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This paper proposes a new framework to detect, segment, and estimate the localization of the eyes from a periocular Near-Infra-Red iris image under alcohol consumption. The purpose of the system is to measure the fitness for duty. Fitness…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Juan Tapia , Enrique Lopez Droguett , Andres Valenzuela , Daniel Benalcazar , Leonardo Causa , Christoph Busch

Finding the eye and parsing out the parts (e.g. pupil and iris) is a key prerequisite for image-based eye tracking, which has become an indispensable module in today's head-mounted VR/AR devices. However, a typical route for training a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Jiangfan Deng , Zhuang Jia , Zhaoxue Wang , Xiang Long , Daniel K. Du

This paper proposes the first known to us iris recognition methodology designed specifically for post-mortem samples. We propose to use deep learning-based iris segmentation models to extract highly irregular iris texture areas in…

Computer Vision and Pattern Recognition · Computer Science 2019-10-09 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

As a stable biometric system, iris has recently attracted great attention among the researchers. However, research is still needed to provide appropriate solutions to ensure the resistance of the system against error factors. The present…

Computer Vision and Pattern Recognition · Computer Science 2013-12-17 Maryam Soltanali Khalili , Hamed Sadjedi

The iris can be considered as one of the most important biometric traits due to its high degree of uniqueness. Iris-based biometrics applications depend mainly on the iris segmentation whose suitability is not robust for different…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Cides S. Bezerra , Rayson Laroca , Diego R. Lucio , Evair Severo , Lucas F. Oliveira , Alceu S. Britto , David Menotti

Biometric technologies are the foundation of personal identification systems. It provides an identification based on a unique feature possessed by the individual. This paper provides a walkthrough for image acquisition, segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2011-11-23 S. Nithyanandam , K. S. Gayathri , P. L. K. Priyadarshini

Iris segmentation is a deterministic part of the iris recognition system. Unreliable segmentation of iris regions especially the limbic area is still the bottleneck problem, which impedes more accurate recognition. To make further efforts…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Jianze Wei , Huaibo Huang , Muyi Sun , Yunlong Wang , Min Ren , Ran He , Zhenan Sun

Recognition of iris based on Visible Light (VL) imaging is a difficult problem because of the light reflection from the cornea. Nonetheless, pigment melanin provides a rich feature source in VL, unavailable in Near-Infrared (NIR) imaging.…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Mahdi S. Hosseini , Babak N. Araabi , Hamid Soltanian-Zadeh

Ellipse fitting, an essential component in pupil or iris tracking based video oculography, is performed on previously segmented eye parts generated using various computer vision techniques. Several factors, such as occlusions due to eyelid…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Rakshit S. Kothari , Aayush K. Chaudhary , Reynold J. Bailey , Jeff B. Pelz , Gabriel J. Diaz

Iris recognition, a relatively new biometric technology, has great advantages, such as variability, stability and security, thus is the most promising for high security environment. Iris recognition is proposed in this report. We describe…

Computer Vision and Pattern Recognition · Computer Science 2013-03-05 Belhassen Akrout , Imen Khanfir Kallel , Chokri Ben Amar

In this work, we propose to detect the iris and periocular regions simultaneously using coarse annotations and two well-known object detectors: YOLOv2 and Faster R-CNN. We believe coarse annotations can be used in recognition systems based…

Computer Vision and Pattern Recognition · Computer Science 2021-05-14 Diego R. Lucio , Rayson Laroca , Luiz A. Zanlorensi , Gladston Moreira , David Menotti

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

Iris serves as one of the best biometric modality owing to its complex, unique and stable structure. However, it can still be spoofed using fabricated eyeballs and contact lens. Accurate identification of contact lens is must for reliable…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Avantika Singh , Vishesh Mistry , Dhananjay Yadav , Aditya Nigam

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

The selection of the optimal feature subset and the classification has become an important issue in the field of iris recognition. In this paper we propose several methods for iris feature subset selection and vector creation. The…

Computer Vision and Pattern Recognition · Computer Science 2009-06-29 Amir Azizi , Hamid Reza Pourreza

This paper proposes a fast eye detection method that is based on a Siamese network for near infrared (NIR) partial face images. NIR partial face images do not include the whole face of a subject since they are captured using iris…

Computer Vision and Pattern Recognition · Computer Science 2023-01-05 Yuka Ogino , Yuho Shoji , Takahiro Toizumi , Ryoma Oami , Masato Tsukada

Subject matching performance in iris biometrics is contingent upon fast, high-quality iris segmentation. In many cases, iris biometrics acquisition equipment takes a number of images in sequence and combines the segmentation and matching…

Computer Vision and Pattern Recognition · Computer Science 2019-01-08 Jeffery Kinnison , Mateusz Trokielewicz , Camila Carballo , Adam Czajka , Walter Scheirer

With the immersive development in the field of augmented and virtual reality, accurate and speedy eye-tracking is required. Facebook Research has organized a challenge, named OpenEDS Semantic Segmentation challenge for per-pixel…

Computer Vision and Pattern Recognition · Computer Science 2019-10-09 Priya Kansal , Sabari Nathan

Normalization layers are essential in a Deep Convolutional Neural Network (DCNN). Various normalization methods have been proposed. The statistics used to normalize the feature maps can be computed at batch, channel, or instance level.…

Image and Video Processing · Electrical Eng. & Systems 2019-08-27 Xiao-Yun Zhou , Peichao Li , Zhao-Yang Wang , Guang-Zhong Yang

Augmented and virtual reality is being deployed in different fields of applications. Such applications might involve accessing or processing critical and sensitive information, which requires strict and continuous access control. Given that…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Fadi Boutros , Naser Damer , Kiran Raja , Raghavendra Ramachandra , Florian Kirchbuchner , Arjan Kuijper