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In recent times, Vision-Language Models (VLMs) have been trained under two predominant paradigms. Generative training has enabled Multimodal Large Language Models (MLLMs) to tackle various complex tasks, yet issues such as hallucinations…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Wei Chow , Juncheng Li , Qifan Yu , Kaihang Pan , Hao Fei , Zhiqi Ge , Shuai Yang , Siliang Tang , Hanwang Zhang , Qianru Sun

Long videos, ranging from minutes to hours, present significant challenges for current Multi-modal Large Language Models (MLLMs) due to their complex events, diverse scenes, and long-range dependencies. Direct encoding of such videos is…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Zizhong Li , Haopeng Zhang , Jiawei Zhang

We introduce a multi-modal diffusion model tailored for the bi-directional conditional generation of video and audio. We propose a joint contrastive training loss to improve the synchronization between visual and auditory occurrences. We…

Machine Learning · Computer Science 2024-10-10 Ruihan Yang , Hannes Gamper , Sebastian Braun

Despite remarkable progress toward general-purpose video models, a critical question remains unanswered: how far are these models from achieving true multimodal reasoning? Existing benchmarks fail to address this question rigorously, as…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Xiaotian Zhang , Jianhui Wei , Yuan Wang , Jie Tan , Yichen Li , Yan Zhang , Ziyi Chen , Daoan Zhang , Dezhi YU , Wei Xu , Songtao Jiang , Zuozhu Liu

We study video-grounded dialogue generation, where a response is generated based on the dialogue context and the associated video. The primary challenges of this task lie in (1) the difficulty of integrating video data into pre-trained…

Computation and Language · Computer Science 2022-10-25 Xueliang Zhao , Yuxuan Wang , Chongyang Tao , Chenshuo Wang , Dongyan Zhao

Multimodal Contrastive Learning (MCL) advances in aligning different modalities and generating multimodal representations in a joint space. By leveraging contrastive learning across diverse modalities, large-scale multimodal data enhances…

Machine Learning · Computer Science 2025-09-23 Xiaohao Liu , Xiaobo Xia , See-Kiong Ng , Tat-Seng Chua

The MEDIQA-M3G 2024 challenge necessitates novel solutions for Multilingual & Multimodal Medical Answer Generation in dermatology (wai Yim et al., 2024a). This paper addresses the limitations of traditional methods by proposing a weakly…

Computation and Language · Computer Science 2024-05-06 Nadia Saeed

Training multimodal large language models (MLLMs) for video understanding requires large-scale annotated data spanning diverse tasks such as object counting, question answering, and segmentation. However, collecting and annotating…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Tanzila Rahman , Renjie Liao , Leonid Sigal

Large Language Models(LLMs) have revolutionized text generation and multimodal perception,but their capabilities in 3D content generation remain underexplored. Existing methods compromise by producing either low-resolution meshes or coarse…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Junming Huang , Chi Wang , Letian Li , Guangkai Xu , Donglin Huang , Hao Chen , Qiang Dai , Weiwei Xu

Medical visual question answering (Med-VQA) is a crucial multimodal task in clinical decision support and telemedicine. Recent self-attention based methods struggle to effectively handle cross-modal semantic alignments between vision and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Qiangguo Jin , Xianyao Zheng , Hui Cui , Changming Sun , Yuqi Fang , Cong Cong , Ran Su , Leyi Wei , Ping Xuan , Junbo Wang

As a combination of visual and audio signals, video is inherently multi-modal. However, existing video generation methods are primarily intended for the synthesis of visual frames, whereas audio signals in realistic videos are disregarded.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Jiawei Liu , Weining Wang , Sihan Chen , Xinxin Zhu , Jing Liu

We propose a unified approach for bottom-up hierarchical image segmentation and object proposal generation for recognition, called Multiscale Combinatorial Grouping (MCG). For this purpose, we first develop a fast normalized cuts algorithm.…

Computer Vision and Pattern Recognition · Computer Science 2016-03-02 Jordi Pont-Tuset , Pablo Arbelaez , Jonathan T. Barron , Ferran Marques , Jitendra Malik

Multi-hop Question Generation (QG) aims to generate answer-related questions by aggregating and reasoning over multiple scattered evidence from different paragraphs. It is a more challenging yet under-explored task compared to conventional…

Computation and Language · Computer Science 2021-02-10 Dan Su , Yan Xu , Wenliang Dai , Ziwei Ji , Tiezheng Yu , Pascale Fung

With the recent success of the pre-training technique for NLP and image-linguistic tasks, some video-linguistic pre-training works are gradually developed to improve video-text related downstream tasks. However, most of the existing…

Computer Vision and Pattern Recognition · Computer Science 2020-09-16 Huaishao Luo , Lei Ji , Botian Shi , Haoyang Huang , Nan Duan , Tianrui Li , Jason Li , Taroon Bharti , Ming Zhou

We present M$^3$-VQA, a novel knowledge-based Visual Question Answering (VQA) benchmark, to enhance the evaluation of multimodal large language models (MLLMs) in fine-grained multimodal entity understanding and complex multi-hop reasoning.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Jiatong Ma , Longteng Guo , Yuchen Liu , Zijia Zhao , Dongze Hao , Xuanxu Lin , Jing Liu

Medical visual question answering (VQA) is a challenging multimodal task, where Vision-Language Pre-training (VLP) models can effectively improve the generalization performance. However, most methods in the medical field treat VQA as an…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Jiawei Chen , Dingkang Yang , Yue Jiang , Yuxuan Lei , Lihua Zhang

Question Answering (QA) systems have traditionally relied on structured text data, but the rapid growth of multimedia content (images, audio, video, and structured metadata) has introduced new challenges and opportunities for…

Information Retrieval · Computer Science 2025-10-24 Rahul Raja , Arpita Vats

Recent years have witnessed impressive results of pre-trained vision-language models on knowledge-intensive tasks such as visual question answering (VQA). Despite the recent advances in VQA, existing methods mainly adopt a discriminative…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Timothy Ossowski , Junjie Hu

The increasing availability of multimodal data across text, tables, and images presents new challenges for developing models capable of complex cross-modal reasoning. Existing methods for Multimodal Multi-hop Question Answering (MMQA) often…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Qi Zhi Lim , Chin Poo Lee , Kian Ming Lim , Kalaiarasi Sonai Muthu Anbananthen

Generalized Category Discovery (GCD) is an emerging and challenging open-world problem that has garnered increasing attention in recent years. Most existing GCD methods focus on discovering categories in static images. However, relying…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Zhang Jing , Pu Nan , Xie Yu Xiang , Guo Yanming , Lu Qianqi , Zou Shiwei , Yan Jie , Chen Yan
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