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Referring Video Object Segmentation (RefVOS) seeks to segment target objects in videos guided by natural language descriptions, demanding both temporal reasoning and fine-grained visual comprehension. Existing sampling strategies for…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Ming Dai , Sen Yang , Boqiang Duan , Wankou Yang , Jingdong Wang

Video Moment Retrieval (VMR) aims to retrieve temporal segments in untrimmed videos corresponding to a given language query by constructing cross-modal alignment strategies. However, these existing strategies are often sub-optimal since…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Zhihang Liu , Jun Li , Hongtao Xie , Pandeng Li , Jiannan Ge , Sun-Ao Liu , Guoqing Jin

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…

Machine Learning · Computer Science 2025-07-04 Anurag Arnab , Ahmet Iscen , Mathilde Caron , Alireza Fathi , Cordelia Schmid

Dataset distillation aims to synthesize compact yet informative datasets that allow models trained on them to achieve performance comparable to training on the full dataset. While this approach has shown promising results for image data,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Zhenghao Zhao , Haoxuan Wang , Kai Wang , Yuzhang Shang , Yuan Hong , Yan Yan

Cross-modal video retrieval aims to retrieve the semantically relevant videos given a text as a query, and is one of the fundamental tasks in Multimedia. Most of top-performing methods primarily leverage Visual Transformer (ViT) to extract…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Ning Han , Xun Yang , Ee-Peng Lim , Hao Chen , Qianru Sun

Frame sampling is a fundamental problem in video action recognition due to the essential redundancy in time and limited computation resources. The existing sampling strategy often employs a fixed frame selection and lacks the flexibility to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Yuan Zhi , Zhan Tong , Limin Wang , Gangshan Wu

Large video-language models (VLMs) have demonstrated promising progress in various video understanding tasks. However, their effectiveness in long-form video analysis is constrained by limited context windows. Traditional approaches, such…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Shuming Liu , Chen Zhao , Tianqi Xu , Bernard Ghanem

Recent studies have demonstrated the effectiveness of Large Language Models (LLMs) as reasoning modules that can deconstruct complex tasks into more manageable sub-tasks, particularly when applied to visual reasoning tasks for images. In…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Ahmad Mahmood , Ashmal Vayani , Muzammal Naseer , Salman Khan , Fahad Shahbaz Khan

Vision Language Models (VLMs) are becoming increasingly integral to multimedia understanding; however, they often struggle with domain-specific video classification tasks, particularly in cases with limited data. This stems from a critical…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Meilong Xu , Di Fu , Jiaxing Zhang , Gong Yu , Jiayu Zheng , Xiaoling Hu , Dongdi Zhao , Feiyang Li , Chao Chen , Yong Cao

In this work, we propose an efficient Video-Language Alignment (ViLA) network. Our ViLA model addresses both efficient frame sampling and effective cross-modal alignment in a unified way. In our ViLA network, we design a new learnable…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Xijun Wang , Junbang Liang , Chun-Kai Wang , Kenan Deng , Yu Lou , Ming Lin , Shan Yang

Massive frame redundancy and limited context window make efficient frame selection crucial for long-video understanding with large vision-language models (LVLMs). Prevailing approaches, however, adopt a flat sampling paradigm which treats…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Wang Chen , Yongdong Luo , Yuhui Zeng , Luojun Lin , Tianyu Xie , Fei Chao , Rongrong Ji , Xiawu Zheng

In recent years, advances in Artificial Intelligence have significantly impacted computer science, particularly in the field of computer vision, enabling solutions to complex problems such as video frame prediction. Video frame prediction…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Jose M. Sánchez Velázquez , Mingbo Cai , Andrew Coney , Álvaro J. García- Tejedor , Alberto Nogales

The rise of Large Vision-Language Models (LVLMs) has significantly advanced video understanding. However, efficiently processing long videos remains a challenge due to the ``Sampling Dilemma'': low-density sampling risks missing critical…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Tianyuan Qu , Longxiang Tang , Bohao Peng , Senqiao Yang , Bei Yu , Jiaya Jia

The rapid growth of video content demands efficient and precise retrieval systems. While vision-language models (VLMs) excel in representation learning, they often struggle with adaptive, time-sensitive video retrieval. This paper…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Yicheng Duan , Xi Huang , Duo Chen

Most existing real-time deep models trained with each frame independently may produce inconsistent results across the temporal axis when tested on a video sequence. A few methods take the correlations in the video sequence into…

Computer Vision and Pattern Recognition · Computer Science 2022-02-28 Yifan Liu , Chunhua Shen , Changqian Yu , Jingdong Wang

Do video-text transformers learn to model temporal relationships across frames? Despite their immense capacity and the abundance of multimodal training data, recent work has revealed the strong tendency of video-text models towards…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Yi Li , Kyle Min , Subarna Tripathi , Nuno Vasconcelos

While Video Large Language Models (Video-LLMs) have shown significant potential in multimodal understanding and reasoning tasks, how to efficiently select the most informative frames from videos remains a critical challenge. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Shihao Wang , Guo Chen , De-an Huang , Zhiqi Li , Minghan Li , Guilin Liu , Jose M. Alvarez , Lei Zhang , Zhiding Yu

Multi-modal transformers are rapidly gaining attention in video captioning tasks. Existing multi-modal video captioning methods typically extract a fixed number of frames, which raises critical challenges. When a limited number of frames…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Sangho Lee , Il Yong Chun , Hogun Park

Despite the success of deep learning in video understanding tasks, processing every frame in a video is computationally expensive and often unnecessary in real-time applications. Frame selection aims to extract the most informative and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Mingjun Zhao , Yakun Yu , Xiaoli Wang , Lei Yang , Di Niu

Video-language modeling has attracted much attention with the rapid growth of web videos. Most existing methods assume that the video frames and text description are semantically correlated, and focus on video-language modeling at video…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Haoyu Lu , Mingyu Ding , Nanyi Fei , Yuqi Huo , Zhiwu Lu