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Matching MRI brain images between patients or mapping patients' MRI slices to the simulated atlas of a brain is key to the automatic registration of MRI of a brain. The ability to match MRI images would also enable such applications as…

Image and Video Processing · Electrical Eng. & Systems 2023-02-09 Jiří Martinů , Jan Novotný , Karel Adámek , Petr Čermák , Jiří Kozel , David Školoudík

The physiological and behavioral trait is employed to develop biometric authentication systems. The proposed work deals with the authentication of iris and signature based on minimum variance criteria. The iris patterns are preprocessed…

Computer Vision and Pattern Recognition · Computer Science 2010-08-11 S. V. Sheela , K. R. Radhika

Smartphone-based iris recognition in the visible spectrum (VIS) offers a low-cost and accessible biometric alternative but remains a challenge due to lighting variability, pigmentation effects, and the limited adoption of standardized…

Image and Video Processing · Electrical Eng. & Systems 2025-12-18 Naveenkumar G. Venkataswamy , Yu Liu , Soumyabrata Dey , Stephanie Schuckers , Masudul H. Imtiaz

Face recognition in real life situations like low illumination condition is still an open challenge in biometric security. It is well established that the state-of-the-art methods in face recognition provide low accuracy in the case of poor…

Computer Vision and Pattern Recognition · Computer Science 2019-02-26 Sumit Agarwal , Harshit S. Sikchi , Suparna Rooj , Shubhobrata Bhattacharya , Aurobinda Routray

When compared to unimodal systems, multimodal biometric systems have several advantages, including lower error rate, higher accuracy, and larger population coverage. However, multimodal systems have an increased demand for integrity and…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Veeru Talreja , Matthew Valenti , Nasser Nasrabadi

The gaze behavior of virtual avatars is critical to social presence and perceived eye contact during social interactions in Virtual Reality. Virtual Reality headsets are being designed with integrated eye tracking to enable compelling…

Human-Computer Interaction · Computer Science 2020-03-10 Brendan John , Sophie Jörg , Sanjeev Koppal , Eakta Jain

We address the fundamental performance issues of template protection (TP) for iris verification. We base our work on the popular Bloom-Filter templates protection & address the key challenges like sub-optimal performance and low…

Computer Vision and Pattern Recognition · Computer Science 2020-01-16 Kiran B. Raja , R. Raghavendra , Sushma Venkatesh , Christoph Busch

In this paper, we seek a new method in designing an iris recognition system. In this method, first the Haar wavelet features are extracted from iris images. The advantage of using these features is the high-speed extraction, as well as…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Farahnaz Hosseini , Hossein Ebrahimpour , Samaneh Askari

Recognizing a face based on its attributes is an easy task for a human to perform as it is a cognitive process. In recent years, Face Recognition is achieved with different kinds of facial features which were used separately or in a…

Computer Vision and Pattern Recognition · Computer Science 2010-11-10 S. Sakthivel , R. Lakshmipathi

Multimodal image matching is an important prerequisite for multisource image information fusion. Compared with the traditional matching problem, multimodal feature matching is more challenging due to the severe nonlinear radiation…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Jiayuan Li , Pengcheng Shi , Qingwu Hu , Yongjun Zhang

The use of biometrics to authenticate users and control access to secure areas has become extremely popular in recent years, and biometric access control systems are frequently used by both governments and private corporations. However,…

Cryptography and Security · Computer Science 2023-12-04 Justin Spencer , Deborah Lawrence , Prosenjit Chatterjee , Kaushik Roy , Albert Esterline , Jung-Hee Kim

This paper presents a unique analysis of post-mortem human iris recognition. Post-mortem human iris images were collected at the university mortuary in three sessions separated by approximately 11 hours, with the first session organized…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

We introduce, XoFTR, a cross-modal cross-view method for local feature matching between thermal infrared (TIR) and visible images. Unlike visible images, TIR images are less susceptible to adverse lighting and weather conditions but present…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Önder Tuzcuoğlu , Aybora Köksal , Buğra Sofu , Sinan Kalkan , A. Aydın Alatan

This paper proposes a novel framework for the use of eye movement patterns for biometric applications. Eye movements contain abundant information about cognitive brain functions, neural pathways, etc. In the proposed method, eye movement…

Computer Vision and Pattern Recognition · Computer Science 2016-01-14 Anjith George , Aurobinda Routray

The variation of pose, illumination and expression makes face recognition still a challenging problem. As a pre-processing in holistic approaches, faces are usually aligned by eyes. The proposed method tries to perform a pixel alignment…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Hoda Mohammadzade , Amirhossein Sayyafan , Benyamin Ghojogh

With such a massive growth in the number of images stored, efficient search in a database has become a crucial endeavor managed by image retrieval systems. Image Retrieval with Relevance Feedback (IRRF) involves iterative human interaction…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Boaz Lerner , Nir Darshan , Rami Ben-Ari

This paper presents the experimental study revealing weaker performance of the automatic iris recognition methods for cataract-affected eyes when compared to healthy eyes. There is little research on the topic, mostly incorporating scarce…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

With the rapid development of digital imaging and communication technologies, image set based face recognition (ISFR) is becoming increasingly important. One key issue of ISFR is how to effectively and efficiently represent the query face…

Computer Vision and Pattern Recognition · Computer Science 2020-03-06 Pengfei Zhu , Wangmeng Zuo , Lei Zhang , Simon C. K. Shiu , David Zhang

Biometric recognition has primarily addressed closed-set identification, assuming all probe subjects are in the gallery. However, most practical applications involve open-set biometrics, where probe subjects may or may not be present in the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Yiyang Su , Minchul Kim , Feng Liu , Anil Jain , Xiaoming Liu

Radio imaging is rapidly gaining prominence in the design of future communication systems, with the potential to utilize reconfigurable intelligent surfaces (RISs) as imaging apertures. Although the sparsity of targets in three-dimensional…

Information Theory · Computer Science 2024-04-09 Yixuan Huang , Jie Yang , Wankai Tang , Chao-Kai Wen , Shi Jin