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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…

Computer Vision and Pattern Recognition · Computer Science 2021-06-28 Jing Xu , Tszhang Guo , Yong Xu , Zenglin Xu , Kun Bai

Regression tasks in computer vision, such as age estimation or counting, are often formulated into classification by quantizing the target space into classes. Yet real-world data is often imbalanced -- the majority of training samples lie…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Haipeng Xiong , Angela Yao

In recent years, vision transformers have been introduced into face recognition and analysis and have achieved performance breakthroughs. However, most previous methods generally train a single model or an ensemble of models to perform the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Lixiong Qin , Mei Wang , Chao Deng , Ke Wang , Xi Chen , Jiani Hu , Weihong Deng

We propose a deep learning-based feature fusion approach for facial computing including face recognition as well as gender, race and age detection. Instead of training a single classifier on face images to classify them based on the…

Computer Vision and Pattern Recognition · Computer Science 2016-10-17 Wei Li , Zhigang Zhu

Long-tailed image recognition presents massive challenges to deep learning systems since the imbalance between majority (head) classes and minority (tail) classes severely skews the data-driven deep neural networks. Previous methods tackle…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yue Xu , Yong-Lu Li , Jiefeng Li , Cewu Lu

This study proposes a method for imbalanced data classification based on deep probabilistic graphical models (DPGMs) to solve the problem that traditional methods have insufficient learning ability for minority class samples. To address the…

Machine Learning · Computer Science 2025-04-09 Yujia Lou , Jie Liu , Yuan Sheng , Jiawei Wang , Yiwei Zhang , Yaokun Ren

Graph classification, aiming at learning the graph-level representations for effective class assignments, has received outstanding achievements, which heavily relies on high-quality datasets that have balanced class distribution. In fact,…

Machine Learning · Computer Science 2023-09-06 Siyu Yi , Zhengyang Mao , Wei Ju , Yongdao Zhou , Luchen Liu , Xiao Luo , Ming Zhang

Published research highlights the presence of demographic bias in automated facial attribute classification algorithms, particularly impacting women and individuals with darker skin tones. Existing bias mitigation techniques typically…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Ayesha Manzoor , Ajita Rattani

Recognizability, a key perceptual factor in human face processing, strongly affects the performance of face recognition (FR) systems in both verification and identification tasks. Effectively using recognizability to enhance feature…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Duc-Phuong Doan-Ngo , Thanh-Dang Diep , Thanh Nguyen-Duc , Thanh-Sach LE , Nam Thoai

As an emerging topic in face recognition, designing margin-based loss functions can increase the feature margin between different classes for enhanced discriminability. More recently, the idea of mining-based strategies is adopted to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Yuge Huang , Yuhan Wang , Ying Tai , Xiaoming Liu , Pengcheng Shen , Shaoxin Li , Jilin Li , Feiyue Huang

Face aging is to render a given face to predict its future appearance, which plays an important role in the information forensics and security field as the appearance of the face typically varies with age. Although impressive results have…

Computer Vision and Pattern Recognition · Computer Science 2021-01-27 Zhizhong Huang , Shouzhen Chen , Junping Zhang , Hongming Shan

In recent years, deep face recognition methods have demonstrated impressive results on in-the-wild datasets. However, these methods have shown a significant decline in performance when applied to real-world low-resolution benchmarks like…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Mohammad Saeed Ebrahimi Saadabadi , Sahar Rahimi Malakshan , Hossein Kashiani , Nasser M. Nasrabadi

The fact that image datasets are often imbalanced poses an intense challenge for deep learning techniques. In this paper, we propose a method to restore the balance in imbalanced images, by coalescing two concurrent methods, generative…

Machine Learning · Computer Science 2020-04-09 Pourya Shamsolmoali , Masoumeh Zareapoor , Linlin Shen , Abdul Hamid Sadka , Jie Yang

Published studies have suggested the bias of automated face-based gender classification algorithms across gender-race groups. Specifically, unequal accuracy rates were obtained for women and dark-skinned people. To mitigate the bias of…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Sreeraj Ramachandran , Ajita Rattani

Class imbalance is a common challenge in machine learning and data mining, often leading to suboptimal performance in classifiers. While deep learning excels in feature extraction, its performance still deteriorates under imbalanced data.…

Machine Learning · Computer Science 2025-12-24 Sukumar Kishanthan , Asela Hevapathige

In this paper, we propose a progressive margin loss (PML) approach for unconstrained facial age classification. Conventional methods make strong assumption on that each class owns adequate instances to outline its data distribution, likely…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Zongyong Deng , Hao Liu , Yaoxing Wang , Chenyang Wang , Zekuan Yu , Xuehong Sun

The age estimation task aims to use facial features to predict the age of people and is widely used in public security, marketing, identification, and other fields. However, the features are mainly concentrated in facial keypoints, and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Yiping Zhang , Yuntao Shou , Tao Meng , Wei Ai , Keqin Li

As facial appearance is subject to significant intra-class variations caused by the aging process over time, age-invariant face recognition (AIFR) remains a major challenge in face recognition community. To reduce the intra-class…

Computer Vision and Pattern Recognition · Computer Science 2018-10-18 Yitong Wang , Dihong Gong , Zheng Zhou , Xing Ji , Hao Wang , Zhifeng Li , Wei Liu , Tong Zhang

Brain age estimation based on magnetic resonance imaging (MRI) is an active research area in early diagnosis of some neurodegenerative diseases (e.g. Alzheimer, Parkinson, Huntington, etc.) for elderly people or brain underdevelopment for…

Image and Video Processing · Electrical Eng. & Systems 2021-08-04 Ruizhe Li , Matteo Bastiani , Dorothee Auer , Christian Wagner , Xin Chen

Although impressive results have been achieved for age progression and regression, there remain two major issues in generative adversarial networks (GANs)-based methods: 1) conditional GANs (cGANs)-based methods can learn various effects…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Zhizhong Huang , Junping Zhang , Hongming Shan