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Perception is a fundamental task in the field of computer vision, encompassing a diverse set of subtasks that can be systematically categorized into four distinct groups based on two dimensions: prediction type and instruction type.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Wentao Xiang , Haoxian Tan , Cong Wei , Yujie Zhong , Dengjie Li , Yujiu Yang

Large Vision-Language Models (LVLMs) demonstrate remarkable performance in short-video tasks such as video question answering, but struggle in long-video understanding. The linear frame sampling strategy, conventionally used by LVLMs, fails…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Joao Pereira , Vasco Lopes , David Semedo , Joao Neves

Metaphorical videos are prevalent across various real-world scenarios to convey complex ideas, and understanding them typically requires high-order cognitive capabilities. The lack of systematic studies on metaphorical video understanding…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Zhuoqun Li , Boxi Cao , Guiping Jiang , Fangrui Lv , Ruotong Pan , Jianan Wang , Xiangyu Wu , Hongyu Lin , Yaojie Lu , Yong Du , Ruyin Jia , Liyan , Tingting Gao , Han Li , Xianpei Han , Le Sun

Fully immersive experiences that tightly integrate 6-DoF visual and auditory interaction are essential for virtual and augmented reality. While such experiences can be achieved through computer-generated content, constructing them directly…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Zhengxian Yang , Shengqi Wang , Shi Pan , Hongshuai Li , Haoxiang Wang , Lin Li , Guanjun Li , Zhengqi Wen , Borong Lin , Jianhua Tao , Tao Yu

Audio is essential for multimodal video understanding. On the one hand, video inherently contains audio, which supplies complementary information to vision. Besides, video large language models (Video-LLMs) can encounter many audio-centric…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Yuxin Guo , Shuailei Ma , Shijie Ma , Xiaoyi Bao , Chen-Wei Xie , Kecheng Zheng , Tingyu Weng , Siyang Sun , Yun Zheng , Wei Zou

Multi-modal Large language models (MLLMs) show remarkable ability in video understanding. Nevertheless, understanding long videos remains challenging as the models can only process a finite number of frames in a single inference,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Yucheng Suo , Fan Ma , Linchao Zhu , Tianyi Wang , Fengyun Rao , Yi Yang

Video Moment Retrieval (VMR) aims to retrieve a specific moment semantically related to the given query. To tackle this task, most existing VMR methods solely focus on the visual and textual modalities while neglecting the complementary but…

Information Retrieval · Computer Science 2025-10-28 Junan Lin , Daizong Liu , Xianke Chen , Xiaoye Qu , Xun Yang , Jixiang Zhu , Sanyuan Zhang , Jianfeng Dong

Referring video object segmentation (RVOS) relies on natural language expressions to segment target objects in video, emphasizing modeling dense text-video relations. The current RVOS methods typically use independently pre-trained vision…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Feiyu Pan , Hao Fang , Xiankai Lu

Multi-view videos are becoming widely used in different fields, but their high resolution and multi-camera shooting raise significant challenges for storage and transmission. In this paper, we propose MV-MGINR, a multi-grid implicit neural…

Image and Video Processing · Electrical Eng. & Systems 2025-09-23 Qingyue Ling , Zhengxue Cheng , Donghui Feng , Shen Wang , Chen Zhu , Guo Lu , Heming Sun , Jiro Katto , Li Song

With advancements in data availability and computing resources, Multimodal Large Language Models (MLLMs) have showcased capabilities across various fields. However, the quadratic complexity of the vision encoder in MLLMs constrains the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Yiwei Ma , Zhibin Wang , Xiaoshuai Sun , Weihuang Lin , Qiang Zhou , Jiayi Ji , Rongrong Ji

Multi-modal large language models (MLLMs) advance vision language understanding but face inherent limitations in long-video tasks due to bounded perception context budgets. Existing agentic methods mitigate this via rule-based…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Kerui Chen , Jinglu Wang , Jianrong Zhang , Ming Li , Yan Lu , Hehe Fan

The goal of this work is to enhance balanced multimodal understanding in audio-visual large language models (AV-LLMs) by addressing modality bias without additional training. In current AV-LLMs, audio and video features are typically…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Chaeyoung Jung , Youngjoon Jang , Jongmin Choi , Joon Son Chung

A central challenge of video prediction lies where the system has to reason the objects' future motions from image frames while simultaneously maintaining the consistency of their appearances across frames. This work introduces an…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Yiqi Zhong , Luming Liang , Ilya Zharkov , Ulrich Neumann

The key of the text-to-video retrieval (TVR) task lies in learning the unique similarity between each pair of text (consisting of words) and video (consisting of audio and image frames) representations. However, some problems exist in the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Wenjun Li , Shudong Wang , Dong Zhao , Shenghui Xu , Zhaoming Pan , Zhimin Zhang

Recent advancements in video understanding within visual large language models (VLLMs) have led to notable progress. However, the complexity of video data and contextual processing limitations still hinder long-video comprehension. A common…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Yanan Guo , Wenhui Dong , Jun Song , Shiding Zhu , Xuan Zhang , Hanqing Yang , Yingbo Wang , Yang Du , Xianing Chen , Bo Zheng

Although instruction-tuned large language models (LLMs) have exhibited remarkable capabilities across various NLP tasks, their effectiveness on other data modalities beyond text has not been fully studied. In this work, we propose…

Computation and Language · Computer Science 2023-06-16 Chenyang Lyu , Minghao Wu , Longyue Wang , Xinting Huang , Bingshuai Liu , Zefeng Du , Shuming Shi , Zhaopeng Tu

Existing large video-language models (LVLMs) struggle to comprehend long videos correctly due to limited context. To address this problem, fine-tuning long-context LVLMs and employing GPT-based agents have emerged as promising solutions.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Yongdong Luo , Xiawu Zheng , Guilin Li , Shukang Yin , Haojia Lin , Chaoyou Fu , Jinfa Huang , Jiayi Ji , Fei Chao , Jiebo Luo , Rongrong Ji

As the key component in multimodal large language models (MLLMs), the ability of the visual encoder greatly affects MLLM's understanding on diverse image content. Although some large-scale pretrained vision encoders such as vision encoders…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Zhuofan Zong , Bingqi Ma , Dazhong Shen , Guanglu Song , Hao Shao , Dongzhi Jiang , Hongsheng Li , Yu Liu

Cross-Video Reasoning (CVR) presents a significant challenge in video understanding, which requires simultaneous understanding of multiple videos to aggregate and compare information across groups of videos. Most existing video…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Jingyao Li , Jingyun Wang , Molin Tan , Haochen Wang , Cilin Yan , Likun Shi , Jiayin Cai , Xiaolong Jiang , Yao Hu

With the increasing consumption of 3D displays and virtual reality, multi-view video has become a promising format. However, its high resolution and multi-camera shooting result in a substantial increase in data volume, making storage and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Chen Zhu , Guo Lu , Bing He , Rong Xie , Li Song