Dr. Youssef Chahir Profile

Dr. Youssef Chahir

at Univ de Caen Basse-Normandie

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Publications (7)

SPIE Journal Paper | 8 November 2017

Histogram of gradient and binarized statistical image features of wavelet subband-based palmprint features extraction

Bilal Attallah, Amina Serir, Youssef Chahir, Abdelwahhab Boudjelal

JEI, Vol. 26, Issue 06, 063006, (November 2017) https://doi.org/10.1117/12.10.1117/1.JEI.26.6.063006

KEYWORDS: Databases, Feature extraction, Wavelets, Image fusion, Image filtering, Principal component analysis, Biometrics, Error analysis, Image compression, Binary data

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SPIE Journal Paper | 21 November 2014

Efficient online signature authentication approach

Saidani Kaouther, Mostefai Messaoud, Bouziane Abderraouf, Youssef Chahir

JEI, Vol. 23, Issue 06, 063009, (November 2014) https://doi.org/10.1117/12.10.1117/1.JEI.23.6.063009

KEYWORDS: Shape analysis, Sensors, Feature extraction, Information security, Databases, Hassium, Biometrics, Iris recognition, Prototyping, Glasses

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SPIE Journal Paper | 21 January 2014

Weakly supervised learning from scale invariant feature transform keypoints: an approach combining fast eigendecompostion, regularization, and diffusion on graphs

Youssef Chahir, Abderraouf Bouziane, Messaoud Mostefai, Adnan Al Alwani

JEI, Vol. 23, Issue 01, 013009, (January 2014) https://doi.org/10.1117/12.10.1117/1.JEI.23.1.013009

KEYWORDS: Image segmentation, Diffusion, Machine learning, Image processing algorithms and systems, Platinum, Algorithm development, Denoising, Feature extraction, Visualization, Databases

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SPIE Journal Paper | 16 January 2013 Open Access

New online signature acquisition system

Adel Oulefki, Messaoud Mostefai, Belkacem Abbadi, Samira Djebrani, Abderraouf Bouziane, Youssef Chahir

JEI, Vol. 22, Issue 01, 010501, (January 2013) https://doi.org/10.1117/12.10.1117/1.JEI.22.1.010501

KEYWORDS: Glasses, Cameras, Control systems, Biometrics, Image enhancement, Prototyping, Video, Data acquisition, Imaging systems, Tablets

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Proceedings Article | 27 December 2000 Paper

Combining multiple image descriptions for browsing and retrieval

Youssef Chahir, Saadallah Jomni

Proceedings Volume 4311, (2000) https://doi.org/10.1117/12.411917

KEYWORDS: Image retrieval, Visualization, Databases, Image segmentation, Image visualization, Image processing, Content based image retrieval, Feature extraction, Information visualization, Image compression

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Proceedings Article | 26 August 1999 Paper

Automatic video segmentation and indexing

Youssef Chahir, Liming Chen

Proceedings Volume 3837, (1999) https://doi.org/10.1117/12.360314

KEYWORDS: Video, Video processing, Cameras, Visualization, Algorithm development, Databases, Image segmentation, RGB color model, Data processing, Feature extraction

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Proceedings Article | 6 October 1997 Paper

Peano key rediscovery for content-based retrieval of images

Youssef Chahir, Liming Chen

Proceedings Volume 3229, (1997) https://doi.org/10.1117/12.290338

KEYWORDS: Image retrieval, Feature extraction, Binary data, Databases, Visualization, RGB color model, Image processing, Associative arrays, Image segmentation, Multimedia

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Showing 5 of 7 publications

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