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One fundamental challenge of vehicle re-identification (re-id) is to learn robust and discriminative visual representation, given the significant intra-class vehicle variations across different camera views. As the existing vehicle datasets…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Zhedong Zheng , Tao Ruan , Yunchao Wei , Yi Yang , Tao Mei

Vehicle re-identification (Re-ID) has been attracting increasing interest in the field of computer vision due to the growing utilization of surveillance cameras in public security. However, vehicle Re-ID still suffers a similarity challenge…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Jingjing Qian , Wei Jiang , Hao Luo , Hongyan Yu

In this paper, we make the very first attempt to investigate the integration of deep hash learning with vehicle re-identification. We propose a deep hash-based vehicle re-identification framework, dubbed DVHN, which substantially reduces…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Yongbiao Chen , Sheng Zhang , Fangxin Liu , Chenggang Wu , Kaicheng Guo , Zhengwei Qi

To make an employee roster, photo album, or training dataset of generative models, one needs to collect high-quality images while dismissing low-quality ones. This study addresses a new task of unsupervised detection of low-quality images.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Tomoyasu Nanaumi , Kazuhiko Kawamoto , Hiroshi Kera

We investigate the problem of producing diverse solutions to an image super-resolution problem. From a probabilistic perspective, this can be done by sampling from the posterior distribution of an inverse problem, which requires the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Jean Prost , Antoine Houdard , Andrés Almansa , Nicolas Papadakis

This work focuses on unsupervised representation learning in person re-identification (ReID). Recent self-supervised contrastive learning methods learn invariance by maximizing the representation similarity between two augmented views of a…

Computer Vision and Pattern Recognition · Computer Science 2023-01-03 Hao Chen , Yaohui Wang , Benoit Lagadec , Antitza Dantcheva , Francois Bremond

An efficient and effective person re-identification (ReID) system relieves the users from painful and boring video watching and accelerates the process of video analysis. Recently, with the explosive demands of practical applications, a lot…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Zheng Wang , Zhixiang Wang , Yinqiang Zheng , Yang Wu , Wenjun Zeng , Shin'ichi Satoh

Person re-identification (PRe-ID) is a computer vision issue, that has been a fertile research area in the last few years. It aims to identify persons across different non-overlapping camera views. In this paper, We propose a novel PRe-ID…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Akram Abderraouf Gharbi , Ammar Chouchane , Abdelmalik Ouamane

We present a new method for improving the performances of variational autoencoder (VAE). In addition to enforcing the deep feature consistent principle thus ensuring the VAE output and its corresponding input images to have similar deep…

Computer Vision and Pattern Recognition · Computer Science 2019-06-06 Xianxu Hou , Ke Sun , Linlin Shen , Guoping Qiu

Person re-identification (person re-ID) aims at matching target person(s) grabbed from different and non-overlapping camera views. It plays an important role for public safety and has application in various tasks such as, human retrieval,…

Computer Vision and Pattern Recognition · Computer Science 2017-12-20 Huan-Cheng Hsu , Ching-Hang Chen , Hsiao-Rong Tyan , Hong-Yuan Mark Liao

Variational autoencoders are among the most popular methods for distilling low-dimensional structure from high-dimensional data, making them increasingly valuable as tools for data exploration and scientific discovery. However, unlike…

Machine Learning · Computer Science 2022-01-17 Miles Martinez , John Pearson

We address the problem of visible-infrared person re-identification (VI-reID), that is, retrieving a set of person images, captured by visible or infrared cameras, in a cross-modal setting. Two main challenges in VI-reID are intra-class…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Hyunjong Park , Sanghoon Lee , Junghyup Lee , Bumsub Ham

Video-based person re-identification (video re-ID) has lately fascinated growing attention due to its broad practical applications in various areas, such as surveillance, smart city, and public safety. Nevertheless, video re-ID is quite…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Khawar Islam

Unsupervised visible-infrared person re-identification (USVI-ReID) aims to learn modality-invariant image features from unlabeled cross-modal person datasets by reducing the modality gap while minimizing reliance on costly manual…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Haonan Shi , Yubin Wang , De Cheng , Lingfeng He , Nannan Wang , Xinbo Gao

Vehicle Re-identification is attracting more and more attention in recent years. One of the most challenging problems is to learn an efficient representation for a vehicle from its multi-viewpoint images. Existing methods tend to derive…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Saghir Ahmed Saghir Alfasly , Yongjian Hu , Tiancai Liang , Xiaofeng Jin , Qingli Zhao , Beibei Liu

While hierarchical variational autoencoders (VAEs) have achieved great density estimation on image modeling tasks, samples from their prior tend to look less convincing than models with similar log-likelihood. We attribute this to learned…

Machine Learning · Computer Science 2022-10-20 Eric Luhman , Troy Luhman

Hierarchical Bayesian methods can unify many related tasks (e.g. k-shot classification, conditional and unconditional generation) as inference within a single generative model. However, when this generative model is expressed as a powerful…

Machine Learning · Computer Science 2018-07-25 Luke B. Hewitt , Maxwell I. Nye , Andreea Gane , Tommi Jaakkola , Joshua B. Tenenbaum

We propose a new family of optimization criteria for variational auto-encoding models, generalizing the standard evidence lower bound. We provide conditions under which they recover the data distribution and learn latent features, and…

Machine Learning · Computer Science 2017-03-01 Shengjia Zhao , Jiaming Song , Stefano Ermon

Models of human motion commonly focus either on trajectory prediction or action classification but rarely both. The marked heterogeneity and intricate compositionality of human motion render each task vulnerable to the data degradation and…

Computer Vision and Pattern Recognition · Computer Science 2022-06-08 Anthony Bourached , Robert Gray , Xiaodong Guan , Ryan-Rhys Griffiths , Ashwani Jha , Parashkev Nachev

Person re-identification is a basic subject in the field of computer vision. The traditional methods have several limitations in solving the problems of person illumination like occlusion, pose variation and feature variation under complex…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Hamed Alqahtani , Manolya Kavakli-Thorne , Charles Z. Liu