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Face alignment, which is the task of finding the locations of a set of facial landmark points in an image of a face, is useful in widespread application areas. Face alignment is particularly challenging when there are large variations in…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Oncel Tuzel , Tim K. Marks , Salil Tambe

This paper presents an novel illumination-invariant feature representation approach used to eliminate the varying illumination affection in undersampled face recognition. Firstly, a new illumination level classification technique based on…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Yang Zhang , Changhui Hu , Xiaobo Lu

The advent of large scale multimedia databases has led to great challenges in content-based image retrieval (CBIR). Even though CBIR is considered an emerging field of research, however it constitutes a strong background for new…

Computer Vision and Pattern Recognition · Computer Science 2010-12-24 Nadia Baaziz , Omar Abahmane , Rokia Missaoui

Local features that are robust to both viewpoint and appearance changes are crucial for many computer vision tasks. In this work we investigate if photorealistic image stylization improves robustness of local features to not only day-night,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Iaroslav Melekhov , Gabriel J. Brostow , Juho Kannala , Daniyar Turmukhambetov

This work explores facial expression bias as a security vulnerability of face recognition systems. Despite the great performance achieved by state-of-the-art face recognition systems, the algorithms are still sensitive to a large range of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Alejandro Peña , Ignacio Serna , Aythami Morales , Julian Fierrez , Agata Lapedriza

This publication presents methods for face detection, analysis and recognition: fast normalized cross-correlation (fast correlation coefficient) between multiple templates based face pre-detection method, method for detection of exact face…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 Vytautas Perlibakas

While successful for various computer vision tasks, deep neural networks have shown to be vulnerable to texture style shifts and small perturbations to which humans are robust. In this work, we show that the robustness of neural networks…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Zhenlin Xu , Deyi Liu , Junlin Yang , Colin Raffel , Marc Niethammer

Biometrics emerged as a robust solution for security systems. However, given the dissemination of biometric applications, criminals are developing techniques to circumvent them by simulating physical or behavioral traits of legal users…

Computer Vision and Pattern Recognition · Computer Science 2018-10-12 Gustavo Botelho de Souza , João Paulo Papa , Aparecido Nilceu Marana

Face recognition is a rapidly developing and widely applied aspect of biometric technologies. Its applications are broad, ranging from law enforcement to consumer applications, and industry efficiency and monitoring solutions. The recent…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Andrew Jason Shepley

Despite the success of deep-learning models in many tasks, there have been concerns about such models learning shortcuts, and their lack of robustness to irrelevant confounders. When it comes to models directly trained on human faces, a…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Qi Qi , Shervin Ardeshir

In this paper we have tried to compare the various face recognition models against their classical problems. We look at the methods followed by these approaches and evaluate to what extent they are able to solve the problems. All methods…

Computer Vision and Pattern Recognition · Computer Science 2015-02-17 Dharini S. , Guru Prasad M. , Hari haran. V. , Kiran Tej J. L. , Kunal Ghosh

Noise, corruptions and variations in face images can seriously hurt the performance of face recognition systems. To make such systems robust, multiclass neuralnetwork classifiers capable of learning from noisy data have been suggested.…

Artificial Intelligence · Computer Science 2016-02-17 J. Uglov , V. Schetinin , C. Maple

While existing face recognition systems based on local features are robust to issues such as misalignment, they can exhibit accuracy degradation when comparing images of differing resolutions. This is common in surveillance environments…

Computer Vision and Pattern Recognition · Computer Science 2013-04-09 Yongkang Wong , Conrad Sanderson , Sandra Mau , Brian C. Lovell

Face recognition is a widely used biometric approach. Face recognition technology has developed rapidly in recent years and it is more direct, user friendly and convenient compared to other methods. But face recognition systems are…

Computer Vision and Pattern Recognition · Computer Science 2014-05-12 Saptarshi Chakraborty , Dhrubajyoti Das

Face Recognition (FR) systems are being used in a variety of applications, including road crossings, banking, and mobile banking. The widespread use of FR systems has raised concerns about the safety of face biometrics against spoofing…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Soham S. Sarpotdar

Person re-identification is critical in surveillance applications. Current approaches rely on appearance based features extracted from a single or multiple shots of the target and candidate matches. These approaches are at a disadvantage…

Computer Vision and Pattern Recognition · Computer Science 2016-04-04 Mengran Gou , Xikang Zhang , Angels Rates-Borras , Sadjad Asghari-Esfeden , Mario Sznaier , Octavia Camps

The use of local detectors and descriptors in typical computer vision pipelines work well until variations in viewpoint and appearance change become extreme. Past research in this area has typically focused on one of two approaches to this…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Udit Singh Parihar , Aniket Gujarathi , Kinal Mehta , Satyajit Tourani , Sourav Garg , Michael Milford , K. Madhava Krishna

Ensuring robustness in face recognition systems across various challenging conditions is crucial for their versatility. State-of-the-art methods often incorporate additional information, such as depth, thermal, or angular data, to enhance…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Muhammad Zeshan Alam , Sousso kelowani , Mohamed Elsaeidy

Faces play a magnificent role in human robot interaction, as they do in our daily life. The inherent ability of the human mind facilitates us to recognize a person by exploiting various challenges such as bad illumination, occlusions, pose…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Avinash Kumar Singh

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…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Farahnaz Hosseini , Hossein Ebrahimpour , Samaneh Askari