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We present LLoVi, a language-based framework for long-range video question-answering (LVQA). Unlike prior long-range video understanding methods, which are often costly and require specialized long-range video modeling design (e.g., memory…

计算机视觉与模式识别 · 计算机科学 2024-10-11 Ce Zhang , Taixi Lu , Md Mohaiminul Islam , Ziyang Wang , Shoubin Yu , Mohit Bansal , Gedas Bertasius

Recent advancements in video large language models (Video LLMs) have significantly advanced the field of video question answering (VideoQA). While existing methods perform well on short videos, they often struggle with long-range reasoning…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Mustafa Chasmai , Gauri Jagatap , Gouthaman KV , Grant Van Horn , Subhransu Maji , Andrea Fanelli

Video question answering (VQA) with vision-language models (VLMs) depends critically on which frames are selected from the input video, yet most systems rely on uniform or heuristic sampling that cannot be optimized for downstream answering…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Xiangyu Bai , Bishoy Galoaa , Sarah Ostadabbas

Multimodal large language models have recently achieved remarkable progress in video question answering (VideoQA) by jointly processing visual, textual, and audio information. However, it remains unclear which video representations are most…

信息检索 · 计算机科学 2025-10-15 Zhi Li , Yanan Wang , Hao Niu , Julio Vizcarra , Masato Taya

Despite remarkable recent progress, existing long-form VideoQA datasets fall short of meeting the criteria for genuine long-form video understanding. This is primarily due to the use of short videos for question curation, and the reliance…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Hongjie Zhang , Lu Dong , Yi Liu , Yifei Huang , Yali Wang , Limin Wang , Yu Qiao

Video Question Answering (VideoQA) models enhance understanding and interaction with audiovisual content, making it more accessible, searchable, and useful for a wide range of fields such as education, surveillance, entertainment, and…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Himanshu Patil , Geo Jolly , Ramana Raja Buddala , Ganesh Ramakrishnan , Rohit Saluja

Current Multimodal Large Language Models (MLLMs) often perform poorly in long video understanding, primarily due to resource limitations that prevent them from processing all video frames and their associated information. Efficiently…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Xuyi Yang , Wenhao Zhang , Hongbo Jin , Lin Liu , Hongbo Xu , Yongwei Nie , Fei Yu , Fei Ma

Long video understanding is a complex task that requires both spatial detail and temporal awareness. While Vision-Language Models (VLMs) obtain frame-level understanding capabilities through multi-frame input, they suffer from information…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Ziyi Wang , Haoran Wu , Yiming Rong , Deyang Jiang , Yixin Zhang , Yunlong Zhao , Shuang Xu , Bo XU

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…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Xinyu Fang , Kangrui Mao , Haodong Duan , Xiangyu Zhao , Yining Li , Dahua Lin , Kai Chen

Large Language Models (LLMs) have allowed recent LLM-based approaches to achieve excellent performance on long-video understanding benchmarks. We investigate how extensive world knowledge and strong reasoning skills of underlying LLMs…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Kanchana Ranasinghe , Xiang Li , Kumara Kahatapitiya , Michael S. Ryoo

Large multimodal models (LMMs) have recently demonstrated remarkable performance in video question answering (VideoQA), yet reasoning over video remains challenging due to high inference cost and diluted information. Keyframe selection…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Minchan Kwon , Hyounguk Shon , Junmo Kim

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…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Martin Q. Ma , Willis Guo , Aditya Agrawal , Ankit Gupta , Paul Pu Liang , Ruslan Salakhutdinov , Louis-Philippe Morency

To address computational and memory limitations of Large Multimodal Models in the Video Question-Answering task, several recent methods extract textual representations per frame (e.g., by captioning) and feed them to a Large Language Model…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Andreas Goulas , Vasileios Mezaris , Ioannis Patras

Video Large Language Models (Video-LLMs) have shown strong video understanding, yet their application to long-form videos remains constrained by limited context windows. A common workaround is to compress long videos into a handful of…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Yun Wang , Long Zhang , Jingren Liu , Jiaqi Yan , Zhanjie Zhang , Jiahao Zheng , Ao Ma , Run Ling , Xun Yang , Dapeng Wu , Xiangyu Chen , Xuelong Li

Empowered by Large Language Models (LLMs), recent advancements in Video-based LLMs (VideoLLMs) have driven progress in various video understanding tasks. These models encode video representations through pooling or query aggregation over a…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Yuetian Weng , Mingfei Han , Haoyu He , Xiaojun Chang , Bohan Zhuang

While vision-language models (VLMs) excel at tasks involving single images or short videos, they still struggle with Long Video Question Answering (LVQA) due to its demand for complex multi-step temporal reasoning. Vanilla approaches, which…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Sahil Shah , S P Sharan , Harsh Goel , Minkyu Choi , Mustafa Munir , Manvik Pasula , Radu Marculescu , Sandeep Chinchali

Long video understanding remains a formidable challenge for Multimodal Large Language Models (MLLMs) due to the prohibitive computational cost of processing dense frame sequences. Prevailing solutions, which select a keyframe subset,…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Shaoguang Wang , Weiyu Guo , Ziyang Chen , Xuming Hu , Hui Xiong

Recent large vision-language models (LVLMs) for video understanding are primarily fine-tuned with various videos scraped from online platforms. Existing datasets, such as ActivityNet, require considerable human labor for structuring and…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Zhende Song , Chenchen Wang , Jiamu Sheng , Chi Zhang , Shengji Tang , Jiayuan Fan , Tao Chen

Despite recent advances in Vision-Language Models (VLMs), long-video understanding remains a challenging problem. Although state-of-the-art long-context VLMs can process around 1000 input frames, they still struggle to effectively leverage…

机器学习 · 计算机科学 2025-07-04 Anurag Arnab , Ahmet Iscen , Mathilde Caron , Alireza Fathi , Cordelia Schmid

Multimodal Large Language Models (MLLMs) have demonstrated significant success in visual understanding tasks. However, challenges persist in adapting these models for video comprehension due to the large volume of data and temporal…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Shaojie Zhang , Jiahui Yang , Jianqin Yin , Zhenbo Luo , Jian Luan
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