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Fingerprint recognition is widely used for verification and identification in many commercial, governmental and forensic applications. The orientation field (OF) plays an important role at various processing stages in fingerprint…

Computer Vision and Pattern Recognition · Computer Science 2018-01-26 Carsten Gottschlich , Benjamin Tams , Stephan Huckemann

Palmprint recognition has become more and more popular due to its advantages over other biometric modalities such as fingerprint, in that it is larger in area, richer in information and able to work at a distance. However, the issue of…

Cryptography and Security · Computer Science 2022-11-10 Weiqiang Zhao , Heng Zhao , Zhicheng Cao , Liaojun Pang

We propose a new gradient-based method for the extraction of the orientation field associated to a fingerprint, and a regularisation procedure to improve the orientation field computed from noisy fingerprint images. The regularisation…

Computer Vision and Pattern Recognition · Computer Science 2017-11-10 Pierluigi Maponi , Riccardo Piergallini , Filippo Santarelli

The study identifies a clear evolution from traditional methods to more advanced machine learning approaches. Current algorithms face persistent challenges, including degraded image quality, damaged ridge structures, and background noise,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Amit Kumar Trivedi , Jasvinder Pal Singh

In this paper, we propose an efficient method to provide personal identification using fingerprint to get better accuracy even in noisy condition. The fingerprint matching based on the number of corresponding minutia pairings, has been in…

Computer Vision and Pattern Recognition · Computer Science 2013-11-15 V. Karthikeyan , V. J. Vijayalakshmi

Manipulation tools that realistically edit images are widely available, making it easy for anyone to create and spread misinformation. In an attempt to fight fake news, forgery detection and localization methods were designed. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Hannes Mareen , Dante Vanden Bussche , Fabrizio Guillaro , Davide Cozzolino , Glenn Van Wallendael , Peter Lambert , Luisa Verdoliva

Fringe pattern based measurement techniques are the state-of-the-art in full-field optical metrology. They are crucial both in macroscale, e.g., fringe projection profilometry, and microscale, e.g., label-free quantitative phase microscopy.…

Image and Video Processing · Electrical Eng. & Systems 2023-10-25 Maria Cywinska , Mikolaj Rogalski , Filip Brzeski , Krzysztof Patorski , Maciej Trusiak

Fingerprint verification is an important bio-metric technique for personal identification. Most of the automatic verification systems are based on matching of fingerprint minutiae. Extraction of minutiae is an essential process which…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Eman Alibeigi , Shadrokh Samavi , Shahram Shirani , Zahra Rahmani

Motivated by the problem of fingerprint matching, we present geometric approximation algorithms for matching a pattern point set against a background point set, where the points have angular orientations in addition to their positions.

Computational Geometry · Computer Science 2018-08-03 David Eppstein , Michael T. Goodrich , Jordan Jorgensen , Manuel R. Torres

We propose a new shape analysis approach based on the non-local analysis of local shape variations. Our method relies on a novel description of shape variations, called Local Probing Field (LPF), which describes how a local probing operator…

Computational Geometry · Computer Science 2017-11-03 Julie Digne , Sébastien Valette , Raphaëlle Chaine

Sparse coding networks, which utilize unsupervised learning to maximize coding efficiency, have successfully reproduced response properties found in primary visual cortex \cite{AN:OlshausenField96}. However, conventional sparse coding…

Neurons and Cognition · Quantitative Biology 2011-05-25 William K. Coulter , Christopher J. Hillar , Friedrich T. Sommer

We present a dual-guided framework for reconstructing unsteady incompressible flow fields using sparse observations. The approach combines optimized sensor placement with a physics-informed guided generative model. Sensor locations are…

Fluid Dynamics · Physics 2025-06-18 Sajad Salavatidezfouli , Henrik Karstoft , Alexandros Iosifidis , Mahdi Abkar

We propose PHRIT, a novel approach for parametric hand mesh modeling with an implicit template that combines the advantages of both parametric meshes and implicit representations. Our method represents deformable hand shapes using signed…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Zhisheng Huang , Yujin Chen , Di Kang , Jinlu Zhang , Zhigang Tu

Compressed sensing is an imaging paradigm that allows one to invert an underdetermined linear system by imposing the a priori knowledge that the sought after solution is sparse (i.e., mostly zeros). Previous works have shown that if one…

Image and Video Processing · Electrical Eng. & Systems 2023-12-05 Nicholas Dwork , Erin K. Englund

Inherent morphological characteristics in objects may offer a wide range of plausible grasping orientations that obfuscates the visual learning of robotic grasping. Existing grasp generation approaches are cursed to construct discontinuous…

Robotics · Computer Science 2021-02-03 Georgia Chalvatzaki , Nikolaos Gkanatsios , Petros Maragos , Jan Peters

This paper introduces a novel fingerprint classification technique based on a multi-layered fuzzy logic classifier. We target the cause of missed detection by identifying the fingerprints at an early stage among dry, standard, and wet.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Ravi Prakash , Sinnu Susan Thomas

Naturally, with the mounting application of biometric systems, there arises a difficulty in storing and handling those acquired biometric data. Fingerprint recognition has been recognized as one of the most mature and established technique…

Computer Vision and Pattern Recognition · Computer Science 2009-11-04 Vani Perumal , Jagannathan Ramaswamy

We propose a novel fingerprint descriptor, namely M\"obius moduli, measuring local deviation of orientation fields (OF) of fingerprints from conformal fields, and we propose a method to robustly measure them, based on tetraquadrilaterals to…

Applications · Statistics 2017-08-08 Christina Imdahl , Carsten Gottschlich , Stephan Huckemann , Ken'ichi Ohshika

We present a novel sparse modeling approach to non-rigid shape matching using only the ability to detect repeatable regions. As the input to our algorithm, we are given only two sets of regions in two shapes; no descriptors are provided so…

Graphics · Computer Science 2012-10-01 J. Pokrass , A. M. Bronstein , M. M. Bronstein , P. Sprechmann , G. Sapiro

Image Preprocessing is a vital step in the field of image processing for biometric pattern recognition. This paper studies and reviews various classical and modern fingerprint image de-noising models. The various model used for de-noising…

Computer Vision and Pattern Recognition · Computer Science 2015-12-04 Siddharth Choubey , Deepika Banchhor
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