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Related papers: Iris Recognition: Inherent Binomial Degrees of Fre…

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Face recognition is a long standing challenge in the field of Artificial Intelligence (AI). The goal is to create systems that accurately detect, recognize, verify, and understand human faces. There are significant technical hurdles in…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Michele Merler , Nalini Ratha , Rogerio S. Feris , John R. Smith

In view of the fact that biological characteristics have excellent independent distinguishing characteristics,biometric identification technology involves almost all the relevant areas of human distinction. Fingerprints, iris, face,…

Computer Vision and Pattern Recognition · Computer Science 2017-05-17 Hao Jiang

Biometric permanence in pediatric populations remains poorly understood despite widespread deployment of iris recognition for children in national identity programs such as India's Aadhaar and trusted traveler programs like Canada's NEXUS.…

Image and Video Processing · Electrical Eng. & Systems 2025-12-18 Naveenkumar G Venkataswamy , Masudul H Imtiaz , Stephanie Schuckers

Biometrics deal with automated methods of identifying a person or verifying the identity of a person based on physiological or behavioral characteristics. Visual cryptography is a secret sharing scheme where a secret image is encrypted into…

Cryptography and Security · Computer Science 2010-04-13 P. S. Revenkar , Anisa Anjum , W. Z. Gandhare

The human eye appears to be using a low number of sensors for image capturing. Furthermore, regarding the physical dimensions of cones-photoreceptors responsible for the sharp central vision-, we may realize that these sensors are of a…

Computer Vision and Pattern Recognition · Computer Science 2017-03-02 Adur Lagunas , Oier Dominguez , Susana Martinez-Conde , Stephen L. Macknik , Carlos del-Rio

This paper presents a method for segmenting iris images obtained from the deceased subjects, by training a deep convolutional neural network (DCNN) designed for the purpose of semantic segmentation. Post-mortem iris recognition has recently…

Computer Vision and Pattern Recognition · Computer Science 2018-07-12 Mateusz Trokielewicz , Adam Czajka

The aim of this work is to determine how vulnerable different iris coding methods are in relation to biometric template aging phenomenon. This is considered to be particularly important when the time lapse between gallery and probe samples…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Mateusz Trokielewicz

A distance graph is an undirected graph on the integers where two integers are adjacent if their difference is in a prescribed distance set. The independence ratio of a distance graph $G$ is the maximum density of an independent set in $G$.…

Combinatorics · Mathematics 2014-01-29 James M. Carraher , David Galvin , Stephen G. Hartke , A. J. Radcliff , Derrick Stolee

Natural images are characterized by the multiscaling properties of their contrast gradient, in addition to their power spectrum. In this work we show that those properties uniquely define an {\em intrinsic wavelet} and present a suitable…

Statistical Mechanics · Physics 2009-11-07 A. Turiel , N. Parga

Exploiting resolution invariant representation is critical for person Re-Identification (ReID) in real applications, where the resolutions of captured person images may vary dramatically. This paper learns person representations robust to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Shunan Mao , Shiliang Zhang , Ming Yang

In this position paper, we consider the state of computer vision research with respect to invariance to the horizontal orientation of an image -- what we term reflection invariance. We describe why we consider reflection invariance to be an…

Computer Vision and Pattern Recognition · Computer Science 2015-06-09 Craig Henderson , Ebroul Izquierdo

This paper revisits recognition of natural image pleasantness by employing deep convolutional neural networks and affordable eye trackers. There exist several approaches to recognize image pleasantness: (1) computer vision, and (2)…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Hamed R. Tavakoli , Jorma Laaksonen , Esa Rahtu

With the advancement of generative models, the assessment of generated images becomes more and more important. Previous methods measure distances between features of reference and generated images from trained vision models. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Jaehui Hwang , Junghyuk Lee , Jong-Seok Lee

Accurate feature detection is fundamental for various computer vision tasks, including autonomous robotics, 3D reconstruction, medical imaging, and remote sensing. Despite advancements in enhancing the robustness of visual features, no…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Yash Turkar , Timothy Chase , Christo Aluckal , Karthik Dantu

Despite the fact that DeepFake forgery detection algorithms have achieved impressive performance on known manipulations, they often face disastrous performance degradation when generalized to an unseen manipulation. Some recent works show…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Chuer Yu , Xuhong Zhang , Yuxuan Duan , Senbo Yan , Zonghui Wang , Yang Xiang , Shouling Ji , Wenzhi Chen

High dynamic range (HDR) rendering has the ability to faithfully reproduce the wide luminance ranges in natural scenes, but how to accurately assess the rendering quality is relatively underexplored. Existing quality models are mostly…

Image and Video Processing · Electrical Eng. & Systems 2024-09-11 Peibei Cao , Rafal K. Mantiuk , Kede Ma

We derive a Riemannian metric on three-dimensional color space from the Fisher information of neural population codes in the visual pathway. Photoreceptor adaptation, retinal opponent channels, and cortical population encoding each map onto…

Neurons and Cognition · Quantitative Biology 2026-03-26 Michael Menke

Image quality databases are used to train models for predicting subjective human perception. However, most existing databases focus on distortions commonly found in digital media and not in natural conditions. Affine transformations are…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Paula Daudén-Oliver , David Agost-Beltran , Emilio Sansano-Sansano , Valero Laparra , Jesús Malo , Marina Martínez-Garcia

Some applications in scientific imaging, like space-based high-precision photometry, benefit from a detailed characterization of the sensitivity variation within a pixel. A detailed map of the intra-pixel sensitivity (IPS) allows to…

Instrumentation and Methods for Astrophysics · Physics 2018-05-07 Swaraj Bandhu Mahato , Joris De Ridder , Guy Meynants , Gert Raskin , Hans Van Winckel

Individualization-Refinement (IR) algorithms form the standard method and currently the only practical method for symmetry computations of graphs and combinatorial objects in general. Through backtracking, on each graph an IR-algorithm…

Data Structures and Algorithms · Computer Science 2021-09-16 Markus Anders , Jendrik Brachter , Pascal Schweitzer
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