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Person re-identification (Re-ID) aims to match identities across non-overlapping camera views. Researchers have proposed many supervised Re-ID models which require quantities of cross-view pairwise labelled data. This limits their…

计算机视觉与模式识别 · 计算机科学 2019-02-08 Hong-Xing Yu , Ancong Wu , Wei-Shi Zheng

Deep metric learning (DML) aims to learn a discriminative high-dimensional embedding space for downstream tasks like classification, clustering, and retrieval. Prior literature predominantly focuses on pair-based and proxy-based methods to…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Xiruo Jiang , Yazhou Yao , Xili Dai , Fumin Shen , Xian-Sheng Hua , Heng-Tao Shen

Promoting fairness for deep clustering models in unsupervised clustering settings to reduce demographic bias is a challenging goal. This is because of the limitation of large-scale balanced data with well-annotated labels for sensitive or…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Xuan-Bac Nguyen , Chi Nhan Duong , Marios Savvides , Kaushik Roy , Hugh Churchill , Khoa Luu

Adapting to dynamic data distributions is a practical yet challenging task. One effective strategy is to use a model ensemble, which leverages the diverse expertise of different models to transfer knowledge to evolving data distributions.…

This paper focuses on two crucial issues in domain-adaptive lane detection, i.e., how to effectively learn discriminative features and transfer knowledge across domains. Existing lane detection methods usually exploit a pixel-wise…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Kunyang Zhou , Yunjian Feng , Jun Li

The training loss function that enforces certain training sample distribution patterns plays a critical role in building a re-identification (ReID) system. Besides the basic requirement of discrimination, i.e., the features corresponding to…

计算机视觉与模式识别 · 计算机科学 2021-05-03 Lu Yang , Yunlong Wang , Lingqiao Liu , Peng Wang , Lu Chi , Zehuan Yuan , Changhu Wang , Yanning Zhang

In applications involving matching of image sets, the information from multiple images must be effectively exploited to represent each set. State-of-the-art methods use probabilistic distribution or subspace to model a set and use specific…

计算机视觉与模式识别 · 计算机科学 2016-10-04 Jie Feng , Svebor Karaman , I-Hong Jhuo , Shih-Fu Chang

Deep clustering successfully provides more effective features than conventional ones and thus becomes an important technique in current unsupervised learning. However, most deep clustering methods ignore the vital positive and negative…

计算机视觉与模式识别 · 计算机科学 2021-03-10 Zhiyuan Dang , Cheng Deng , Xu Yang , Heng Huang

Although Person Re-Identification has made impressive progress, difficult cases like occlusion, change of view-pointand similar clothing still bring great challenges. Besides overall visual features, matching and comparing detailed…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Fufu Yu , Xinyang Jiang , Yifei Gong , Shizhen Zhao , Xiaowei Guo , Wei-Shi Zheng , Feng Zheng , Xing Sun

Few-shot image classification has emerged as a key challenge in the field of computer vision, highlighting the capability to rapidly adapt to new tasks with minimal labeled data. Existing methods predominantly rely on image-level features…

计算机视觉与模式识别 · 计算机科学 2024-01-25 Maofa Wang , Bingchen Yan

Deep metric learning is essential for visual recognition. The widely used pair-wise (or triplet) based loss objectives cannot make full use of semantical information in training samples or give enough attention to those hard samples during…

计算机视觉与模式识别 · 计算机科学 2019-03-22 Lin Xu , Han Sun , Yuai Liu

The heterogeneity gap problem is the main challenge in cross-modal retrieval. Because cross-modal data (e.g. audiovisual) have different distributions and representations that cannot be directly compared. To bridge the gap between…

多媒体 · 计算机科学 2022-11-08 Donghuo Zeng , Yanan Wang , Jianming Wu , Kazushi Ikeda

Triplet loss is widely used for learning local descriptors from image patch. However, triplet loss only minimizes the Euclidean distance between matching descriptors and maximizes that between the non-matching descriptors, which neglects…

计算机视觉与模式识别 · 计算机科学 2020-06-08 Honghu Pan , Fanyang Meng , Zhenyu He , Yongsheng Liang , Wei Liu

The labelling difficulty has been a longstanding problem in deep image matting. To escape from fine labels, this work explores using rough annotations such as trimaps coarsely indicating the foreground/background as supervision. We present…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Wenze Liu , Zixuan Ye , Hao Lu , Zhiguo Cao , Xiangyu Yue

Using generative models to synthesize visual features from semantic distribution is one of the most popular solutions to ZSL image classification in recent years. The triplet loss (TL) is popularly used to generate realistic visual…

计算机视觉与模式识别 · 计算机科学 2021-06-17 Zihan Ye , Fuyuan Hu , Fan Lyu , Linyan Li , Kaizhu Huang

Person re-identification (re-ID) is a highly challenging task due to large variations of pose, viewpoint, illumination, and occlusion. Deep metric learning provides a satisfactory solution to person re-ID by training a deep network under…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Rui Yu , Zhiyong Dou , Song Bai , Zhaoxiang Zhang , Yongchao Xu , Xiang Bai

Person re-identification (ReID) under occlusions is a challenging problem in video surveillance. Most of existing person ReID methods take advantage of local features to deal with occlusions. However, these methods usually independently…

计算机视觉与模式识别 · 计算机科学 2020-02-10 Wanxiang Yang , Yan Yan , Si Chen

Deep supervised hashing for image retrieval has attracted researchers' attention due to its high efficiency and superior retrieval performance. Most existing deep supervised hashing works, which are based on pairwise/triplet labels, suffer…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Ming Zhang , Hong Yan

Data heterogeneity is one of the key challenges in federated learning, and many efforts have been devoted to tackling this problem. However, distributed concept drift with data heterogeneity, where clients may additionally experience…

机器学习 · 计算机科学 2024-10-25 Junbao Chen , Jingfeng Xue , Yong Wang , Zhenyan Liu , Lu Huang

Unsupervised person re-identification (Re-ID) aims to learn a feature network with cross-camera retrieval capability in unlabelled datasets. Although the pseudo-label based methods have achieved great progress in Re-ID, their performance in…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Mingxiao Zheng , Yanpeng Qu , Changjing Shang , Longzhi Yang , Qiang Shen