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Related papers: Decomposing Queries into Tool Calls for Long-Video…

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Recently, image-based Large Multimodal Models (LMMs) have made significant progress in video question-answering (VideoQA) using a frame-wise approach by leveraging large-scale pretraining in a zero-shot manner. Nevertheless, these models…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Chuyi Shang , Amos You , Sanjay Subramanian , Trevor Darrell , Roei Herzig

Video processing has become a popular research direction in computer vision due to its various applications such as video summarization, action recognition, etc. Recently, deep learning-based methods have achieved impressive results in…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 G M Mashrur E Elahi , Yee-Hong Yang

Video large language models (Video-LLMs) face high computational costs due to large volumes of visual tokens. Existing token compression methods typically adopt a two-stage spatiotemporal compression strategy, relying on stage-specific…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Junhao Du , Jialong Xue , Anqi Li , Jincheng Dai , Guo Lu

Video Question Answering (VideoQA) has been significantly advanced from the scaling of recent Large Language Models (LLMs). The key idea is to convert the visual information into the language feature space so that the capacity of LLMs can…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Junting Pan , Ziyi Lin , Yuying Ge , Xiatian Zhu , Renrui Zhang , Yi Wang , Yu Qiao , Hongsheng Li

Recent video multimodal large language models (MLLMs) increasingly couple step-by-step reasoning with on-demand visual evidence retrieval, allowing models to revisit relevant video segments during inference. However, two structural gaps…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Peng Zhang , Guanghao Zhang , Wanggui He , Longxiang Zhang , Mushui Liu , Yan Xia , Zhenhao Peng , Weilong Dai , Jinlong Liu , Haobing Tang , Le Zhang , Hao Jiang , Pipei Huang

The rapid proliferation of online video content necessitates effective video summarization techniques. Traditional methods, often relying on a single modality (typically visual), struggle to capture the full semantic richness of videos.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Shuo wang , Jihao Zhang

Large Language Models (LLMs) have recently demonstrated strong capabilities in tool use, yet progress in tool retrieval remains hindered by incomplete and heterogeneous tool documentation. To address this challenge, we introduce Tool-DE, a…

Information Retrieval · Computer Science 2025-10-28 Xuan Lu , Haohang Huang , Rui Meng , Yaohui Jin , Wenjun Zeng , Xiaoyu Shen

Long Video Question-Answering (LVQA) presents a significant challenge for Multi-modal Large Language Models (MLLMs) due to immense context and overloaded information, which could also lead to prohibitive memory consumption. While existing…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Henghui Du , Chunjie Zhang , Xi Chen , Chang Zhou , Di Hu

LLM agents operating over massive, dynamic tool libraries rely on effective retrieval, yet standard single-shot dense retrievers struggle with complex requests. These failures primarily stem from the disconnect between abstract user goals…

Computation and Language · Computer Science 2026-01-13 Wei Fang , James Glass

We propose ReKV, a novel training-free approach that enables efficient streaming video question-answering (StreamingVQA), by seamlessly integrating with existing Video Large Language Models (Video-LLMs). Traditional VideoQA systems struggle…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Shangzhe Di , Zhelun Yu , Guanghao Zhang , Haoyuan Li , Tao Zhong , Hao Cheng , Bolin Li , Wanggui He , Fangxun Shu , Hao Jiang

Given the great interest in creating keyframe summaries from video, it is surprising how little has been done to formalise their evaluation and comparison. User studies are often carried out to demonstrate that a proposed method generates a…

Computer Vision and Pattern Recognition · Computer Science 2017-12-20 Ludmila I. Kuncheva , Paria Yousefi , Iain A. D. Gunn

This paper tackles a recently proposed Video Corpus Moment Retrieval task. This task is essential because advanced video retrieval applications should enable users to retrieve a precise moment from a large video corpus. We propose a novel…

Multimedia · Computer Science 2021-09-22 Zhijian Hou , Chong-Wah Ngo , Wing Kwong Chan

Most text-video retrieval methods utilize the text-image pre-trained models like CLIP as a backbone. These methods process each sampled frame independently by the image encoder, resulting in high computational overhead and limiting…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Leqi Shen , Tianxiang Hao , Tao He , Sicheng Zhao , Yifeng Zhang , Pengzhang Liu , Yongjun Bao , Guiguang Ding

Video large language models (LLMs) achieve strong video understanding by leveraging a large number of spatio-temporal tokens, but suffer from quadratic computational scaling with token count. To address this, we propose a training-free…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Jeongseok Hyun , Sukjun Hwang , Su Ho Han , Taeoh Kim , Inwoong Lee , Dongyoon Wee , Joon-Young Lee , Seon Joo Kim , Minho Shim

Image search stands as a pivotal task in multimedia and computer vision, finding applications across diverse domains, ranging from internet search to medical diagnostics. Conventional image search systems operate by accepting textual or…

Multimedia · Computer Science 2024-04-30 Hongyi Zhu , Jia-Hong Huang , Stevan Rudinac , Evangelos Kanoulas

Video-Question-Answering (VideoQA) comprises the capturing of complex visual relation changes over time, remaining a challenge even for advanced Video Language Models (VLM), i.a., because of the need to represent the visual content to a…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Sofian Chaybouti , Walid Bousselham , Moritz Wolter , Hilde Kuehne

The increasing demand to process long and high-resolution videos significantly burdens Large Vision-Language Models (LVLMs) due to the enormous number of visual tokens. Existing token reduction methods primarily prune tokens based on…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Tianyu Fu , Tengxuan Liu , Qinghao Han , Guohao Dai , Shengen Yan , Huazhong Yang , Xuefei Ning , Yu Wang

We present ControlLLM, a novel framework that enables large language models (LLMs) to utilize multi-modal tools for solving complex real-world tasks. Despite the remarkable performance of LLMs, they still struggle with tool invocation due…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Zhaoyang Liu , Zeqiang Lai , Zhangwei Gao , Erfei Cui , Ziheng Li , Xizhou Zhu , Lewei Lu , Qifeng Chen , Yu Qiao , Jifeng Dai , Wenhai Wang

Multimodal Large Language Models (MLLMs) are widely used for visual perception, understanding, and reasoning. However, long video processing and precise moment retrieval remain challenging due to LLMs' limited context size and coarse frame…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Weiheng Lu , Jian Li , An Yu , Ming-Ching Chang , Shengpeng Ji , Min Xia

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