English
Related papers

Related papers: Hierarchical Memory for Long Video QA

200 papers

What does it take to design a machine that learns to answer natural questions about a video? A Video QA system must simultaneously understand language, represent visual content over space-time, and iteratively transform these…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 Thao Minh Le , Vuong Le , Svetha Venkatesh , Truyen Tran

Long-video understanding with multimodal language models suffers from three compounding bottlenecks: heavy decode cost to obtain dense RGB frames, quadratic token growth with frame count, and weak motion perception under sparse keyframe…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Haopeng Jin , Hongzhu Yi , Wenlong Zhao , Jinwen Luo , Shani Ye , Zhenyu Guan , Shiquan Dong , Tiankun Yang , Tao Yu

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…

The challenge of long video understanding lies in its high computational complexity and prohibitive memory cost, since the memory and computation required by transformer-based LLMs scale quadratically with input sequence length. We propose…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Weili Xu , Enxin Song , Wenhao Chai , Xuexiang Wen , Tian Ye , Gaoang Wang

Large-scale video-language pre-training has made remarkable strides in advancing video-language understanding tasks. However, the heavy computational burden of video encoding remains a formidable efficiency bottleneck, particularly for…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Shuhuai Ren , Sishuo Chen , Shicheng Li , Xu Sun , Lu Hou

This thesis report studies methods to solve Visual Question-Answering (VQA) tasks with a Deep Learning framework. As a preliminary step, we explore Long Short-Term Memory (LSTM) networks used in Natural Language Processing (NLP) to tackle…

Computation and Language · Computer Science 2016-10-11 Issey Masuda , Santiago Pascual de la Puente , Xavier Giro-i-Nieto

Recent studies have shown that agent-based systems leveraging large language models (LLMs) for key information retrieval and integration have emerged as a promising approach for long video understanding. However, these systems face two…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Jialong Zuo , Yongtai Deng , Lingdong Kong , Jingkang Yang , Rui Jin , Yiwei Zhang , Nong Sang , Liang Pan , Ziwei Liu , Changxin Gao

Humans share a strong tendency to memorize/forget some of the visual information they encounter. This paper focuses on providing computational models for the prediction of the intrinsic memorability of visual content. To address this new…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Romain Cohendet , Claire-Hélène Demarty , Ngoc Q. K. Duong , Martin Engilberge

The surge in video and social media content underscores the need for a deeper understanding of multimedia data. Most of the existing mature video understanding techniques perform well with short formats and content that requires only…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Yuanxing Xu , Yuting Wei , Bin Wu

This work proposes TimeChat, a time-sensitive multimodal large language model specifically designed for long video understanding. Our model incorporates two key architectural contributions: (1) a timestamp-aware frame encoder that binds…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Shuhuai Ren , Linli Yao , Shicheng Li , Xu Sun , Lu Hou

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

Large Multimodal Models (LMMs) have demonstrated impressive performance in short video understanding tasks but face great challenges when applied to long video understanding. In contrast, Large Language Models (LLMs) exhibit outstanding…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Hongchen Wei , Zhenzhong Chen

State-of-the-art transformer-based large multimodal models (LMMs) struggle to handle hour-long video inputs due to the quadratic complexity of the causal self-attention operations, leading to high computational costs during training and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Weiming Ren , Wentao Ma , Huan Yang , Cong Wei , Ge Zhang , Wenhu Chen

Video question answering benefits from the rich information in videos, enabling various applications. However, the large volume of tokens generated from long videos presents challenges to memory efficiency and model performance. To…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Yumeng Shi , Quanyu Long , Wenya Wang

We present a method to classify objects in video streams using a brain-inspired Hierarchical Temporal Memory (HTM) algorithm. Object classification is a challenging task where humans still significantly outperform machine learning…

Computer Vision and Pattern Recognition · Computer Science 2017-03-03 Maciej Wielgosz , Marcin Pietroń

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

The fundamental challenge in scaling Video Large Language Models (Video LLMs) to long-form video lies in managing the explosion of visual-token context length. Existing strategies predominantly focus on "post-hoc" token reduction --…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Jihwan Kim , Nikhil Parthasarathy , Danfeng Qin , Junhwa Hur , Deqing Sun , Bohyung Han , Ming-Hsuan Yang , Boqing Gong

Video Large Language Models (VideoLLMs) have demonstrated impressive capabilities in video understanding, yet the massive number of input video tokens incurs a significant computational burden for deployment. Existing methods mainly prune…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Yansong Guo , Chaoyang Zhu , Jiayi Ji , Jianghang Lin , Liujuan Cao

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 core challenge for streaming video generation is maintaining the content consistency in long context, which poses high requirement for the memory design. Most existing solutions maintain the memory by compressing historical frames with…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Sihui Ji , Xi Chen , Shuai Yang , Xin Tao , Pengfei Wan , Hengshuang Zhao