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Self-supervised video denoising aims to remove noise from videos without relying on ground truth data, leveraging the video itself to recover clean frames. Existing methods often rely on simplistic feature stacking or apply optical flow…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Zikang Chen , Tao Jiang , Xiaowan Hu , Wang Zhang , Huaqiu Li , Haoqian Wang

Unpaired video-to-video translation aims to translate videos between a source and a target domain without the need of paired training data, making it more feasible for real applications. Unfortunately, the translated videos generally suffer…

计算机视觉与模式识别 · 计算机科学 2022-12-22 Kaihong Wang , Kumar Akash , Teruhisa Misu

Domain generalization (DG) aims to learn domain-generalizable models from one or multiple source domains that can perform well in unseen target domains. Despite its recent progress, most existing work suffers from the misalignment between…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Xueying Jiang , Jiaxing Huang , Sheng Jin , Shijian Lu

Video Shadow Detection (VSD) aims to detect the shadow masks with frame sequence. Existing works suffer from inefficient temporal learning. Moreover, few works address the VSD problem by considering the characteristic (i.e., boundary) of…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Haipeng Zhou , Honqiu Wang , Tian Ye , Zhaohu Xing , Jun Ma , Ping Li , Qiong Wang , Lei Zhu

A typical multi-source domain adaptation (MSDA) approach aims to transfer knowledge learned from a set of labeled source domains, to an unlabeled target domain. Nevertheless, prior works strictly assume that each source domain shares the…

机器学习 · 计算机科学 2022-07-13 Zixin Wang , Yadan Luo , Peng-Fei Zhang , Sen Wang , Zi Huang

Detecting visual content on language expression has become an emerging topic in the community. However, in the video domain, the existing setting, i.e., spatial-temporal video grounding (STVG), is formulated to only detect one pre-existing…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Wei Ji , Xiangyan Liu , Yingfei Sun , Jiajun Deng , You Qin , Ammar Nuwanna , Mengyao Qiu , Lina Wei , Roger Zimmermann

Video-language alignment is a crucial multi-modal task that benefits various downstream applications, e.g., video-text retrieval and video question answering. Existing methods either utilize multi-modal information in video-text pairs or…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Shi-Xue Zhang , Hongfa Wang , Xiaobin Zhu , Weibo Gu , Tianjin Zhang , Chun Yang , Wei Liu , Xu-Cheng Yin

Domain generalization aims to learn a generalizable model from a known source domain for various unknown target domains. It has been studied widely by domain randomization that transfers source images to different styles in spatial space…

计算机视觉与模式识别 · 计算机科学 2021-03-04 Jiaxing Huang , Dayan Guan , Aoran Xiao , Shijian Lu

Deep Neural Networks (DNNs) suffer from domain shift when the test dataset follows a distribution different from the training dataset. Domain generalization aims to tackle this issue by learning a model that can generalize to unseen…

计算机视觉与模式识别 · 计算机科学 2022-12-15 Yu Ding , Lei Wang , Bin Liang , Shuming Liang , Yang Wang , Fang Chen

In this paper, we present a unified, end-to-end trainable spatiotemporal CNN model for VOS, which consists of two branches, i.e., the temporal coherence branch and the spatial segmentation branch. Specifically, the temporal coherence branch…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Kai Xu , Longyin Wen , Guorong Li , Liefeng Bo , Qingming Huang

Traffic prediction is critical for optimizing travel scheduling and enhancing public safety, yet the complex spatial and temporal dynamics within traffic data present significant challenges for accurate forecasting. In this paper, we…

机器学习 · 计算机科学 2025-02-19 Lingxiao Cao , Bin Wang , Guiyuan Jiang , Yanwei Yu , Junyu Dong

Traditional place categorization approaches in robot vision assume that training and test images have similar visual appearance. Therefore, any seasonal, illumination and environmental changes typically lead to severe degradation in…

机器人学 · 计算机科学 2018-05-31 Massimiliano Mancini , Samuel Rota Bulò , Barbara Caputo , Elisa Ricci

Traditional spatiotemporal models generally rely on task-specific architectures, which limit their generalizability and scalability across diverse tasks due to domain-specific design requirements. In this paper, we introduce…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Chen Tang , Xinzhu Ma , Encheng Su , Xiufeng Song , Xiaohong Liu , Wei-Hong Li , Lei Bai , Wanli Ouyang , Xiangyu Yue

Deep neural networks often suffer performance drops when test data distribution differs from training data. Domain Generalization (DG) aims to address this by focusing on domain-invariant features or augmenting data for greater diversity.…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Nam Duong Tran , Nam Nguyen Phuong , Hieu H. Pham , Phi Le Nguyen , My T. Thai

For a given video-based Human-Object Interaction scene, modeling the spatio-temporal relationship between humans and objects are the important cue to understand the contextual information presented in the video. With the effective…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Ning Wang , Guangming Zhu , Liang Zhang , Peiyi Shen , Hongsheng Li , Cong Hua

Deep learning models usually suffer from domain shift issues, where models trained on one source domain do not generalize well to other unseen domains. In this work, we investigate the single-source domain generalization problem: training a…

计算机视觉与模式识别 · 计算机科学 2023-04-24 Cheng Ouyang , Chen Chen , Surui Li , Zeju Li , Chen Qin , Wenjia Bai , Daniel Rueckert

Sleep stage classification is essential for sleep assessment and disease diagnosis. Although previous attempts to classify sleep stages have achieved high classification performance, several challenges remain open: 1) How to effectively…

信号处理 · 电气工程与系统科学 2021-09-07 Ziyu Jia , Youfang Lin , Jing Wang , Xiaojun Ning , Yuanlai He , Ronghao Zhou , Yuhan Zhou , Li-wei H. Lehman

Temporal sentence grounding involves the retrieval of a video moment with a natural language query. Many existing works directly incorporate the given video and temporally localized query for temporal grounding, overlooking the inherent…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Cai Chen , Runzhong Zhang , Jianjun Gao , Kejun Wu , Kim-Hui Yap , Yi Wang

Domain generalization in semantic segmentation aims to alleviate the performance degradation on unseen domains through learning domain-invariant features. Existing methods diversify images in the source domain by adding complex or even…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Xinhui Li , Mingjia Li , Yaxing Wang , Chuan-Xian Ren , Xiaojie Guo

Domain shift refers to the well known problem that a model trained in one source domain performs poorly when applied to a target domain with different statistics. {Domain Generalization} (DG) techniques attempt to alleviate this issue by…

机器学习 · 计算机科学 2017-10-11 Da Li , Yongxin Yang , Yi-Zhe Song , Timothy M. Hospedales