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Related papers: Forensic Iris Image Synthesis

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Most gender classifications methods from NIR images have used iris information. Recent work has explored the use of the whole periocular iris region which has surprisingly achieve better results. This suggests the most relevant information…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Ignacio Viedma , Juan Tapia , Andres Iturriaga , Christoph Busch

Biometric recognition on partial captured targets is challenging, where only several partial observations of objects are available for matching. In this area, deep learning based methods are widely applied to match these partial captured…

Computer Vision and Pattern Recognition · Computer Science 2018-10-18 Lingxiao He , Zhenan Sun , Yuhao Zhu , Yunbo Wang

For distant iris recognition, a long focal length lens is generally used to ensure the resolution ofiris images, which reduces the depth of field and leads to potential defocus blur. To accommodate users at different distances, it is…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Leyuan Wang , Kunbo Zhang , Yunlong Wang , Zhenan Sun

Iris recognition technology has attracted an increasing interest in the last decades in which we have witnessed a migration from research laboratories to real world applications. The deployment of this technology raises questions about the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Aythami Morales , Julian Fierrez , Javier Galbally , Marta Gomez-Barrero

The main topic discussed in this paper is how to use intelligence for biometric decision defuzzification. A neural training model is proposed and tested here as a possible solution for dealing with natural fuzzification that appears between…

Neural and Evolutionary Computing · Computer Science 2011-11-10 N. Popescu-Bodorin , V. E. Balas , I. M. Motoc

A non-parametric interpretable texture synthesis method, called the NITES method, is proposed in this work. Although automatic synthesis of visually pleasant texture can be achieved by deep neural networks nowadays, the associated…

Computer Vision and Pattern Recognition · Computer Science 2020-09-04 Xuejing Lei , Ganning Zhao , C. -C. Jay Kuo

Face photo-sketch synthesis and recognition has many applications in digital entertainment and law enforcement. Recently, generative adversarial networks (GANs) based methods have significantly improved the quality of image synthesis, but…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Yuke Fang , Jiani Hu , Weihong Deng

Craniofacial reconstruction in forensics is one of the processes to identify victims of crime and natural disasters. Identifying an individual from their remains plays a crucial role when all other identification methods fail. Traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Ravi Shankar Prasad , Dinesh Singh

Periocular refers to the facial region in the vicinity of the eye, including eyelids, lashes and eyebrows. While face and irises have been extensively studied, the periocular region has emerged as a promising trait for unconstrained…

Computer Vision and Pattern Recognition · Computer Science 2018-10-09 Fernando Alonso-Fernandez , Josef Bigun

Artifacts pose a significant challenge in medical imaging, impacting diagnostic accuracy and downstream analysis. While image-based approaches for detecting artifacts can be effective, they often rely on preprocessing methods that can lead…

Image and Video Processing · Electrical Eng. & Systems 2025-08-08 Caner Özer , Patryk Rygiel , Bram de Wilde , İlkay Öksüz , Jelmer M. Wolterink

In this work, we propose to detect the iris and periocular regions simultaneously using coarse annotations and two well-known object detectors: YOLOv2 and Faster R-CNN. We believe coarse annotations can be used in recognition systems based…

Computer Vision and Pattern Recognition · Computer Science 2021-05-14 Diego R. Lucio , Rayson Laroca , Luiz A. Zanlorensi , Gladston Moreira , David Menotti

New advancements for the detection of synthetic images are critical for fighting disinformation, as the capabilities of generative AI models continuously evolve and can lead to hyper-realistic synthetic imagery at unprecedented scale and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Pantelis Dogoulis , Giorgos Kordopatis-Zilos , Ioannis Kompatsiaris , Symeon Papadopoulos

In this work we test the ability of deep learning methods to provide an end-to-end mapping between low and high resolution images applying it to the iris recognition problem. Here, we propose the use of two deep learning single-image…

Image and Video Processing · Electrical Eng. & Systems 2023-11-03 Eduardo Ribeiro , Andreas Uhl , Fernando Alonso-Fernandez , Reuben A. Farrugia

Person re-identification (PRe-ID) is a computer vision issue, that has been a fertile research area in the last few years. It aims to identify persons across different non-overlapping camera views. In this paper, We propose a novel PRe-ID…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Akram Abderraouf Gharbi , Ammar Chouchane , Abdelmalik Ouamane

Recent generative models demonstrate impressive performance on synthesizing photographic images, which makes humans hardly to distinguish them from pristine ones, especially on realistic-looking synthetic facial images. Previous works…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Hao Wang , Cheng Deng , Zhidong Zhao

Iris recognition is widely recognized as one of the most accurate biometric modalities. However, its growing deployment in real-world applications raises significant concerns regarding its vulnerability to Presentation Attacks (PAs).…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Raghavendra Ramachandra , Sushma Venkatesh

Intrinsic image decomposition is a challenging, long-standing computer vision problem for which ground truth data is very difficult to acquire. We explore the use of synthetic data for training CNN-based intrinsic image decomposition…

Computer Vision and Pattern Recognition · Computer Science 2018-12-07 Zhengqi Li , Noah Snavely

Intrinsic Image Decomposition (IID) is a challenging and interesting computer vision problem with various applications in several fields. We present novel semantic priors and an integrated approach for single image IID that involves…

Computer Vision and Pattern Recognition · Computer Science 2019-06-07 Saurabh Saini , P. J. Narayanan

The determination of the contact area is a key step to derive mechanical properties such as hardness or an elastic modulus by instrumented indentation testing. Two families of procedures are dedicated to extracting this area: on the one…

Materials Science · Physics 2016-08-14 L. Charleux , V. Keryvin , M. Nivard , J. -P. Guin , J. -C. Sanglebœuf , Y. Yokoyama

Iris recognition systems transform an iris image into a feature vector. The seminal pipeline segments an image into iris and non-iris pixels, normalizes this region into a fixed-dimension rectangle, and extracts features which are stored…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Sohaib Ahmad , Christopher Geiger , Benjamin Fuller