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Person re-identification aims to match images of the same person across disjoint camera views, which is a challenging problem in video surveillance. The major challenge of this task lies in how to preserve the similarity of the same person…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Jiayun Wang , Sanping Zhou , Jinjun Wang , Qiqi Hou

This paper addresses the deep face recognition problem under an open-set protocol, where ideal face features are expected to have smaller maximal intra-class distance than minimal inter-class distance under a suitably chosen metric space.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Weiyang Liu , Yandong Wen , Bhiksha Raj , Rita Singh , Adrian Weller

In this paper, we propose a novel face alignment method that trains deep convolutional network from coarse to fine. It divides given landmarks into principal subset and elaborate subset. We firstly keep a large weight for principal subset…

Computer Vision and Pattern Recognition · Computer Science 2016-08-02 Zhiwen Shao , Shouhong Ding , Yiru Zhao , Qinchuan Zhang , Lizhuang Ma

For the past decades, face recognition (FR) has been actively studied in computer vision and pattern recognition society. Recently, due to the advances in deep learning, the FR technology shows high performance for most of the benchmark…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Hyung-Il Kim , Kimin Yun , Yong Man Ro

Person re-identification is a challenging task because of the high intra-class variance induced by the unrestricted nuisance factors of variations such as pose, illumination, viewpoint, background, and sensor noise. Recent approaches…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Sinan Sabri , Zaigham Randhawa , Gianfranco Doretto

Many loss functions have been derived from cross-entropy loss functions such as large-margin softmax loss and focal loss. The large-margin softmax loss makes the classification more rigorous and prevents overfitting. The focal loss…

Computer Vision and Pattern Recognition · Computer Science 2023-02-10 Jiajie Chen

Facial Attribute Classification (FAC) has attracted increasing attention in computer vision and pattern recognition. However, state-of-the-art FAC methods perform face detection/alignment and FAC independently. The inherent dependencies…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Longbiao Mao , Yan Yan , Jing-Hao Xue , Hanzi Wang

In the field of face recognition, a model learns to distinguish millions of face images with fewer dimensional embedding features, and such vast information may not be properly encoded in the conventional model with a single branch. We…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Yonghyun Kim , Wonpyo Park , Myung-Cheol Roh , Jongju Shin

We propose a deep metric learning model to create embedded sub-spaces with a well defined structure. A new loss function that imposes Gaussian structures on the output space is introduced to create these sub-spaces thus shaping the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-07 Pedro D. Marrero Fernandez , Tsang Ing Ren , Tsang Ing Jyh , Fidel A. Guerrero Peña , Alexandre Cunha

Face forgery detection is raising ever-increasing interest in computer vision since facial manipulation technologies cause serious worries. Though recent works have reached sound achievements, there are still unignorable problems: a)…

Computer Vision and Pattern Recognition · Computer Science 2021-03-17 Jiaming Li , Hongtao Xie , Jiahong Li , Zhongyuan Wang , Yongdong Zhang

With the growing attention on data privacy and communication security in face recognition applications, federated learning has been introduced to learn a face recognition model with decentralized datasets in a privacy-preserving manner.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Di Qiu , Xinyang Lin , Kaiye Wang , Xiangxiang Chu , Pengfei Yan

Multimodal aspect-based sentiment analysis(MABSA) seeks to identify aspect terms within paired image-text data and determine their fine grained sentiment polarities, representing a fundamental task for improving the effectiveness of…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Xiaoqiang He

With advances in digital technology, the classification of medical images has become a crucial step for image-based clinical decision support systems. Automatic medical image classification represents a pivotal domain where the use of AI…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Abu Adnan Sadi , Labib Chowdhury , Nusrat Jahan , Mohammad Newaz Sharif Rafi , Radeya Chowdhury , Faisal Ahamed Khan , Nabeel Mohammed

Face recognition performance based on deep learning heavily relies on large-scale training data, which is often difficult to acquire in practical applications. To address this challenge, this paper proposes a GAN-based data augmentation…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Zhongwen Li , Zongwei Li , Xiaoqi Li

The datasets of face recognition contain an enormous number of identities and instances. However, conventional methods have difficulty in reflecting the entire distribution of the datasets because a mini-batch of small size contains only a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Yonghyun Kim , Wonpyo Park , Jongju Shin

Recent methods for deep metric learning have been focusing on designing different contrastive loss functions between positive and negative pairs of samples so that the learned feature embedding is able to pull positive samples of the same…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Shichao Kan , Zhiquan He , Yigang Cen , Yang Li , Vladimir Mladenovic , Zhihai He

Face recognition is known to exhibit bias - subjects in a certain demographic group can be better recognized than other groups. This work aims to learn a fair face representation, where faces of every group could be more equally…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Sixue Gong , Xiaoming Liu , Anil K. Jain

Most of previous deepfake detection researches bent their efforts to describe and discriminate artifacts in human perceptible ways, which leave a bias in the learned networks of ignoring some critical invariance features intra-class and…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Ruiqi Zha , Zhichao Lian , Qianmu Li , Siqi Gu

The usage of convolutional neural networks (CNNs) in conjunction with a margin-based softmax approach demonstrates a state-of-the-art performance for the face recognition problem. Recently, lightweight neural network models trained with the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-06 David Svitov , Sergey Alyamkin

Facial expressions are important cues to observe human emotions. Facial expression recognition has attracted many researchers for years, but it is still a challenging topic since expression features vary greatly with the head poses,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 S. D. Lalitha , K. K. Thyagharajan
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