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Face recognition systems are usually faced with unseen domains in real-world applications and show unsatisfactory performance due to their poor generalization. For example, a well-trained model on webface data cannot deal with the ID vs.…

Computer Vision and Pattern Recognition · Computer Science 2020-03-26 Jianzhu Guo , Xiangyu Zhu , Chenxu Zhao , Dong Cao , Zhen Lei , Stan Z. Li

Heterogeneous Face Recognition (HFR) aims to expand the applicability of Face Recognition (FR) systems to challenging scenarios, enabling the matching of face images across different domains, such as matching thermal images to visible…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Anjith George , Sebastien Marcel

Person re-identification (Re-ID) is the task of matching humans across cameras with non-overlapping views that has important applications in visual surveillance. Like other computer vision tasks, this task has gained much with the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-24 Sergey Rodionov , Alexey Potapov , Hugo Latapie , Enzo Fenoglio , Maxim Peterson

This paper presents an approach to tackle the re-identification problem. This is a challenging problem due to the large variation of pose, illumination or camera view. More and more datasets are available to train machine learning models…

Computer Vision and Pattern Recognition · Computer Science 2018-07-26 Matthieu Ospici , Antoine Cecchi

Decision making algorithms, in practice, are often trained on data that exhibits a variety of biases. Decision-makers often aim to take decisions based on some ground-truth target that is assumed or expected to be unbiased, i.e., equally…

Machine Learning · Statistics 2022-07-05 Miriam Rateike , Ayan Majumdar , Olga Mineeva , Krishna P. Gummadi , Isabel Valera

Despite significant progress over the past few years, ambiguity is still a key challenge in Facial Expression Recognition (FER). It can lead to noisy and inconsistent annotation, which hinders the performance of deep learning models in…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Nhat Le , Khanh Nguyen , Quang Tran , Erman Tjiputra , Bac Le , Anh Nguyen

In this paper we present the results of the Unconstrained Ear Recognition Challenge (UERC), a group benchmarking effort centered around the problem of person recognition from ear images captured in uncontrolled conditions. The goal of the…

Biometric authentication systems play a crucial role in modern security systems. However, maintaining the balance of privacy and integrity of stored biometrics derivative data while achieving high recognition accuracy is often challenging.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Dmytro Zakharov , Oleksandr Kuznetsov , Emanuele Frontoni

Current research on soft-biometrics showed that privacy-sensitive information can be deduced from biometric templates of an individual. Since for many applications, these templates are expected to be used for recognition purposes only, this…

Computer Vision and Pattern Recognition · Computer Science 2020-02-24 Philipp Terhörst , Marco Huber , Naser Damer , Florian Kirchbuchner , Arjan Kuijper

We study the problem of unsupervised domain adaptive re-identification (re-ID) which is an active topic in computer vision but lacks a theoretical foundation. We first extend existing unsupervised domain adaptive classification theories to…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Liangchen Song , Cheng Wang , Lefei Zhang , Bo Du , Qian Zhang , Chang Huang , Xinggang Wang

Unsupervised person re-identification (ReID) aims at learning discriminative identity features without annotations. Recently, self-supervised contrastive learning has gained increasing attention for its effectiveness in unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Hao Chen , Benoit Lagadec , Francois Bremond

Racial bias is an important issue in biometric, but has not been thoroughly studied in deep face recognition. In this paper, we first contribute a dedicated dataset called Racial Faces in-the-Wild (RFW) database, on which we firmly…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Mei Wang , Weihong Deng , Jiani Hu , Xunqiang Tao , Yaohai Huang

Positive Unlabeled (PU) learning aims to learn a binary classifier from only positive and unlabeled data, which is utilized in many real-world scenarios. However, existing PU learning algorithms cannot deal with the real-world challenge in…

Machine Learning · Computer Science 2022-07-28 Zhongnian Li , Liutao Yang , Zhongchen Ma , Tongfeng Sun , Xinzheng Xu , Daoqiang Zhang

Despite the great advances in visual recognition, it has been witnessed that recognition models trained on clean images of common datasets are not robust against distorted images in the real world. To tackle this issue, we present a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-27 Taeyoung Son , Juwon Kang , Namyup Kim , Sunghyun Cho , Suha Kwak

The unprecedented capture and application of face images raise increasing concerns on anonymization to fight against privacy disclosure. Most existing methods may suffer from the problem of excessive change of the identity-independent…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Zhenzhong Kuang , Xiaochen Yang , Yingjie Shen , Chao Hu , Jun Yu

Training data are critical in face recognition systems. However, labeling a large scale face data for a particular domain is very tedious. In this paper, we propose a method to automatically and incrementally construct datasets from massive…

Computer Vision and Pattern Recognition · Computer Science 2016-11-28 Shengyong Ding , Junyu Wu , Wei Xu , Hongyang Chao

Despite the unprecedented improvement of face recognition, existing face recognition models still show considerably low performances in determining whether a pair of child and adult images belong to the same identity. Previous approaches…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Jungsoo Lee , Jooyeol Yun , Sunghyun Park , Yonggyu Kim , Jaegul Choo

Learning from positive and unlabeled (PU) data is an important problem in various applications. Most of the recent approaches for PU classification assume that the class-prior (the ratio of positive samples) in the training unlabeled…

Machine Learning · Computer Science 2021-12-16 Shota Nakajima , Masashi Sugiyama

Existing face forgery detection methods usually treat face forgery detection as a binary classification problem and adopt deep convolution neural networks to learn discriminative features. The ideal discriminative features should be only…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Wanyi Zhuang , Qi Chu , Haojie Yuan , Changtao Miao , Bin Liu , Nenghai Yu

Compressing giant neural networks has gained much attention for their extensive applications on edge devices such as cellphones. During the compressing process, one of the most important procedures is to retrain the pre-trained models using…

Machine Learning · Computer Science 2019-12-23 Yehui Tang , Shan You , Chang Xu , Boxin Shi , Chao Xu