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We present a novel local-based face verification system whose components are analogous to those of biological systems. In the proposed system, after global registration and normalization, three eye regions are converted from the spatial to…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 Yossi Zana , Roberto M. Cesar-Jr , Rogerio S. Feris , Matthew Turk

A face image is a mandatory part of ID and travel documents. Obtaining high-quality face images when issuing such documents is crucial for both human examiners and automated face recognition systems. In several international standards, face…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Wassim Kabbani , Kiran Raja , Raghavendra Ramachandra , Christoph Busch

As a flexible passive 3D sensing means, unsupervised learning of depth from monocular videos is becoming an important research topic. It utilizes the photometric errors between the target view and the synthesized views from its adjacent…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Hualie Jiang , Laiyan Ding , Zhenglong Sun , Rui Huang

Facial geometry and appearance capture have demonstrated tremendous success in 3D scanning real humans in studios. Recent works propose to democratize this technique while keeping the results high quality. However, they are still…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Yuxuan Han , Junfeng Lyu , Feng Xu

3D object detection is an important capability needed in various practical applications such as driver assistance systems. Monocular 3D detection, as a representative general setting among image-based approaches, provides a more economical…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Tai Wang , Xinge Zhu , Jiangmiao Pang , Dahua Lin

Facial recognition is fundamental for a wide variety of security systems operating in real-time applications. In video surveillance based face recognition, face images are typically captured over multiple frames in uncontrolled conditions;…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Eker Onur , Bal Murat

Gaze-based selection in XR requires visual confirmation due to eye-tracking limitations and target ambiguity in 3D contexts. Current designs for wide-FOV displays use world-locked, central overlays, which are not conducive to always-on AR…

Human-Computer Interaction · Computer Science 2026-03-20 Yutong Ren , Arnav Reddy , Michael Nebeling

Reliable depth estimation from spherical images is crucial for 360{\deg} vision in robotic navigation and immersive scene understanding. However, the onboard spherical camera can experience unintentional pose variations in real-world…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Soulayma Gazzeh , Giuseppe Mazzola , Liliana Lo Presti , Marco La Cascia

Biometric authentication has become one of the most widely used tools in the current technological era to authenticate users and to distinguish between genuine users and imposters. Face is the most common form of biometric modality that has…

Computer Vision and Pattern Recognition · Computer Science 2025-05-08 Rashik Shadman , Daqing Hou , Faraz Hussain , M G Sarwar Murshed

Gender classification is attractive in a range of applications, including surveillance and monitoring, corporate profiling, and human-computer interaction. Individuals' identities may be gleaned from information about their gender, which is…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Basna Mohammed Salih Hasan , Ramadhan J. Mstafa

Iris recognition is widely acknowledged for its exceptional accuracy in biometric authentication, traditionally relying on near-infrared (NIR) imaging. Recently, visible spectrum (VIS) imaging via accessible smartphone cameras has been…

Image and Video Processing · Electrical Eng. & Systems 2024-12-18 Naveenkumar G Venkataswamy , Yu Liu , Surendra Singh , Soumyabrata Dey , Stephanie Schuckers , Masudul H Imtiaz

Face recognition in images is an active area of interest among the computer vision researchers. However, recognizing human face in an unconstrained environment, is a relatively less-explored area of research. Multiple face recognition in…

Computer Vision and Pattern Recognition · Computer Science 2019-03-29 Shiv Ram Dubey , Snehasis Mukherjee

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…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

Gender classification has emerged as a crucial aspect in various fields, including security, human-machine interaction, surveillance, and advertising. Nonetheless, the accuracy of this classification can be influenced by factors such as…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Basna Mohammed Salih Hasan , Ramadhan J. Mstafa

We present the first purely event-based method for face detection using the high temporal resolution of an event-based camera. We will rely on a new feature that has never been used for such a task that relies on detecting eye blinks. Eye…

Computer Vision and Pattern Recognition · Computer Science 2022-05-16 Gregor Lenz , Sio-Hoi Ieng , Ryad Benosman

Cross-spectral biometrics, such as matching imagery of faces or persons from visible (RGB) and infrared (IR) bands, have rapidly advanced over the last decade due to increasing sensitivity, size, quality, and ubiquity of IR focal plane…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Kshitij Nikhal , Cedric Nimpa Fondje , Benjamin S. Riggan

In this work, a novel multi-face tracking method named FaceQSORT is proposed. To mitigate multi-face tracking challenges (e.g., partially occluded or lateral faces), FaceQSORT combines biometric and visual appearance features (extracted…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Robert Jöchl , Andreas Uhl

We focus on ocular biometrics, specifically the periocular region (the area around the eye), which offers high discrimination and minimal acquisition constraints. We evaluate three Convolutional Neural Network architectures of varying depth…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Fernando Alonso-Fernandez , Kevin Hernandez-Diaz , Jose Maria Buades Rubio , Josef Bigun

Bionic vision is a rapidly advancing field aimed at developing visual neuroprostheses ('bionic eyes') to restore useful vision to people who are blind. However, a major outstanding challenge is predicting what people 'see' when they use…

Human-Computer Interaction · Computer Science 2021-02-23 Justin Kasowski , Nathan Wu , Michael Beyeler

The Coronavirus disease 2019 (COVID-19) has affected several million people. With the outbreak of the epidemic, many researchers are devoting themselves to the COVID-19 screening system. The standard practices for rapid risk screening of…

Image and Video Processing · Electrical Eng. & Systems 2020-09-08 Yanwei Fu , Feng Li , Wenxuan Wang , Haicheng Tang , Xuelin Qian , Mengwei Gu , Xiangyang Xue