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In recent years, the performance of face verification and recognition systems based on deep convolutional neural networks (DCNNs) has significantly improved. A typical pipeline for face verification includes training a deep network for…

计算机视觉与模式识别 · 计算机科学 2019-02-05 Rajeev Ranjan , Ankan Bansal , Hongyu Xu , Swami Sankaranarayanan , Jun-Cheng Chen , Carlos D. Castillo , Rama Chellappa

The softmax-based loss functions and its variants (e.g., cosface, sphereface, and arcface) significantly improve the face recognition performance in wild unconstrained scenes. A common practice of these algorithms is to perform…

计算机视觉与模式识别 · 计算机科学 2022-08-25 Hongwei Xu , Suncheng Xiang , Dahong Qian

In current practical face authentication systems, most face recognition (FR) algorithms are based on cosine similarity with softmax classification. Despite its reliable classification performance, this method struggles with hard samples. A…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Fan Xie , Yang Wang , Yikang Jiao , Zhenyu Yuan , Congxi Chen , Chuanxin Zhao

Thanks to the recent developments of Convolutional Neural Networks, the performance of face verification methods has increased rapidly. In a typical face verification method, feature normalization is a critical step for boosting…

计算机视觉与模式识别 · 计算机科学 2017-07-27 Feng Wang , Xiang Xiang , Jian Cheng , Alan L. Yuille

Face recognition has witnessed significant progress due to the advances of deep convolutional neural networks (CNNs), the central task of which is how to improve the feature discrimination. To this end, several margin-based (\textit{e.g.},…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Xiaobo Wang , Shifeng Zhang , Shuo Wang , Tianyu Fu , Hailin Shi , Tao Mei

With the development of deep learning, Deep Metric Learning (DML) has achieved great improvements in face recognition. Specifically, the widely used softmax loss in the training process often bring large intra-class variations, and feature…

计算机视觉与模式识别 · 计算机科学 2018-05-02 Bowen Wu , Huaming Wu , Monica M. Y. Zhang

Learning the discriminative features of different faces is an important task in face recognition. By extracting face features in neural networks, it becomes easy to measure the similarity of different face images, which makes face…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Jiamu Xu , Xiaoxiang Liu , Xinyuan Zhang , Yain-Whar Si , Xiaofan Li , Zheng Shi , Ke Wang , Xueyuan Gong

Deep Convolutional Neural Networks (DCNNs) and their variants have been widely used in large scale face recognition(FR) recently. Existing methods have achieved good performance on many FR benchmarks. However, most of them suffer from two…

计算机视觉与模式识别 · 计算机科学 2021-06-28 Jing Xu , Tszhang Guo , Yong Xu , Zenglin Xu , Kun Bai

The key challenge of face recognition is to develop effective feature representations for reducing intra-personal variations while enlarging inter-personal differences. In this paper, we show that it can be well solved with deep learning…

计算机视觉与模式识别 · 计算机科学 2014-06-19 Yi Sun , Xiaogang Wang , Xiaoou Tang

Cosine-based softmax losses significantly improve the performance of deep face recognition networks. However, these losses always include sensitive hyper-parameters which can make training process unstable, and it is very tricky to set…

计算机视觉与模式识别 · 计算机科学 2019-05-08 Xiao Zhang , Rui Zhao , Junjie Yan , Mengya Gao , Yu Qiao , Xiaogang Wang , Hongsheng Li

Recently, fully-connected and convolutional neural networks have been trained to achieve state-of-the-art performance on a wide variety of tasks such as speech recognition, image classification, natural language processing, and…

机器学习 · 计算机科学 2015-02-24 Yichuan Tang

Face recognition has witnessed significant progresses due to the advances of deep convolutional neural networks (CNNs), the central challenge of which, is feature discrimination. To address it, one group tries to exploit mining-based…

计算机视觉与模式识别 · 计算机科学 2019-01-01 Xiaobo Wang , Shuo Wang , Shifeng Zhang , Tianyu Fu , Hailin Shi , Tao Mei

This paper addresses deep face recognition (FR) problem under 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.…

计算机视觉与模式识别 · 计算机科学 2018-01-31 Weiyang Liu , Yandong Wen , Zhiding Yu , Ming Li , Bhiksha Raj , Le Song

Face recognition is one of the most widely publicized feature in the devices today and hence represents an important problem that should be studied with the utmost priority. As per the recent trends, the Convolutional Neural Network (CNN)…

计算机视觉与模式识别 · 计算机科学 2019-11-07 Yash Srivastava , Vaishnav Murali , Shiv Ram Dubey

In this paper, we propose a conceptually simple and geometrically interpretable objective function, i.e. additive margin Softmax (AM-Softmax), for deep face verification. In general, the face verification task can be viewed as a metric…

计算机视觉与模式识别 · 计算机科学 2018-05-31 Feng Wang , Weiyang Liu , Haijun Liu , Jian Cheng

With the development of convolutional neural network, significant progress has been made in computer vision tasks. However, the commonly used loss function softmax loss and highly efficient network architecture for common visual tasks are…

计算机视觉与模式识别 · 计算机科学 2019-09-27 Xianyang Li , Feng Wang , Qinghao Hu , Cong Leng

State-of-the-art deep face recognition methods are mostly trained with a softmax-based multi-class classification framework. Despite being popular and effective, these methods still have a few shortcomings that limit empirical performance.…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Yandong Wen , Weiyang Liu , Adrian Weller , Bhiksha Raj , Rita Singh

Face recognition (FR) using deep convolutional neural networks (DCNNs) has seen remarkable success in recent years. One key ingredient of DCNN-based FR is the appropriate design of a loss function that ensures discrimination between various…

计算机视觉与模式识别 · 计算机科学 2021-03-08 Syed Safwan Khalid , Muhammad Awais , Chi-Ho Chan , Zhenhua Feng , Ammarah Farooq , Ali Akbari , Josef Kittler

Face recognition has made extraordinary progress owing to the advancement of deep convolutional neural networks (CNNs). The central task of face recognition, including face verification and identification, involves face feature…

计算机视觉与模式识别 · 计算机科学 2018-04-04 Hao Wang , Yitong Wang , Zheng Zhou , Xing Ji , Dihong Gong , Jingchao Zhou , Zhifeng Li , Wei Liu

The popular softmax loss and its recent extensions have achieved great success in the deep learning-based image classification. However, the data for training image classifiers usually has different quality. Ignoring such problem, the…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Weihua Liu , Xiabi Liu , Murong Wang , Ling Ma
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