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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…

计算机视觉与模式识别 · 计算机科学 2018-07-12 Mateusz Trokielewicz , Adam Czajka

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…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Rasel Ahmed Bhuiyan , Adam Czajka

In this study the authors will look at the detection and segmentation of the iris and its influence on the overall performance of the iris-biometric tool chain. The authors will examine whether the segmentation accuracy, based on…

计算机视觉与模式识别 · 计算机科学 2022-11-11 Heinz Hofbauer , Fernando Alonso-Fernandez , Josef Bigun , Andreas Uhl

Post-mortem iris recognition can offer an additional forensic method of personal identification. However, in contrary to already well-established human examination of fingerprints, making iris recognition human-interpretable is harder, and…

计算机视觉与模式识别 · 计算机科学 2019-10-10 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

This paper delivers a new database of iris images collected in visible light using a mobile phone's camera and presents results of experiments involving existing commercial and open-source iris recognition methods, namely: IriCore, VeriEye,…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Mateusz Trokielewicz

The current developments in the field of machine vision have opened new vistas towards deploying multimodal biometric recognition systems in various real-world applications. These systems have the ability to deal with the limitations of…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Bilal Hassan , Ramsha Ahmed , Taimur Hassan , Naoufel Werghi

The assessment of iris uniqueness plays a crucial role in analyzing the capabilities and limitations of iris recognition systems. Among the various methodologies proposed, Daugman's approach to iris uniqueness stands out as one of the most…

计算机视觉与模式识别 · 计算机科学 2023-06-23 Katelyn M. Hampel , Jinyu Zuo , Priyanka Das , Natalia A. Schmid , Stephanie Schuckers , Joseph Skufca , Matthew C. Valenti

Face analysis is a core part of computer vision, in which remarkable progress has been observed in the past decades. Current methods achieve recognition and tracking with invariance to fundamental modes of variation such as illumination, 3D…

计算机视觉与模式识别 · 计算机科学 2018-03-12 Grigorios G. Chrysos , Paolo Favaro , Stefanos Zafeiriou

With increasing interest in employing iris biometrics as a forensic tool for identification by investigation authorities, there is a need for a thorough examination and understanding of post-mortem decomposition processes that take place…

计算机视觉与模式识别 · 计算机科学 2019-11-11 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

This paper proposes a deep feature extractor for iris recognition at arbitrary resolutions. Resolution degradation reduces the recognition performance of deep learning models trained by high-resolution images. Using various-resolution…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Yuho Shoji , Yuka Ogino , Takahiro Toizumi , Atsushi Ito

Biometric presentation attack detection is gaining increasing attention. Users of mobile devices find it more convenient to unlock their smart applications with finger, face or iris recognition instead of passwords. In this paper, we survey…

计算机视觉与模式识别 · 计算机科学 2020-05-04 Yomna Safaa El-Din , Mohamed N. Moustafa , Hani Mahdi

In this survey, we provide a comprehensive review of more than 200 papers, technical reports, and GitHub repositories published over the last 10 years on the recent developments of deep learning techniques for iris recognition, covering…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Kien Nguyen , Hugo Proença , Fernando Alonso-Fernandez

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…

计算机视觉与模式识别 · 计算机科学 2016-11-17 David Menotti , Giovani Chiachia , Allan Pinto , William Robson Schwartz , Helio Pedrini , Alexandre Xavier Falcao , Anderson Rocha

Deformable registration consists of finding the best dense correspondence between two different images. Many algorithms have been published, but the clinical application was made difficult by the high calculation time needed to solve the…

计算机视觉与模式识别 · 计算机科学 2021-11-25 Théo Estienne , Maria Vakalopoulou , Enzo Battistella , Theophraste Henry , Marvin Lerousseau , Amaury Leroy , Nikos Paragios , Eric Deutsch

Despite the fact that DeepFake forgery detection algorithms have achieved impressive performance on known manipulations, they often face disastrous performance degradation when generalized to an unseen manipulation. Some recent works show…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Chuer Yu , Xuhong Zhang , Yuxuan Duan , Senbo Yan , Zonghui Wang , Yang Xiang , Shouling Ji , Wenzhi Chen

This paper presents an analysis of how iris recognition is influenced by eye disease and an appropriate dataset comprising 2996 images of irises taken from 230 distinct eyes (including 184 affected by more than 20 different eye conditions).…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

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…

计算机视觉与模式识别 · 计算机科学 2013-03-05 Belhassen Akrout , Imen Khanfir Kallel , Chokri Ben Amar

The dilation of the pupil and it's variation between a mated pair of irides has been found to be an important factor in the performance of iris recognition systems. Studies on adult irides indicated significant impact of dilation on iris…

图像与视频处理 · 电气工程与系统科学 2020-09-03 Priyanka Das , Laura Holsopple , Michael Schuckers , Stephanie Schuckers

Blind iris images, which result from unknown degradation during the process of iris recognition at long distances, often lead to decreased iris recognition rates. Currently, little existing literature offers a solution to this problem. In…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Qi Xiong , Xinman Zhang , Jun Shen

Geometric shape features have been widely used as strong predictors for image classification. Nevertheless, most existing classifiers such as deep neural networks (DNNs) directly leverage the statistical correlations between these shape…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Tonmoy Hossain , Jing Ma , Jundong Li , Miaomiao Zhang