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相关论文: A Unified Framework for Iris Anti-Spoofing: Introd…

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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

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…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Siamul Karim Khan , Patrick Tinsley , Adam Czajka

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

Along with the widespread use of face recognition systems, their vulnerability has become highlighted. While existing face anti-spoofing methods can be generalized between attack types, generic solutions are still challenging due to the…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Kaicheng Li , Hongyu Yang , Binghui Chen , Pengyu Li , Biao Wang , Di Huang

Counting mitotic figures is time-intensive for pathologists and leads to inter-observer variability. Artificial intelligence (AI) promises a solution by automatically detecting mitotic figures while maintaining decision consistency.…

计算机视觉与模式识别 · 计算机科学 2025-09-08 Seungho Choe , Xiaoli Qin , Abubakr Shafique , Amanda Dy , Susan Done , Dimitrios Androutsos , April Khademi

Intrusion Detection Systems (IDS) are key components for securing critical infrastructures, capable of detecting malicious activities on networks or hosts. The procedure of implementing a IDS for Internet of Things (IoT) networks is not…

密码学与安全 · 计算机科学 2021-05-19 Luca Arnaboldi , Charles Morisset

Iris is an established modality in biometric recognition applications including consumer electronics, e-commerce, border security, forensics, and de-duplication of identity at a national scale. In light of the expanding usage of biometric…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Priyanka Das , Richard Plesh , Veeru Talreja , Natalia Schmid , Matthew Valenti , Joseph Skufca , Stephanie Schuckers

Unsupervised person re-identification (ReID) aims at learning discriminative identity features without annotations. Recently, self-supervised contrastive learning has gained increasing attention for its effectiveness in unsupervised…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Hao Chen , Benoit Lagadec , Francois Bremond

While Electrical Impedance Tomography (EIT) has found many biomedicine applications, a better resolution is needed to provide quantitative analysis for tissue engineering and regenerative medicine. This paper proposes an impedance-optical…

图像与视频处理 · 电气工程与系统科学 2021-12-09 Zhe Liu , Pierre Bagnaninchi , Yunjie Yang

With the increasing integration of smartphones into our daily lives, fingerphotos are becoming a potential contactless authentication method. While it offers convenience, it is also more vulnerable to spoofing using various presentation…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Banafsheh Adami , Sara Tehranipoor , Nasser Nasrabadi , Nima Karimian

Despite the significant advances in iris segmentation, accomplishing accurate iris segmentation in non-cooperative environment remains a grand challenge. In this paper, we present a deep learning framework, referred to as Iris R-CNN, to…

计算机视觉与模式识别 · 计算机科学 2019-03-26 Chunyang Feng , Yufeng Sun , Xin Li

Face anti-spoofing is the key to preventing security breaches in biometric recognition applications. Existing software-based and hardware-based face liveness detection methods are effective in constrained environments or designated datasets…

计算机视觉与模式识别 · 计算机科学 2022-06-17 Yu Tian , Kunbo Zhang , Leyuan Wang , Zhenan Sun

We propose a pre-training strategy called Multi-modal Multi-task Masked Autoencoders (MultiMAE). It differs from standard Masked Autoencoding in two key aspects: I) it can optionally accept additional modalities of information in the input…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Roman Bachmann , David Mizrahi , Andrei Atanov , Amir Zamir

Iris Presentation Attack Detection (PAD) is essential to secure iris recognition systems. Recent iris PAD solutions achieved good performance by leveraging deep learning techniques. However, most results were reported under intra-database…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Meiling Fang , Fadi Boutros , Naser Damer

Multibiometrics, which uses multiple biometric traits to improve recognition performance instead of using only one biometric trait to authenticate individuals, has been investigated. Previous studies have combined individually acquired…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Koichi Ito , Taito Tonosaki , Takafumi Aoki , Tetsushi Ohki , Masakatsu Nishigaki

Most unsupervised anomaly detection methods based on representations of normal samples to distinguish anomalies have recently made remarkable progress. However, existing methods only learn a single decision boundary for distinguishing the…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Tianwu Lei , Silin Chen , Bohan Wang , Zhengkai Jiang , Ningmu Zou

Databases play an important role in cyber world. It provides authenticity across the globe to the legitimate user. Biometrics is another important tool which recognizes humans using their physical statistics. Biometrics system requires…

计算机科学与博弈论 · 计算机科学 2012-07-13 Adnan Alam Khan , Safeeullah Soomro , Irfan Hyder

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…

计算机视觉与模式识别 · 计算机科学 2020-01-16 Kiran B. Raja , R. Raghavendra , Sushma Venkatesh , Christoph Busch

Face anti-spoofing is crucial to the security of face recognition systems. Most previous methods formulate face anti-spoofing as a supervised learning problem to detect various predefined presentation attacks, which need large scale…

计算机视觉与模式识别 · 计算机科学 2021-09-08 Yunxiao Qin , Chenxu Zhao , Xiangyu Zhu , Zezheng Wang , Zitong Yu , Tianyu Fu , Feng Zhou , Jingping Shi , Zhen Lei

Research in presentation attack detection (PAD) for iris recognition has largely moved beyond evaluation in "closed-set" scenarios, to emphasize ability to generalize to presentation attack types not present in the training data. This paper…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Aidan Boyd , Jeremy Speth , Lucas Parzianello , Kevin Bowyer , Adam Czajka