中文
相关论文

相关论文: Iris Recognition After Death

200 篇论文

The iris pattern has significantly improved the biometric recognition field due to its high level of stability and uniqueness. Such physical feature has played an important role in security and other related areas. However, presentation…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Gabriela Y. Kimura , Diego R. Lucio , Alceu S. Britto , David Menotti

Periocular refers to the facial region in the vicinity of the eye, including eyelids, lashes and eyebrows. While face and irises have been extensively studied, the periocular region has emerged as a promising trait for unconstrained…

计算机视觉与模式识别 · 计算机科学 2018-10-09 Fernando Alonso-Fernandez , Josef Bigun

The lack of resolution has a negative impact on the performance of image-based biometrics. Many applications which are becoming ubiquitous in mobile devices do not operate in a controlled environment, and their performance significantly…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Fernando Alonso-Fernandez , Reuben A. Farrugia , Julian Fierrez , Josef Bigun

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,…

计算机视觉与模式识别 · 计算机科学 2011-11-23 S. Nithyanandam , K. S. Gayathri , P. L. K. Priyadarshini

This paper offers three new, open-source, deep learning-based iris segmentation methods, and the methodology how to use irregular segmentation masks in a conventional Gabor-wavelet-based iris recognition. To train and validate the methods,…

计算机视觉与模式识别 · 计算机科学 2019-01-07 Daniel Kerrigan , Mateusz Trokielewicz , Adam Czajka , Kevin Bowyer

This paper proposes two new open-source iris recognition algorithms, providing both Python and IREX-compliant C++ implementations to be submitted to the official IREX X program. This work has two primary goals: (a) to conduct the first-ever…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Siamul Karim Khan , Patrick J. Flynn , Adam Czajka

Interface Region Imaging Spectrograph (IRIS) bursts are localised features thought to be driven by magnetic reconnection. Although these events are well-studied, it remains unknown whether their properties vary as their host active regions…

太阳与恒星天体物理 · 物理学 2022-10-12 C. J. Nelson , L. Kleint

For distant iris recognition, a long focal length lens is generally used to ensure the resolution ofiris images, which reduces the depth of field and leads to potential defocus blur. To accommodate users at different distances, it is…

计算机视觉与模式识别 · 计算机科学 2021-06-30 Leyuan Wang , Kunbo Zhang , Yunlong Wang , Zhenan Sun

Smartphone-based iris recognition in the visible spectrum (VIS) remains difficult due to illumination variability, pigmentation differences, and the absence of standardized capture controls. This work presents a compact end-to-end pipeline…

图像与视频处理 · 电气工程与系统科学 2026-02-23 Naveenkumar G Venkataswamy , Yu Liu , Soumyabrata Dey , Stephanie Schuckers , Masudul H Imtiaz

Periocular biometrics has been established as an independent modality due to concerns on the performance of iris or face systems in uncontrolled conditions. Periocular refers to the facial region in the eye vicinity, including eyelids,…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Fernando Alonso-Fernandez , Josef Bigun

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…

计算机视觉与模式识别 · 计算机科学 2013-12-17 Maryam Soltanali Khalili , Hamed Sadjedi

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…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Juan E. Tapia , Sebastian Gonzalez , Daniel Benalcazar , Christoph Busch

Estimating a child's age from ocular biometric images is challenging due to subtle physiological changes and the limited availability of longitudinal datasets. Although most biometric age estimation studies have focused on facial features…

图像与视频处理 · 电气工程与系统科学 2025-05-09 Naveenkumar G Venkataswamy , Poorna Ravi , Stephanie Schuckers , Masudul H. Imtiaz

Fitness for Duty (FFD) techniques detects whether a subject is Fit to perform their work safely, which means no reduced alertness condition and security, or if they are Unfit, which means alertness condition reduced by sleepiness or…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Pamela C. Zurita , Daniel P. Benalcazar , Juan E. Tapia

A new high-precision eye-tracking method has been demonstrated recently by tracking the motion of iris features rather than by exploiting pupil edges. While the method provides high precision, it suffers from temporal drift, an inability to…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Aayush K. Chaudhary , Jeff B. Pelz

Rich empirical evidence has shown that visual object recognition in the brain is fast and effortless, with relevant brain signals reported to start as early as 80 ms. Here we study the time trajectory of the recognition process at the level…

神经元与认知 · 定量生物学 2020-06-11 Hanna Benoni , Daniel Harari , Shimon Ullman

The use of low-resolution images adopting more relaxed acquisition conditions such as mobile phones and surveillance videos is becoming increasingly common in iris recognition nowadays. Concurrently, a great variety of single image…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Eduardo Ribeiro , Andreas Uhl , Fernando Alonso-Fernandez

Face liveness detection has become a widely used technique with a growing importance in various authentication scenarios to withstand spoofing attacks. Existing methods that perform liveness detection generally focus on designing…

密码学与安全 · 计算机科学 2018-10-09 Meng Shen , Zelin Liao , Liehuang Zhu , Rashid Mijumbi , Xiaojiang Du , Jiankun Hu

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…

图像与视频处理 · 电气工程与系统科学 2019-02-11 Radoje Darmanovic , Tamara Bulatovic , Seid Salkovic

This paper presents a study devoted to recognizing horses by means of their iris and periocular features using deep convolutional neural networks (DCNNs). Identification of race horses is crucial for animal identity confirmation prior to…

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