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Fingerprint authentication systems are highly vulnerable to artificial reproductions of fingerprint, called fingerprint presentation attacks. Detecting presentation attacks is not trivial because attackers refine their replication…

计算机视觉与模式识别 · 计算机科学 2022-02-16 Marco Micheletto , Giulia Orrù , Roberto Casula , David Yambay , Gian Luca Marcialis , Stephanie C. Schuckers

Human identification at a distance (HID) is challenging because traditional biometric modalities such as face and fingerprints are often difficult to acquire in real-world scenarios. Gait recognition provides a practical alternative, as it…

This paper presents an analysis of how the iris recognition is impacted by eye diseases and an appropriate dataset comprising 2996 iris images of 230 distinct eyes (including 184 illness-affected eyes representing more than 20 different eye…

计算机视觉与模式识别 · 计算机科学 2018-09-17 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

Facial expression recognition (FER) models are typically trained on datasets with a fixed number of seven basic classes. However, recent research works point out that there are far more expressions than the basic ones. Thus, when these…

计算机视觉与模式识别 · 计算机科学 2024-01-24 Yuhang Zhang , Yue Yao , Xuannan Liu , Lixiong Qin , Wenjing Wang , Weihong Deng

A large portion of iris images captured in real world scenarios are poor quality due to the uncontrolled environment and the non-cooperative subject. To ensure that the recognition algorithm is not affected by low-quality images,…

图像与视频处理 · 电气工程与系统科学 2020-09-29 Leyuan Wang , Kunbo Zhang , Min Ren , Yunlong Wang , Zhenan Sun

Much research has been conducted on both face identification and face verification, with greater focus on the latter. Research on face identification has mostly focused on using closed-set protocols, which assume that all probe images used…

计算机视觉与模式识别 · 计算机科学 2017-05-22 Manuel Günther , Steve Cruz , Ethan M. Rudd , Terrance E. Boult

Dataset bias is a problem in adversarial machine learning, especially in the evaluation of defenses. An adversarial attack or defense algorithm may show better results on the reported dataset than can be replicated on other datasets. Even…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Camilo Pestana , Wei Liu , David Glance , Ajmal Mian

This work summarises and reports the results of the second Presentation Attack Detection competition on ID cards. This new version includes new elements compared to the previous one. (1) An automatic evaluation platform was enabled for…

The rapid advancement of generative AI has raised concerns about the authenticity of digital images, as highly realistic fake images can now be generated at low cost, potentially increasing societal risks. In response, several datasets have…

计算机视觉与模式识别 · 计算机科学 2026-02-12 Hanzhe Yu , Yun Ye , Jintao Rong , Qi Xuan , Chen Ma

Iris-based biometric identification is increasingly recognized for its significant accuracy and long-term stability compared to other biometric modalities such as fingerprints or facial features. However, all biometric modalities are highly…

密码学与安全 · 计算机科学 2026-03-31 Christina Karakosta , Lian Alhedaithy , William J. Knottenbelt

Iris recognition is a reliable personal identification method but there is still much room to improve its accuracy especially in less-constrained situations. For example, free movement of head pose may cause large rotation difference…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Min Ren , Caiyong Wang , Yunlong Wang , Zhenan Sun , Tieniu Tan

Pathology image classification plays a crucial role in accurate medical diagnosis and treatment planning. Training high-performance models for this task typically requires large-scale annotated datasets, which are both expensive and…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Lanfeng Zhong , Xin Liao , Shichuan Zhang , Shaoting Zhang , Guotai Wang

Traditional Image Quality Assessment~(IQA) focuses on quantifying technical degradations such as noise, blur, or compression artifacts, using both full-reference and no-reference objective metrics. However, evaluation of rendering…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Vsevolod Plohotnuk , Artyom Panshin , Nikola Banić , Simone Bianco , Michael Freeman , Egor Ershov

In this work, we propose a novel Cyclic Image Translation Generative Adversarial Network (CIT-GAN) for multi-domain style transfer. To facilitate this, we introduce a Styling Network that has the capability to learn style characteristics of…

计算机视觉与模式识别 · 计算机科学 2020-12-07 Shivangi Yadav , Arun Ross

Deep learning has driven remarkable accuracy increases in many computer vision problems. One ongoing challenge is how to achieve the greatest accuracy in cases where training data is limited. A second ongoing challenge is that trained…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Aidan Boyd , Kevin Bowyer , Adam Czajka

Deep learning has become an integral part of various computer vision systems in recent years due to its outstanding achievements for object recognition, facial recognition, and scene understanding. However, deep neural networks (DNNs) are…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Nima Mirnateghi , Syed Afaq Ali Shah , Mohammed Bennamoun

Face recognition systems are widely deployed for biometric authentication. Despite this, it is well-known that, without any safeguards, face recognition systems are highly vulnerable to presentation attacks. In response to this security…

计算机视觉与模式识别 · 计算机科学 2023-08-29 M. Ibsen , C. Rathgeb , F. Brechtel , R. Klepp , K. Pöppelmann , A. George , S. Marcel , C. Busch

Although face recognition systems have seen a massive performance enhancement in recent years, they are still targeted by threats such as presentation attacks, leading to the need for generalizable presentation attack detection (PAD)…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Guray Ozgur , Eduarda Caldeira , Tahar Chettaoui , Fadi Boutros , Raghavendra Ramachandra , Naser Damer

Open-set image recognition (OSR) aims to both classify known-class samples and identify unknown-class samples in the testing set, which supports robust classifiers in many realistic applications, such as autonomous driving, medical…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Jiayin Sun , Qiulei Dong

This chapter provides insight on how iris recognition, one of the leading biometric identification technologies in the world, can be impacted by pathologies and illnesses present in the eye, what are the possible repercussions of this…

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