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Computer Optics, 2017, Volume 41, Issue 6, Pages 888–896 (Mi co462)  

IMAGE PROCESSING, PATTERN RECOGNITION

Description of images using model-oriented descriptors

V. V. Myasnikovab

a Image Processing Systems Institute of the RAS - Branch of the FSRC "Crystallography and Photonics" RAS, Samara, Russia
b Samara National Research University, Samara, Russia

Abstract: The paper proposes an approach to constructing an image description using a set of model-oriented descriptors. Each descriptor characterizes the "similarity" of the analyzed image, represented as a complex-valued gradient field, to a pre-selected model of this descriptor. It is proposed that descriptor models should be synthesized using a method of principal components, or discriminant analysis, which has been applied to a diversity of complex-valued gradient field realizations. As a result, the proposed approach enables the complex-valued field of the gradient of the analyzed image to be described as a set of real quantities from the interval [0,1], capable of simultaneously characterizing the phase and magnitude of the image gradient. The effectiveness of the proposed approach is illustrated via solving a face recognition problem and comparing the result with prototype solutions (based on the principal component method and discriminant analysis), which directly utilize halftone images. The comparison is made using a nearest neighbor's classifier.

Keywords: digital images, descriptors, features, analysis, recognition, image retrieval.

Funding Agency Grant Number
Russian Foundation for Basic Research 15-07-01164-
17-29-03190--
Russian Academy of Sciences - Federal Agency for Scientific Organizations
The reported study was partially funded by RFBR according to the research project 172901001 and by the Program of Fundamental Research of the Presidium of the Russian Academy of Sciences "Fundamental Problems of Informatics and Information Technologies".


DOI: https://doi.org/10.18287/2412-6179-2017-41-6-888-896

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Full text: http://www.computeroptics.smr.ru/.../410614.html
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Received: 30.08.2017
Accepted:19.10.2017

Citation: V. V. Myasnikov, “Description of images using model-oriented descriptors”, Computer Optics, 41:6 (2017), 888–896

Citation in format AMSBIB
\Bibitem{Mya17}
\by V.~V.~Myasnikov
\paper Description of images using model-oriented descriptors
\jour Computer Optics
\yr 2017
\vol 41
\issue 6
\pages 888--896
\mathnet{http://mi.mathnet.ru/co462}
\crossref{https://doi.org/10.18287/2412-6179-2017-41-6-888-896}


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