long videos with multi-modal large language models (MM-LLMs) enriches the landscape of human-centered AI applications. However, for end-to-end video understanding with LLMs, uniformly sampling video frames results in LLMs…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Xinye Cao , Hongcan Guo , Jiawen Qian , Guoshun Nan , Chao Wang , Yuqi Pan , Tianhao Hou , Xiaojuan Wang , Yutong Gao

Recently, multimodal large language models have made significant advancements in video understanding tasks. However, their ability to understand unprocessed long videos is very limited, primarily due to the difficulty in supporting the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Yiwei Sun , Zhihang Liu , Chuanbin Liu , Bowei Pu , Zhihan Zhang , Hongtao Xie

We present a new algorithm for video coding, learned end-to-end for the low-latency mode. In this setting, our approach outperforms all existing video codecs across nearly the entire bitrate range. To our knowledge, this is the first…

Image and Video Processing · Electrical Eng. & Systems 2018-11-20 Oren Rippel , Sanjay Nair , Carissa Lew , Steve Branson , Alexander G. Anderson , Lubomir Bourdev

The recent advent of Large Language Models (LLMs) has ushered sophisticated reasoning capabilities into the realm of video through Video Large Language Models (VideoLLMs). However, VideoLLMs currently rely on a single vision encoder for all…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Jihoon Chung , Tyler Zhu , Max Gonzalez Saez-Diez , Juan Carlos Niebles , Honglu Zhou , Olga Russakovsky

Long video understanding has emerged as an increasingly important yet challenging task in computer vision. Agent-based approaches are gaining popularity for processing long videos, as they can handle extended sequences and integrate various…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Zhuo Zhi , Qiangqiang Wu , Minghe shen , Wenbo Li , Yinchuan Li , Kun Shao , Kaiwen Zhou

Video captioning is the task of automatically generating a textual description of the actions in a video. Although previous work (e.g. sequence-to-sequence model) has shown promising results in abstracting a coarse description of a short…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Xin Wang , Wenhu Chen , Jiawei Wu , Yuan-Fang Wang , William Yang Wang

The rapid growth of video content demands efficient and precise retrieval systems. While vision-language models (VLMs) excel in representation learning, they often struggle with adaptive, time-sensitive video retrieval. This paper…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Yicheng Duan , Xi Huang , Duo Chen

While most modern video understanding models operate on short-range clips, real-world videos are often several minutes long with semantically consistent segments of variable length. A common approach to process long videos is applying a…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Mohamed Afham , Satya Narayan Shukla , Omid Poursaeed , Pengchuan Zhang , Ashish Shah , Sernam Lim

Building on the advances of language models, Large Multimodal Models (LMMs) have contributed significant improvements in video understanding. While the current video LMMs utilize advanced Large Language Models (LLMs), they rely on either…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Muhammad Maaz , Hanoona Rasheed , Salman Khan , Fahad Khan

Experience and reasoning occur across multiple temporal scales: milliseconds, seconds, hours or days. The vast majority of computer vision research, however, still focuses on individual images or short videos lasting only a few seconds.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Olivia Wiles , Joao Carreira , Iain Barr , Andrew Zisserman , Mateusz Malinowski

The advent of always-on personal AI assistants, enabled by all-day wearable devices such as smart glasses, demands a new level of contextual understanding, one that goes beyond short, isolated events to encompass the continuous,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Aniket Rege , Arka Sadhu , Yuliang Li , Kejie Li , Ramya Korlakai Vinayak , Yuning Chai , Yong Jae Lee , Hyo Jin Kim