InforLorV4, Main, Exploration, bibRecord, 000E48

Amplitude-only log Radon transform for geometric invariant shape descriptor

Identifieur interne : 000E48 ( Main/Exploration ); précédent : 000E47; suivant : 000E49

Amplitude-only log Radon transform for geometric invariant shape descriptor

Auteurs : Makoto Hasegawa [Japon] ; Salvatore Tabbone [France]

Source :

Pattern recognition [ 0031-3203 ] ; 2014.

RBID : Pascal:13-0366117

Descripteurs français

Pascal (Inist)
- Transformation Radon, Forme géométrique, Reconnaissance forme, Mappage, Invariance, Modèle 2 dimensions, Fonction phase, Fonction corrélation, Evaluation performance, Transformation Fourier, Transformation Mellin.

English descriptors

KwdEn :
- Correlation function, Fourier transformation, Geometrical shape, Invariance, Mapping, Mellin transformation, Pattern recognition, Performance evaluation, Phase function, Radon transformation, Two dimensional model.
mix :
- Fourier–Mellin transform, Invariant shape descriptor, Log-polar mapping, Phase-only correlation, Radon transform.

Abstract

A shape descriptor combining the Radon transform, the amplitude extraction, and the log-mapping is proposed in this paper. It is invariant to shape rotation, scaling, and translation. Invariance to translation is achieved by amplitude extraction on the radial coordinate. Rotation and scaling are log-mapped into two-dimensional translations and recovered with the phase-only correlation function. In addition, all transformation parameters (rotating angle, scaling factor, and position shift) can be determined also. The efficiency of the proposed descriptor compared to existing methods is shown experimentally on different kind of datasets.

Url:

https://hal.archives-ouvertes.fr/hal-01098678

Affiliations:

Le document en format XML

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<term>Mellin transformation</term>
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<term>Modèle 2 dimensions</term>
<term>Fonction phase</term>
<term>Fonction corrélation</term>
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<front><div type="abstract" xml:lang="en">A shape descriptor combining the Radon transform, the amplitude extraction, and the log-mapping is proposed in this paper. It is invariant to shape rotation, scaling, and translation. Invariance to translation is achieved by amplitude extraction on the radial coordinate. Rotation and scaling are log-mapped into two-dimensional translations and recovered with the phase-only correlation function. In addition, all transformation parameters (rotating angle, scaling factor, and position shift) can be determined also. The efficiency of the proposed descriptor compared to existing methods is shown experimentally on different kind of datasets.</div>
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Serveur d'exploration sur la recherche en informatique en Lorraine

Amplitude-only log Radon transform for geometric invariant shape descriptor

Amplitude-only log Radon transform for geometric invariant shape descriptor

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

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