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To address the issue of feature descriptors being ineffective in representing grayscale feature information when images undergo high affine transformations, leading to a rapid decline in feature matching accuracy, this paper proposes a…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Shaojie Zhang , Yinghui Wang , Bin Nan , Wei Li , Jinlong Yang , Tao Yan , Yukai Wang , Liangyi Huang , Mingfeng Wang , Ibragim R. Atadjanov

Traditional breast cancer image classification methods require manual extraction of features from medical images, which not only require professional medical knowledge, but also have problems such as time-consuming and labor-intensive and…

Image and Video Processing · Electrical Eng. & Systems 2021-04-26 Mengfan Li

In this paper we introduce Feature Gradients, a gradient-based search algorithm for feature selection. Our approach extends a recent result on the estimation of learnability in the sublinear data regime by showing that the calculation can…

Machine Learning · Statistics 2019-08-29 Rishit Sheth , Nicolo Fusi

The main finding of this work is that the standard image classification pipeline, which consists of dictionary learning, feature encoding, spatial pyramid pooling and linear classification, outperforms all state-of-the-art face recognition…

Computer Vision and Pattern Recognition · Computer Science 2013-10-01 Fumin Shen , Chunhua Shen

Generally, facial age variations affect gender classification accuracy significantly, because facial shape and skin texture change as they grow old. This requires re-examination on the gender classification system to consider facial age…

Computer Vision and Pattern Recognition · Computer Science 2018-09-10 Jun Beom Kho

As social issues related to gender bias attract closer scrutiny, accurate tools to determine the gender profile of large groups become essential. When explicit data is unavailable, gender is often inferred from names. Current methods follow…

This paper introduces feature gradient flow, a new technique for interpreting deep learning models in terms of features that are understandable to humans. The gradient flow of a model locally defines nonlinear coordinates in the input data…

Image and Video Processing · Electrical Eng. & Systems 2023-07-26 Yinzhu Jin , Jonathan C. Garneau , P. Thomas Fletcher

Automatic Gender Recognition (AGR) systems are an increasingly widespread application in the Machine Learning (ML) landscape. While these systems are typically understood as detecting gender, they often classify datapoints based on…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Camilla Quaresmini , Giacomo Zanotti

We demonstrate an approach to face attribute detection that retains or improves attribute detection accuracy across gender and race subgroups by learning demographic information prior to learning the attribute detection task. The system,…

Computer Vision and Pattern Recognition · Computer Science 2018-07-18 Hee Jung Ryu , Hartwig Adam , Margaret Mitchell

Most gender classifications methods from NIR images have used iris information. Recent work has explored the use of the whole periocular iris region which has surprisingly achieve better results. This suggests the most relevant information…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Ignacio Viedma , Juan Tapia , Andres Iturriaga , Christoph Busch

Human identification is a much attention problem in computer vision. Gender classification plays an important role in human identification as preprocess step. So far, various methods have been proposed to solve this problem. Absolutely,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-30 Shervan Fekri-Ershad

Automated gender classification has important applications in many domains, such as demographic research, law enforcement, online advertising, as well as human-computer interaction. Recent research has questioned the fairness of this…

Computer Vision and Pattern Recognition · Computer Science 2020-09-25 Anoop Krishnan , Ali Almadan , Ajita Rattani

Facial expression recognition has many potential applications which has attracted the attention of researchers in the last decade. Feature extraction is one important step in expression analysis which contributes toward fast and accurate…

Computer Vision and Pattern Recognition · Computer Science 2015-05-18 S. L. Happy , Aurobinda Routray

Analysing expressions on the person's face plays a very vital role in identifying emotions and behavior of a person. Recognizing these expressions automatically results in a crucial component of natural human-machine interfaces. Therefore…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Abhinav Lahariya , Varsha Singh , Uma Shanker Tiwary

This paper presents a novel facial sketch image or face-sketch recognition approach based on facial feature extraction. To recognize a face-sketch, we have concentrated on a set of geometric face features like eyes, nose, eyebrows, lips,…

Computer Vision and Pattern Recognition · Computer Science 2013-12-06 Sourav Pramanik , Debotosh Bhattacharjee

This paper investigates a general framework to discover categories of unlabeled scene images according to their appearances (i.e., textures and structures). We jointly solve the two coupled tasks in an unsupervised manner: (i) classifying…

Computer Vision and Pattern Recognition · Computer Science 2015-02-03 Liang Lin , Ruimao Zhang , Xiaohua Duan

Face-based age estimation has attracted enormous attention due to wide applications to public security surveillance, human-computer interaction, etc. With vigorous development of deep learning, age estimation based on deep neural network…

Computer Vision and Pattern Recognition · Computer Science 2022-05-23 Zhicheng Cao , Kaituo Zhang , Liaojun Pang , Heng Zhao

We illustrate the advantages of distance weighted discrimination for classification and feature extraction in a High Dimension Low Sample Size (HDLSS) situation. The HDLSS context is a gender classification problem of face images in which…

Applications · Statistics 2020-09-22 Mónica Benito , Eduardo García-Portugués , J. S. Marron , Daniel Peña

Bias mitigation in machine learning models is imperative, yet challenging. While several approaches have been proposed, one view towards mitigating bias is through adversarial learning. A discriminator is used to identify the bias…

Machine Learning · Computer Science 2022-02-23 Vinod K Kurmi , Rishabh Sharma , Yash Vardhan Sharma , Vinay P. Namboodiri

Accurate analysis and classification of facial attributes are essential in various applications, from human-computer interaction to security systems. In this work, a novel approach to enhance facial classification and recognition tasks…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Houting Li , Mengxuan Dong , Lok Ming Lui