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This paper introduces a novel approach named CrossVideo, which aims to enhance self-supervised cross-modal contrastive learning in the field of point cloud video understanding. Traditional supervised learning methods encounter limitations…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Yunze Liu , Changxi Chen , Zifan Wang , Li Yi

Recent large vision-language models have achieved strong performance on short- and medium-length video understanding, yet they remain inadequate for ultra-long or even infinite video reasoning, where models must preserve coherent memory…

Artificial Intelligence · Computer Science 2026-05-08 Peizheng Yan , Yu Zhao , Liang Xie , Juntong Qi , Mingming Wang , Erwei Yin

Surgical Video Question Answering (VideoQA) provides a promising paradigm for dynamic intraoperative interpretation, enabling real-time decision support and context-aware retrieval in clinical environments. Nevertheless, existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Diandian Guo , Xikai Yang , Ruiyang Li , Jialun Pei , Pheng-Ann Heng

The advent and proliferation of large multi-modal models (LMMs) have introduced new paradigms to computer vision, transforming various tasks into a unified visual question answering framework. Video Quality Assessment (VQA), a classic field…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Ziheng Jia , Zicheng Zhang , Jiaying Qian , Haoning Wu , Wei Sun , Chunyi Li , Xiaohong Liu , Weisi Lin , Guangtao Zhai , Xiongkuo Min

While significant progress has been made in Video Question Answering and cross-modal understanding, causal reasoning about how visual dynamics drive musical structure in music videos remains under-explored. We introduce KARMA-MV, a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Archishman Ghosh , Abhinaba Roy , Dorien Herremans

Multimodal video summarization requires visual features that align semantically with language generation. Traditional approaches rely on CNN features trained for object classification, which represent visual concepts as discrete categories…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Maham Nazir , Muhammad Aqeel , Richong Zhang , Francesco Setti

In deepfake detection, the varying degrees of compression employed by social media platforms pose significant challenges for model generalization and reliability. Although existing methods have progressed from single-modal to multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Ching-Yi Lai , Chih-Yu Jian , Pei-Cheng Chuang , Chia-Ming Lee , Chih-Chung Hsu , Chiou-Ting Hsu , Chia-Wen Lin

We present MCQA, a learning-based algorithm for multimodal question answering. MCQA explicitly fuses and aligns the multimodal input (i.e. text, audio, and video), which forms the context for the query (question and answer). Our approach…

Computation and Language · Computer Science 2020-04-28 Abhishek Kumar , Trisha Mittal , Dinesh Manocha

In this paper, we propose a novel Question-Guided Hybrid Convolution (QGHC) network for Visual Question Answering (VQA). Most state-of-the-art VQA methods fuse the high-level textual and visual features from the neural network and abandon…

Computer Vision and Pattern Recognition · Computer Science 2018-08-09 Peng Gao , Pan Lu , Hongsheng Li , Shuang Li , Yikang Li , Steven Hoi , Xiaogang Wang

Large pre-trained multimodal models have demonstrated significant success in a range of downstream tasks, including image captioning, image-text retrieval, visual question answering (VQA), etc. However, many of these methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Zikang Liu , Sihan Chen , Longteng Guo , Handong Li , Xingjian He , Jing Liu

In high-stakes medical applications, consistent answering across diverse question phrasings is essential for reliable diagnosis. However, we reveal that current Medical Vision-Language Models (Med-VLMs) exhibit concerning fragility in…

Computation and Language · Computer Science 2025-08-27 Songtao Jiang , Yuxi Chen , Sibo Song , Yan Zhang , Yeying Jin , Yang Feng , Jian Wu , Zuozhu Liu

Question categorization and expert retrieval methods have been crucial for information organization and accessibility in community question & answering (CQA) platforms. Research in this area, however, has dealt with only the text modality.…

Computation and Language · Computer Science 2019-05-28 Avikalp Srivastava , Hsin Wen Liu , Sumio Fujita

Video question answering (VideoQA) is a challenging task that requires integrating spatial, temporal, and semantic information to capture the complex dynamics of video sequences. Although recent advances have introduced various approaches…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Zhongyu Yang , Zuhao Yang , Shuo Zhan , Tan Yue , Wei Pang , Yingfang Yuan

In traditional Visual Question Generation (VQG), most images have multiple concepts (e.g. objects and categories) for which a question could be generated, but models are trained to mimic an arbitrary choice of concept as given in their…

Machine Learning · Computer Science 2022-07-27 Nihir Vedd , Zixu Wang , Marek Rei , Yishu Miao , Lucia Specia

In various video-language learning tasks, the challenge of achieving cross-modality alignment with multi-grained data persists. We propose a method to tackle this challenge from two crucial perspectives: data and modeling. Given the absence…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Yicheng Wang , Zhikang Zhang , Jue Wang , David Fan , Zhenlin Xu , Linda Liu , Xiang Hao , Vimal Bhat , Xinyu Li

Medical generative models, acknowledged for their high-quality sample generation ability, have accelerated the fast growth of medical applications. However, recent works concentrate on separate medical generation models for distinct medical…

Image and Video Processing · Electrical Eng. & Systems 2024-03-08 Chenlu Zhan , Yu Lin , Gaoang Wang , Hongwei Wang , Jian Wu

Financial documents--such as 10-Ks, 10-Qs, and investor presentations--span hundreds of pages and combine diverse modalities, including dense narrative text, structured tables, and complex figures. Answering questions over such content…

Computation and Language · Computer Science 2026-04-13 Chinmay Gondhalekar , Urjitkumar Patel , Fang-Chun Yeh

Recent advances in multimodal vision and language modeling have predominantly focused on the English language, mostly due to the lack of multilingual multimodal datasets to steer modeling efforts. In this work, we address this gap and…

Computation and Language · Computer Science 2022-03-18 Jonas Pfeiffer , Gregor Geigle , Aishwarya Kamath , Jan-Martin O. Steitz , Stefan Roth , Ivan Vulić , Iryna Gurevych

Multimodal Large Language Models (MLLMs) perform well in video understanding but degrade on long videos due to fixed-length context and weak long-term dependency modeling. Retrieval-Augmented Generation (RAG) can expand knowledge…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Zhucun Xue , Jiangning Zhang , Xurong Xie , Yuxuan Cai , Yong Liu , Xiangtai Li , Dacheng Tao

Fact-based Visual Question Answering (FVQA) requires external knowledge beyond visible content to answer questions about an image, which is challenging but indispensable to achieve general VQA. One limitation of existing FVQA solutions is…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Zihao Zhu , Jing Yu , Yujing Wang , Yajing Sun , Yue Hu , Qi Wu