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Medical image data are usually imbalanced across different classes. One-class classification has attracted increasing attention to address the data imbalance problem by distinguishing the samples of the minority class from the majority…

Image and Video Processing · Electrical Eng. & Systems 2022-04-15 Long Gao , Chang Liu , Dooman Arefan , Ashok Panigrahy , Shandong Wu

There has been a historic assumption that the biometrics of an individual are statistically uncorrelated. We test this assumption by training Bi-Encoder networks on three verification tasks, including fingerprint-to-fingerprint matching,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Matthew So , Judah Goldfeder , Mark Lis , Hod Lipson

This paper strives to address image classifier bias, with a focus on both feature and label embedding spaces. Previous works have shown that spurious correlations from protected attributes, such as age, gender, or skin tone, can cause…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 William Thong , Cees G. M. Snoek

Post-mortem iris recognition is an emerging application of iris-based human identification in a forensic setup, able to correctly identify deceased subjects even three weeks post-mortem. This technique thus is considered as an important…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Rasel Ahmed Bhuiyan , Adam Czajka

Race classification is a long-standing challenge in the field of face image analysis. The investigation of salient facial features is an important task to avoid processing all face parts. Face segmentation strongly benefits several face…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Khalil Khan , Jehad Ali , Irfan Uddin , Sahib Khan , Byeong-hee Roh

In this paper, we studied extensively on different deep learning based methods to detect melanoma and skin lesion cancers. Melanoma, a form of malignant skin cancer is very threatening to health. Proper diagnosis of melanoma at an earlier…

Computer Vision and Pattern Recognition · Computer Science 2019-01-31 Md Ashraful Alam Milton

In the recent past, different researchers have proposed privacy-enhancing face recognition systems designed to conceal soft-biometric attributes at feature level. These works have reported impressive results, but generally did not consider…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Dailé Osorio-Roig , Christian Rathgeb , Pawel Drozdowski , Philipp Terhörst , Vitomir Štruc , Christoph Busch

Deep Learning models have transformed various domains, including the healthcare sector, particularly biomedical image classification by learning intricate features and enabling accurate diagnostics pertaining to complex diseases. Recent…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Imran Ashraf , Mukhtar Ullah , Muhammad Faisal Nadeem , Muhammad Nouman Noor

Ethnicity is a key demographic attribute of human beings and it plays a vital role in automatic facial recognition and have extensive real world applications such as Human Computer Interaction (HCI); demographic based classification;…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Inzamam Anwar , Naeem Ul Islam

This study investigates the efficacy of facial micro-expressions as a soft biometric for enhancing person recognition, aiming to broaden the understanding of the subject and its potential applications. We propose a deep learning approach…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Tuval Kay , Yuval Ringel , Khen Cohen , Mor-Avi Azulay , David Mendlovic

This paper observes the application of the Compressive Sensing in reconstruction of the under-sampled iris images. Iris recognition represents form of biometric identification whose usage in real applications is growing. Compressive Sensing…

Image and Video Processing · Electrical Eng. & Systems 2019-02-11 Radoje Darmanovic , Tamara Bulatovic , Seid Salkovic

Nonlinear iris texture deformations due to pupil size variations are one of the main factors responsible for within-class variance of genuine comparison scores in iris recognition. In dominant approaches to iris recognition, the size of a…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Siamul Karim Khan , Patrick Tinsley , Adam Czajka

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

The role of soft biometrics to enhance person recognition systems in unconstrained scenarios has not been extensively studied. Here, we explore the utility of the following modalities: gender, ethnicity, age, glasses, beard, and moustache.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Ester Gonzalez-Sosa , Julian Fierrez , Ruben Vera-Rodriguez , Fernando Alonso-Fernandez

This work explores the biases in learning processes based on deep neural network architectures. We analyze how bias affects deep learning processes through a toy example using the MNIST database and a case study in gender detection from…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Ignacio Serna , Alejandro Peña , Aythami Morales , Julian Fierrez

Modern deep learning techniques can be employed to generate effective feature extractors for the task of iris recognition. The question arises: should we train such structures from scratch on a relatively large iris image dataset, or it is…

Computer Vision and Pattern Recognition · Computer Science 2020-02-21 Aidan Boyd , Adam Czajka , Kevin Bowyer

Most image segmentation algorithms are trained on binary masks formulated as a classification task per pixel. However, in applications such as medical imaging, this "black-and-white" approach is too constraining because the contrast between…

Image and Video Processing · Electrical Eng. & Systems 2020-11-19 Charley Gros , Andreanne Lemay , Julien Cohen-Adad

Iris-based identification systems are among the most popular approaches for person identification. Such systems require good-quality segmentation modules that ideally identify the regions for different eye components. This paper introduces…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Wiktor Lazarski , Maciej Zieba , Tanguy Jeanneau , Tobias Zillig , Christian Brendel

The advancements in computer vision and image processing techniques have led to emergence of new application in the domain of visual surveillance, targeted advertisement, content-based searching, and human-computer interaction etc. Out of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Aakash Singh , Vivek Kumar Singh

This chapter shows that combining Haar-Hilbert and Log-Gabor improves iris recognition performance leading to a less ambiguous biometric decision landscape in which the overlap between the experimental intra- and interclass score…

Computer Vision and Pattern Recognition · Computer Science 2012-02-09 Valentina E. Balas , Iulia M. Motoc , Alina Barbulescu
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