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Person re-identification is an open and challenging problem in computer vision. Existing approaches have concentrated on either designing the best feature representation or learning optimal matching metrics in a static setting where the…

计算机视觉与模式识别 · 计算机科学 2017-06-13 Rameswar Panda , Amran Bhuiyan , Vittorio Murino , Amit K. Roy-Chowdhury

Autonomous driving systems often degrade under adverse visibility conditions-such as rain, nighttime, or snow-where online scene geometry (e.g., lane dividers, road boundaries, and pedestrian crossings) becomes sparse or fragmented. While…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Jiawei Yong , Deyuan Qu , Qi Chen , Kentaro Oguchi , Shintaro Fukushima

Most existing person re-identification (ReID) methods rely only on the spatial appearance information from either one or multiple person images, whilst ignore the space-time cues readily available in video or image-sequence data. Moreover,…

计算机视觉与模式识别 · 计算机科学 2016-11-29 Xiaolong Ma , Xiatian Zhu , Shaogang Gong , Xudong Xie , Jianming Hu , Kin-Man Lam , Yisheng Zhong

Under normality and homoscedasticity assumptions, Linear Discriminant Analysis (LDA) is known to be optimal in terms of minimising the Bayes error for binary classification. In the heteroscedastic case, LDA is not guaranteed to minimise…

机器学习 · 计算机科学 2017-03-27 Kojo Sarfo Gyamfi , James Brusey , Andrew Hunt , Elena Gaura

Person re-identification (ReID) is an extremely important area in both surveillance and mobile applications, requiring strong accuracy with minimal computational cost. State-of-the-art methods give good accuracy but with high computational…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Anns Ijaz , Muhammad Azeem Javed

Learning diverse features is key to the success of person re-identification. Various part-based methods have been extensively proposed for learning local representations, which, however, are still inferior to the best-performing methods for…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Ben Xie , Xiaofu Wu , Suofei Zhang , Shiliang Zhao , Ming Li

Siamese tracking paradigm has achieved great success, providing effective appearance discrimination and size estimation by the classification and regression. While such a paradigm typically optimizes the classification and regression…

计算机视觉与模式识别 · 计算机科学 2022-05-02 Jiahao Nie , Han Wu , Zhiwei He , Yuxiang Yang , Mingyu Gao , Zhekang Dong

We propose a novel algorithm for the fitting of 3D human shape to images. Combining the accuracy and refinement capabilities of iterative gradient-based optimization techniques with the robustness of deep neural networks, we propose a…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Jie Song , Xu Chen , Otmar Hilliges

Re-ranking is the second stage of a visual place recognition task, in which the system chooses the best-matching images from a pre-selected subset of candidates. Model-free approaches compute the image pair similarity based on a spatial…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Tomáš Pivoňka , Libor Přeučil

The single domain generalization(SDG) based on meta-learning has emerged as an effective technique for solving the domain-shift problem. However, the inadequate match of data distribution between source and augmented domains and difficult…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Can Sun , Hao Zheng , Zhigang Hu , Liu Yang , Meiguang Zheng , Bo Xu

We address the problem of person re-identification (reID), that is, retrieving person images from a large dataset, given a query image of the person of interest. A key challenge is to learn person representations robust to intra-class…

计算机视觉与模式识别 · 计算机科学 2019-11-04 Chanho Eom , Bumsub Ham

Older people are susceptible to fall due to instability in posture and deteriorating health. Immediate access to medical support can greatly reduce repercussions. Hence, there is an increasing interest in automated fall detection, often…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Sania Zahan , Ghulam Mubashar Hassan , Ajmal Mian

Person re-identification is a crucial task of identifying pedestrians of interest across multiple surveillance camera views. In person re-identification, a pedestrian is usually represented with features extracted from a rectangular image…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Yiheng Liu , Wengang Zhou , Jianzhuang Liu , Guojun Qi , Qi Tian , Houqiang Li

Person Re-Identification (ReID) is a challenging problem in many video analytics and surveillance applications, where a person's identity must be associated across a distributed non-overlapping network of cameras. Video-based person ReID…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Madhu Kiran , Amran Bhuiyan , Louis-Antoine Blais-Morin , Mehrsan Javan , Ismail Ben Ayed , Eric Granger

Feature shifts between data sources are present in many applications involving healthcare, biomedical, socioeconomic, financial, survey, and multi-sensor data, among others, where unharmonized heterogeneous data sources, noisy data…

机器学习 · 计算机科学 2025-06-12 Míriam Barrabés , Daniel Mas Montserrat , Kapal Dev , Alexander G. Ioannidis

Learning the distance metric between pairs of examples is of great importance for visual recognition, especially for person re-identification (Re-Id). Recently, the contrastive and triplet loss are proposed to enhance the discriminative…

计算机视觉与模式识别 · 计算机科学 2017-07-26 De Cheng , Yihong Gong , Zhihui Li , Weiwei Shi , Alexander G. Hauptmann , Nanning Zheng

CLIP-based person re-identification (ReID) methods aggregate spatial features into a single global \texttt{[CLS]} token optimized for image-text alignment rather than spatial selectivity, making representations fragile under occlusion and…

计算机视觉与模式识别 · 计算机科学 2026-04-27 Aotian Zheng , Winston Sun , Bahaa Alattar , Vitaly Ablavsky , Jenq-Neng Hwang

The ability for an agent to localize itself within an environment is crucial for many real-world applications. For unknown environments, Simultaneous Localization and Mapping (SLAM) enables incremental and concurrent building of and…

计算机视觉与模式识别 · 计算机科学 2018-02-21 Emilio Parisotto , Devendra Singh Chaplot , Jian Zhang , Ruslan Salakhutdinov

Person re-identification (Re-ID) usually suffers from noisy samples with background clutter and mutual occlusion, which makes it extremely difficult to distinguish different individuals across the disjoint camera views. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2017-10-17 Sanping Zhou , Jinjun Wang , Deyu Meng , Xiaomeng Xin , Yubing Li , Yihong Gong , Nanning Zheng

Deep part-based methods in recent literature have revealed the great potential of learning local part-level representation for pedestrian image in the task of person re-identification. However, global features that capture discriminative…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Hui Li , Meng Yang , Zhihui Lai , Weishi Zheng , Zitong Yu