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This paper presents a novel kernel-based generative classifier which is defined in a distortion subspace using polynomial series expansion, named Kernel-Distortion (KD) classifier. An iterative kernel selection algorithm is developed to…

机器学习 · 统计学 2016-06-22 Bo Tang , Paul M. Baggenstoss , Haibo He

With the assistance of sophisticated training methods applied to single labeled datasets, the performance of fully-supervised person re-identification (Person Re-ID) has been improved significantly in recent years. However, these models…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Shan Lin , Chang-Tsun Li , Alex C. Kot

Distance metric learning aims to learn from the given training data a valid distance metric, with which the similarity between data samples can be more effectively evaluated for classification. Metric learning is often formulated as a…

机器学习 · 计算机科学 2015-02-03 Wangmeng Zuo , Faqiang Wang , David Zhang , Liang Lin , Yuchi Huang , Deyu Meng , Lei Zhang

In the past decades, feature-learning-based 3D shape retrieval approaches have been received widespread attention in the computer graphic community. These approaches usually explored the hand-crafted distance metric or conventional distance…

计算机视觉与模式识别 · 计算机科学 2019-01-11 Huibing Wang , Haohao Li , Xianping Fu

Person Re-identification (ReID) is to identify the same person across different cameras. It is a challenging task due to the large variations in person pose, occlusion, background clutter, etc How to extract powerful features is a…

计算机视觉与模式识别 · 计算机科学 2017-10-19 Dangwei Li , Xiaotang Chen , Zhang Zhang , Kaiqi Huang

Person re-identification has attracted many researchers' attention for its wide application, but it is still a very challenging task because only part of the image information can be used for personnel matching. Most of current methods uses…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Zhiguang Zhang

Person re-identification (re-ID) aims at matching images of the same person across camera views. Due to varying distances between cameras and persons of interest, resolution mismatch can be expected, which would degrade re-ID performance in…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Yu-Jhe Li , Yun-Chun Chen , Yen-Yu Lin , Yu-Chiang Frank Wang

This paper proposes a new subspace learning method, named Quantized Fisher Discriminant Analysis (QFDA), which makes use of both machine learning and information theory. There is a lack of literature for combination of machine learning and…

机器学习 · 统计学 2019-09-09 Benyamin Ghojogh , Ali Saheb Pasand , Fakhri Karray , Mark Crowley

Ideally person re-identification seeks for perfect feature representation and metric model that re-identify all various pedestrians well in non-overlapping views at different locations with different camera configurations, which is very…

计算机视觉与模式识别 · 计算机科学 2018-05-28 Chen Chen , Min Cao , Xiyuan Hu , Silong Peng

Nowadays, deep learning is widely applied to extract features for similarity computation in person re-identification (re-ID) and have achieved great success. However, due to the non-overlapping between training and testing IDs, the…

计算机视觉与模式识别 · 计算机科学 2022-01-31 Yuqi Zhang , Qian Qi , Chong Liu , Weihua Chen , Fan Wang , Hao Li , Rong Jin

Wildlife re-identification aims to recognise individual animals by matching query images to a database of previously identified individuals, based on their fine-scale unique morphological characteristics. Current state-of-the-art models for…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Thanos Polychronou , Lukáš Adam , Viktor Penchev , Kostas Papafitsoros

Person re-identification (ReID) is a fundamental task in many real-world applications such as pedestrian trajectory tracking. However, advanced deep learning-based ReID models are highly susceptible to adversarial attacks, where…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Yuhang Zhou , Yanxiang Zhao , Zhongyun Hua , Zhipu Liu , Zhaoquan Gu , Qing Liao , Leo Yu Zhang

Person re-identification (Re-ID) aims to match person images across non-overlapping camera views. The majority of Re-ID methods focus on small-scale surveillance systems in which each pedestrian is captured in different camera views of…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Wenhang Ge , Chunyan Pan , Ancong Wu , Hongwei Zheng , Wei-Shi Zheng

Person re-identification (re-id) aims to retrieve images of same identities across different camera views. Resolution mismatch occurs due to varying distances between person of interest and cameras, this significantly degrades the…

计算机视觉与模式识别 · 计算机科学 2021-09-17 Asad Munir , Chengjin Lyu , Bart Goossens , Wilfried Philips , Christian Micheloni

Person re-identification is particularly challenging due to significant appearance changes across separate camera views. In order to re-identify people, a representative human signature should effectively handle differences in illumination,…

计算机视觉与模式识别 · 计算机科学 2014-03-05 Azadeh Alavi , Yan Yang , Mehrtash Harandi , Conrad Sanderson

Metric and kernel learning are important in several machine learning applications. However, most existing metric learning algorithms are limited to learning metrics over low-dimensional data, while existing kernel learning algorithms are…

机器学习 · 计算机科学 2009-11-02 Prateek Jain , Brian Kulis , Jason V. Davis , Inderjit S. Dhillon

This work considers the problem of domain shift in person re-identification.Being trained on one dataset, a re-identification model usually performs much worse on unseen data. Partially this gap is caused by the relatively small scale of…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Vladislav Sovrasov , Dmitry Sidnev

Symmetric positive definite (SPD) matrices are useful for capturing second-order statistics of visual data. To compare two SPD matrices, several measures are available, such as the affine-invariant Riemannian metric, Jeffreys divergence,…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Anoop Cherian , Panagiotis Stanitsas , Mehrtash Harandi , Vassilios Morellas , Nikolaos Papanikolopoulos

Unsupervised person re-identification aims to retrieve images of a specified person without identity labels. Many recent unsupervised Re-ID approaches adopt clustering-based methods to measure cross-camera feature similarity to roughly…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Pengna Li , Kangyi Wu , Wenli Huang , Sanping Zhou , Jinjun Wang

Person re-identification (PRe-ID) is a crucial task in security, surveillance, and retail analysis, which involves identifying an individual across multiple cameras and views. However, it is a challenging task due to changes in…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Ammar Chouchane , Abdelmalik Ouamane , Yassine Himeur , Wathiq Mansoor , Shadi Atalla , Afaf Benzaibak , Chahrazed Boudellal