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Related papers: Iris Recognition Based on LBP and Combined LVQ Cla…

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In this paper, we are interested in iris biometric applications. More precisely, our contribution consists in designing both a pupil detection and a tracking procedure from video sequences acquired by low-cost webcams. The novelty of our…

Image and Video Processing · Electrical Eng. & Systems 2020-02-27 Nedra Benletaief , Amel Benazza-Benyahia , Stephane Derrode

In the last few years, face morphing has been shown to be a complex challenge for Face Recognition Systems (FRS). Thus, the evaluation of other biometric modalities such as fingerprint, iris, and others must be explored and evaluated to…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Juan E. Tapia , Sebastian Gonzalez , Daniel Benalcazar , Christoph Busch

Biometrics systems have significantly improved person identification and authentication, playing an important role in personal, national, and global security. However, these systems might be deceived (or "spoofed") and, despite the recent…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 David Menotti , Giovani Chiachia , Allan Pinto , William Robson Schwartz , Helio Pedrini , Alexandre Xavier Falcao , Anderson Rocha

The numbers of persons who can be enrolled by their iris patterns with no identity collisions is studied in relation to the biometric entropy extracted, and the decision operating threshold. The population size at which identity collision…

Cryptography and Security · Computer Science 2023-08-08 John Daugman

This paper proposes the first known to us open source hardware and software iris recognition system with presentation attack detection (PAD), which can be easily assembled for about 75 USD using Raspberry Pi board and a few peripherals. The…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Zhaoyuan Fang , Adam Czajka

Despite the rise of deep learning in numerous areas of computer vision and image processing, iris recognition has not benefited considerably from these trends so far. Most of the existing research on deep iris recognition is focused on new…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Juš Lozej , Dejan Štepec , Vitomir Štruc , Peter Peer

In the beginning stage, face verification is done using easy method of geometric algorithm models, but the verification route has now developed into a scientific progress of complicated geometric representation and identical procedure. In…

Computer Vision and Pattern Recognition · Computer Science 2014-03-24 V. Karthikeyan , K. Vijayalakshmi , P. Jeyakumar

Multimodal biometric identification has been grown a great attention in the most interests in the security fields. In the real world there exist modern system devices that are able to detect, recognize, and classify the human identities…

Computer Vision and Pattern Recognition · Computer Science 2017-06-05 M. Y. Shams , A. S. Tolba , S. H. Sarhan

This paper discusses some topics related to the latest trends in the field of evolutionary approaches to iris recognition. It presents the results of an exploratory experimental simulation whose goal was to analyze the possibility of…

Computer Vision and Pattern Recognition · Computer Science 2011-06-21 Nicolaie Popescu-Bodorin , Valentina E. Balas

Local descriptors used in face recognition are robust in a sense that these descriptors perform well in varying pose, illumination and lighting conditions. Accuracy of these descriptors depends on the precision of mapping the relationship…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Soumendu Chakraborty , Satish Kumar Singh , Pavan Chakraborty

The massive availability of cameras results in a wide variability of imaging conditions, producing large intra-class variations and a significant performance drop if heterogeneous images are compared for person recognition. However, as…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Fernando Alonso-Fernandez , Kiran B. Raja , R. Raghavendra , Cristoph Busch , Josef Bigun , Ruben Vera-Rodriguez , Julian Fierrez

This paper presents a method for segmenting iris images obtained from the deceased subjects, by training a deep convolutional neural network (DCNN) designed for the purpose of semantic segmentation. Post-mortem iris recognition has recently…

Computer Vision and Pattern Recognition · Computer Science 2018-07-12 Mateusz Trokielewicz , Adam Czajka

We introduce a multi-scale Image Super Resolution (ISR) method building on recent advances in Visual Auto-Regressive (VAR) modeling. VAR models break image tokenization into additive, gradually increasing scales, using Residual Quantization…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Isma Hadji , Enrique Sanchez , Adrian Bulat , Brais Martinez , Georgios Tzimiropoulos

Human visual brain use three main component such as color, texture and shape to detect or identify environment and objects. Hence, texture analysis has been paid much attention by scientific researchers in last two decades. Texture features…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Akshakhi Kumar Pritoonka , Faeze Kiani

Faces are highly deformable objects which may easily change their appearance over time. Not all face areas are subject to the same variability. Therefore decoupling the information from independent areas of the face is of paramount…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Dakshina Ranjan Kisku , Massimo Tistarelli , Jamuna Kanta Sing , Phalguni Gupta

Iris recognition is widely recognized as one of the most accurate biometric modalities. However, its growing deployment in real-world applications raises significant concerns regarding its vulnerability to Presentation Attacks (PAs).…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Raghavendra Ramachandra , Sushma Venkatesh

Iris recognition is increasingly used in large-scale applications. As a result, presentation attack detection for iris recognition takes on fundamental importance. This survey covers the diverse research literature on this topic. Different…

Computer Vision and Pattern Recognition · Computer Science 2018-06-14 Adam Czajka , Kevin W. Bowyer

Face detection is an essential step in many computer vision applications like surveillance, tracking, medical analysis, facial expression analysis etc. Several approaches have been made in the direction of face detection. Among them,…

Computer Vision and Pattern Recognition · Computer Science 2015-05-14 Anjith George , Anirban Dasgupta , Aurobinda Routray

Human face perception is currently an active research area in the computer vision community. Skin detection is one of the most important and primary stages for this purpose. So far, many approaches are proposed to done this case. Near all…

Computer Vision and Pattern Recognition · Computer Science 2014-07-24 Reza Azad , Fatemeh Davami

We first, introduce a deep learning based framework named as DeepIrisNet2 for visible spectrum and NIR Iris representation. The framework can work without classical iris normalization step or very accurate iris segmentation; allowing to…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Abhishek Gangwar , Akanksha Joshi , Padmaja Joshi , R. Raghavendra