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The rapid evolution of high-end smartphones with advanced high-resolution cameras has resulted in contactless capture of fingerprint biometrics that are more reliable and suitable for verification. Similar to other biometric systems,…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Hailin Li , Raghavendra Ramachandra

This paper focuses on improving the performance of current convolutional neural networks in visual recognition without changing the network architecture. A hierarchical matcher is proposed that builds chains of local binary neural networks…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Lingfeng Zhang , Ioannis A. Kakadiaris

The use of biometrics to authenticate users and control access to secure areas has become extremely popular in recent years, and biometric access control systems are frequently used by both governments and private corporations. However,…

密码学与安全 · 计算机科学 2023-12-04 Justin Spencer , Deborah Lawrence , Prosenjit Chatterjee , Kaushik Roy , Albert Esterline , Jung-Hee Kim

In a typical video conferencing setup, it is hard to maintain eye contact during a call since it requires looking into the camera rather than the display. We propose an eye contact correction model that restores the eye contact regardless…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Leo F. Isikdogan , Timo Gerasimow , Gilad Michael

We present a minimalistic but effective neural network that computes dense facial correspondences in highly unconstrained RGB images. Our network learns a per-pixel flow and a matchability mask between 2D input photographs of a person and…

计算机视觉与模式识别 · 计算机科学 2017-09-05 Ronald Yu , Shunsuke Saito , Haoxiang Li , Duygu Ceylan , Hao Li

Lensing by galaxy clusters is a versatile probe of cosmology and extragalactic astrophysics, but the accuracy of some of its predictions is limited by the simplified models adopted to reduce the (otherwise untractable) number of degrees of…

宇宙学与河外天体物理 · 物理学 2021-04-28 Pietro Bergamini , Adriano Agnello , Gabriel Bartosch Caminha

A user's eyes provide means for Human Computer Interaction (HCI) research as an important modal. The time to time scientific explorations of the eye has already seen an upsurge of the benefits in HCI applications from gaze estimation to the…

计算机视觉与模式识别 · 计算机科学 2021-06-10 Atul Sahay , Imon Mukherjee , Kavi Arya

In recent years, a growing body of research has focused on the problem of person re-identification (re-id). The re-id techniques attempt to match the images of pedestrians from disjoint non-overlapping camera views. A major challenge of…

计算机视觉与模式识别 · 计算机科学 2018-04-02 Zhanxiang Feng , Jianhuang Lai , Xiaohua Xie

Smartphone-based iris recognition in the visible spectrum (VIS) offers a low-cost and accessible biometric alternative but remains a challenge due to lighting variability, pigmentation effects, and the limited adoption of standardized…

图像与视频处理 · 电气工程与系统科学 2025-12-18 Naveenkumar G. Venkataswamy , Yu Liu , Soumyabrata Dey , Stephanie Schuckers , Masudul H. Imtiaz

High-level classification algorithms focus on the interactions between instances. These produce a new form to evaluate and classify data. In this process, the core is the complex network building methodology because it determines the…

机器学习 · 计算机科学 2020-09-30 Esteban Wilfredo Vilca Zuñiga

With the increasing imaging and processing capabilities of today's mobile devices, user authentication using iris biometrics has become feasible. However, as the acquisition conditions become more unconstrained and as image quality is…

图像与视频处理 · 电气工程与系统科学 2018-07-04 Shabab Bazrafkan , Shejin Thavalengal , Peter Corcoran

Despite the success of convolution- and attention-based models in vision tasks, their rigid receptive fields and complex architectures limit their ability to model irregular spatial patterns and hinder interpretability, therefore posing…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Xiangshuai Song , Jun-Jie Huang , Tianrui Liu , Ke Liang , Chang Tang

This paper proposes a framework for a privacy-safe iris presentation attack detection (PAD) method, designed solely with synthetically-generated, identity-leakage-free iris images. Once trained, the method is evaluated in a classical way…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Mahsa Mitcheff , Patrick Tinsley , Adam Czajka

Iris recognition has drawn a lot of attention since the mid-twentieth century. Among all biometric features, iris is known to possess a rich set of features. Different features have been used to perform iris recognition in the past. In this…

计算机视觉与模式识别 · 计算机科学 2015-07-09 Shervin Minaee , AmirAli Abdolrashidi , Yao Wang

Domain shift remains a persistent challenge in deep-learning-based computer vision, often requiring extensive model modifications or large labeled datasets to address. Inspired by human visual perception, which adjusts input quality through…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Eunsu Baek , Sunghwan Han , Taesik Gong , Hyung-Sin Kim

In this paper, we seek a new method in designing an iris recognition system. In this method, first the Haar wavelet features are extracted from iris images. The advantage of using these features is the high-speed extraction, as well as…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Farahnaz Hosseini , Hossein Ebrahimpour , Samaneh Askari

Recent developments in hardware, computer graphics, and AI may soon enable AR/VR head-mounted displays (HMDs) to become everyday devices like smartphones and tablets. Eye trackers within HMDs provide a special opportunity for such setups as…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Mengdi Wang , Efe Bozkir , Enkelejda Kasneci

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

Corneal reflection (glint) detection plays an important role in pupil-corneal reflection (P-CR) eye tracking, but in practice it is often handled as heuristics embedded within larger systems, making reproducibility difficult across hardware…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Virmarie Maquiling , Yasmeen Abdrabou , Enkelejda Kasneci

We present a generalized and scalable method, called Gen-LaneNet, to detect 3D lanes from a single image. The method, inspired by the latest state-of-the-art 3D-LaneNet, is a unified framework solving image encoding, spatial transform of…

计算机视觉与模式识别 · 计算机科学 2020-11-20 Yuliang Guo , Guang Chen , Peitao Zhao , Weide Zhang , Jinghao Miao , Jingao Wang , Tae Eun Choe