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Visual Question Answering (VQA) concerns providing answers to Natural Language questions about images. Several deep neural network approaches have been proposed to model the task in an end-to-end fashion. Whereas the task is grounded in…

Artificial Intelligence · Computer Science 2020-02-03 Mehrdad Alizadeh , Barbara Di Eugenio

Recent advancements in Video Large Language Models (VideoLLMs) have enabled strong performance across diverse multimodal video tasks. To reduce the high computational cost of processing dense video frames, efficiency-oriented methods such…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Yeonkyung Lee , Dayun Ju , Youngmin Kim , Seil Kang , Seong Jae Hwang

Recent advancements in Large Video Language Models (LVLMs) have highlighted their potential for multi-modal understanding, yet evaluating their factual grounding in videos remains a critical unsolved challenge. To address this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Meng Cao , Pengfei Hu , Yingyao Wang , Jihao Gu , Haoran Tang , Haoze Zhao , Chen Wang , Jiahua Dong , Wangbo Yu , Ge Zhang , Jun Song , Xiang Li , Bo Zheng , Ian Reid , Xiaodan Liang

Visual Grounding (VG) in Visual Question Answering (VQA) systems describes how well a system manages to tie a question and its answer to relevant image regions. Systems with strong VG are considered intuitively interpretable and suggest an…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Daniel Reich , Felix Putze , Tanja Schultz

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

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…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Ce Zhang , Taixi Lu , Md Mohaiminul Islam , Ziyang Wang , Shoubin Yu , Mohit Bansal , Gedas Bertasius

Video Question Answering (VideoQA) requires identifying sparse critical moments in long videos and reasoning about their causal relationships to answer semantically complex questions. While recent advances in multimodal learning have…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Xinxin Dong , Baoyun Peng , Haokai Ma , Yufei Wang , Zixuan Dong , Fei Hu , Xiaodong Wang

Visual question answering (VQA) has been gaining a lot of traction in the machine learning community in the recent years due to the challenges posed in understanding information coming from multiple modalities (i.e., images, language). In…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Muralikrishnna G. Sethuraman , Ali Payani , Faramarz Fekri , J. Clayton Kerce

The ideal form of Visual Question Answering requires understanding, grounding and reasoning in the joint space of vision and language and serves as a proxy for the AI task of scene understanding. However, most existing VQA benchmarks are…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Kang Chen , Xiangqian Wu

Video Question Answering is a challenging problem in visual information retrieval, which provides the answer to the referenced video content according to the question. However, the existing visual question answering approaches mainly tackle…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Yunan Ye , Zhou Zhao , Yimeng Li , Long Chen , Jun Xiao , Yueting Zhuang

Medical vision--language models (VLMs) have shown strong potential for medical visual question answering (VQA), yet their reasoning remains largely text-centric: images are encoded once as static context, and subsequent inference is…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Suyang Xi , Songtao Hu , Yuxiang Lai , Wangyun Dan , Yaqi Liu , Shansong Wang , Xiaofeng Yang

Existing efforts in text-based video question answering (TextVideoQA) are criticized for their opaque decisionmaking and heavy reliance on scene-text recognition. In this paper, we propose to study Grounded TextVideoQA by forcing models to…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Sheng Zhou , Junbin Xiao , Xun Yang , Peipei Song , Dan Guo , Angela Yao , Meng Wang , Tat-Seng Chua

Recent advances in multimodal LLMs and systems that use tools for long-video QA point to the promise of reasoning over hour-long episodes. However, many methods still compress content into lossy summaries or rely on limited toolsets,…

Artificial Intelligence · Computer Science 2025-12-24 Runtao Liu , Ziyi Liu , Jiaqi Tang , Yue Ma , Renjie Pi , Jipeng Zhang , Qifeng Chen

Video agentic models have advanced challenging video-language tasks. However, most agentic approaches still heavily rely on greedy parsing over densely sampled video frames, resulting in high computational cost. We present VideoSeek, a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Jingyang Lin , Jialian Wu , Jiang Liu , Ximeng Sun , Ze Wang , Xiaodong Yu , Jiebo Luo , Zicheng Liu , Emad Barsoum

Long-form video understanding remains challenging for Vision-Language Models (VLMs) due to the inherent tension between computational constraints and the need to capture information distributed across thousands of frames. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Junbo Zou , Ziheng Huang , Shengjie Zhang , Liwen Zhang , Weining Shen

We explore how reconciling several foundation models (large language models and vision-language models) with a novel unified memory mechanism could tackle the challenging video understanding problem, especially capturing the long-term…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Yue Fan , Xiaojian Ma , Rujie Wu , Yuntao Du , Jiaqi Li , Zhi Gao , Qing Li

Video-language pre-trained models have shown remarkable success in guiding video question-answering (VideoQA) tasks. However, due to the length of video sequences, training large-scale video-based models incurs considerably higher costs…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Guangyi Chen , Xiao Liu , Guangrun Wang , Kun Zhang , Philip H. S. Torr , Xiao-Ping Zhang , Yansong Tang

Currently, inspired by the success of vision-language models (VLMs), an increasing number of researchers are focusing on improving VLMs and have achieved promising results. However, most existing methods concentrate on optimizing the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Dawei Yan , Pengcheng Li , Yang Li , Hao Chen , Qingguo Chen , Weihua Luo , Wei Dong , Qingsen Yan , Haokui Zhang , Chunhua Shen

Large Vision-Language Models (LVLMs) have shown significant progress in video understanding, yet they face substantial challenges in tasks requiring precise spatiotemporal localization at the instance level. Existing methods primarily rely…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Yiming Zhao , Yu Zeng , Wenxuan Huang , Zhen Fang , Qing Miao , Qisheng Su , Jiawei Zhao , Jiayin Cai , Lin Chen , Zehui Chen , Yukun Qi , Yao Hu , Xiaolong Jiang , Feng Zhao

Video understanding requires not only visual recognition but also complex reasoning. While Vision-Language Models (VLMs) demonstrate impressive capabilities, they typically process videos largely in a single-pass manner with limited support…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Hong Gao , Yiming Bao , Xuezhen Tu , Yutong Xu , Yue Jin , Yiyang Mu , Bin Zhong , Linan Yue , Min-Ling Zhang