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Semantic video segmentation is a key challenge for various applications. This paper presents a new model named Noisy-LSTM, which is trainable in an end-to-end manner, with convolutional LSTMs (ConvLSTMs) to leverage the temporal coherency…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Bowen Wang , Liangzhi Li , Yuta Nakashima , Ryo Kawasaki , Hajime Nagahara , Yasushi Yagi

Ship detection in remote sensing imagery is a critical task with wide-ranging applications, such as maritime activity monitoring, shipping logistics, and environmental studies. However, existing methods often struggle to capture…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Jiahao Li , Jiancheng Pan , Yuze Sun , Xiaomeng Huang

Online streaming video understanding requires models to process continuous visual inputs and respond to user queries in real time, where the unbounded stream and unpredictable query timing turn memory management into a central challenge.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Hang Wu , Sherin Mary Mathews , Yujun Cai , Ming-Hsuan Yang , Yiwei Wang

This paper presents a deep learning framework for medical video segmentation. Convolution neural network (CNN) and transformer-based methods have achieved great milestones in medical image segmentation tasks due to their incredible semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Chengxi Zeng , Xinyu Yang , David Smithard , Majid Mirmehdi , Alberto M Gambaruto , Tilo Burghardt

Video Semantic Segmentation (VSS) involves assigning a semantic label to each pixel in a video sequence. Prior work in this field has demonstrated promising results by extending image semantic segmentation models to exploit temporal…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Yuetian Weng , Mingfei Han , Haoyu He , Mingjie Li , Lina Yao , Xiaojun Chang , Bohan Zhuang

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

Domain-generalized retinal vessel segmentation is critical for automated ophthalmic diagnosis, yet faces significant challenges from domain shift induced by non-uniform illumination and varying contrast, compounded by the difficulty of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Chanchan Wang , Yuanfang Wang , Qing Xu , Guanxin Chen

Vision-language large models have achieved remarkable success in various multi-modal tasks, yet applying them to video understanding remains challenging due to the inherent complexity and computational demands of video data. While…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Kai Han , Jianyuan Guo , Yehui Tang , Wei He , Enhua Wu , Yunhe Wang

Although the problem of automatic video summarization has recently received a lot of attention, the problem of creating a video summary that also highlights elements relevant to a search query has been less studied. We address this problem…

Computer Vision and Pattern Recognition · Computer Science 2017-09-29 Arun Balajee Vasudevan , Michael Gygli , Anna Volokitin , Luc Van Gool

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

Large language models (LLMs) have shown promise in generating program workflows for visual tasks. However, previous approaches often rely on closed-source models, lack systematic reasoning, and struggle with long-form video question…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Chenglin Li , Feng Han , Yikun Wang , Ruilin Li , Shuai Dong , Haowen Hou , Haitao Li , Qianglong Chen , Feng Tao , Jingqi Tong , Yin Zhang , Jiaqi Wang

Current Multimodal Large Language Models (MLLMs) may struggle with understanding long or complex videos due to computational demands at test time, lack of robustness, and limited accuracy, primarily stemming from their feed-forward…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Jiahao Meng , Shuyang Sun , Yue Tan , Lu Qi , Yunhai Tong , Xiangtai Li , Longyin Wen

Vision-Language Models (VLMs) have demonstrated strong capabilities in multimodal understanding and generation tasks. However, their application to long video understanding remains hindered by the quadratic complexity of standard attention…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Letian Kang , Shixian Luo , Yiqiang Li , Yuxin Yin , Shenxuan Zhou , Xiaoyang Yu , Jin Yang , Yong Wu

As attitude and motion sensing components, inertial sensors are widely used in various portable devices. But the severe errors of inertial sensors restrain their function, especially the trajectory recovery and semantic recognition. As a…

Signal Processing · Electrical Eng. & Systems 2024-01-12 Yifeng Wang , Yi Zhao

Multimodal large language models (MLLMs) are typically trained in multiple stages, with video-based supervised fine-tuning (Video-SFT) serving as a key step for improving visual understanding. Yet its effect on the fine-grained evolution of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Linghao Zhang , Jungang Li , Yonghua Hei , Sicheng Tao , Song Dai , Yibo Yan , Zihao Dongfang , Weiting Liu , Chenxi Qin , Hanqian Li , Xin Zou , Jiahao Zhang , Shuhang Xun , Haiyun Jiang , Xuming Hu

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

Despite the recent advances in the video understanding ability of multimodal large language models (MLLMs), long video understanding remains a challenge. One of the main issues is that the number of vision tokens grows linearly with video…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Siyou Li , Huanan Wu , Juexi Shao , Yinghao Ma , Yujian Gan , Yihao Luo , Yuwei Wang , Dong Nie , Lu Wang , Wenqing Wu , Le Zhang , Massimo Poesio , Juntao Yu

Video Large Language Models (Video-LLMs) have shown strong video understanding, yet their application to long-form videos remains constrained by limited context windows. A common workaround is to compress long videos into a handful of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yun Wang , Long Zhang , Jingren Liu , Jiaqi Yan , Zhanjie Zhang , Jiahao Zheng , Ao Ma , Run Ling , Xun Yang , Dapeng Wu , Xiangyu Chen , Xuelong Li

Point-level weakly-supervised temporal sentiment localization (P-WTSL) aims to detect sentiment-relevant segments in untrimmed multimodal videos using timestamp sentiment annotations, which greatly reduces the costly frame-level labeling.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Cailing Han , Zhangbin Li , Jinxing Zhou , Wei Qian , Jingjing Hu , Yanghao Zhou , Zhangling Duan , Dan Guo

Motivated by the increasing need of saving search effort by obtaining relevant video clips instead of whole videos, we propose a new task, named Semantic Video Moments Retrieval at scale (SVMR), which aims at finding relevant videos coupled…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Na Li