The generalization of the R-transform for invariant pattern representation
Identifieur interne : 000119 ( PascalFrancis/Corpus ); précédent : 000118; suivant : 000120The generalization of the R-transform for invariant pattern representation
Auteurs : Thai V. Hoang ; Salvatore TabboneSource :
- Pattern recognition [ 0031-3203 ] ; 2012.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
The beneficial properties of the Radon transform make it a useful intermediate representation for the extraction of invariant features from pattern images for the purpose of indexing/matching. This paper revisits the problem of Radon image utilization with a generic view on a popular Radon transform-based transform and pattern descriptor, the R-transform and R-signature, bringing in a class of transforms and descriptors spatially describing patterns at all directions and at different levels, while maintaining the beneficial properties of the conventional R-transform and R-signature. The domain of this class, which is delimited due to the existence of singularities and the effect of sampling/ quantization and additive noise, is examined. Moreover, the ability of the generic R-transform to encode the dominant directions of patterns is also discussed, adding to the robustness to additive noise of the generic R-signature. The stability of dominant direction encoding by the generic R-transform and the superiority of the generic R-signature over existing invariant pattern descriptors on grayscale and binary noisy datasets have been confirmed by experiments.
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Format Inist (serveur)
NO : | PASCAL 12-0214914 INIST |
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ET : | The generalization of the R-transform for invariant pattern representation |
AU : | HOANG (Thai V.); TABBONE (Salvatore) |
AF : | MICA Center, HUST - CNRS/UMI 2954 - Grenoble INP/Hanoi/Viet Nam (1 aut.); LORIA, CNRS/UMR 7503, Nancy University/54506 Vandoeuvre-les-Nancy/France (1 aut., 2 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Pattern recognition; ISSN 0031-3203; Coden PTNRA8; Royaume-Uni; Da. 2012; Vol. 45; No. 6; Pp. 2145-2163; Bibl. 39 ref. |
LA : | Anglais |
EA : | The beneficial properties of the Radon transform make it a useful intermediate representation for the extraction of invariant features from pattern images for the purpose of indexing/matching. This paper revisits the problem of Radon image utilization with a generic view on a popular Radon transform-based transform and pattern descriptor, the R-transform and R-signature, bringing in a class of transforms and descriptors spatially describing patterns at all directions and at different levels, while maintaining the beneficial properties of the conventional R-transform and R-signature. The domain of this class, which is delimited due to the existence of singularities and the effect of sampling/ quantization and additive noise, is examined. Moreover, the ability of the generic R-transform to encode the dominant directions of patterns is also discussed, adding to the robustness to additive noise of the generic R-signature. The stability of dominant direction encoding by the generic R-transform and the superiority of the generic R-signature over existing invariant pattern descriptors on grayscale and binary noisy datasets have been confirmed by experiments. |
CC : | 001D04A04C; 001D04A04B; 001D04A04A2 |
FD : | Transformation Radon; Indexation; Singularité; Echantillonnage; Bruit quantification; Bruit additif; Robustesse; Codage; Echelle gris; Extraction caractéristique; Immunité bruit; Traitement signal |
ED : | Radon transformation; Indexing; Singularity; Sampling; Quantization noise; Additive noise; Robustness; Coding; Gray scale; Feature extraction; Noise immunity; Signal processing |
SD : | Transformación Radon; Indización; Singularidad; Muestreo; Ruido cuantificación; Ruido aditivo; Robustez; Codificación; Escala gris; Inmunidad ruido; Procesamiento señal |
LO : | INIST-15220.354000509881540110 |
ID : | 12-0214914 |
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Pascal:12-0214914Le document en format XML
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<front><div type="abstract" xml:lang="en">The beneficial properties of the Radon transform make it a useful intermediate representation for the extraction of invariant features from pattern images for the purpose of indexing/matching. This paper revisits the problem of Radon image utilization with a generic view on a popular Radon transform-based transform and pattern descriptor, the R-transform and R-signature, bringing in a class of transforms and descriptors spatially describing patterns at all directions and at different levels, while maintaining the beneficial properties of the conventional R-transform and R-signature. The domain of this class, which is delimited due to the existence of singularities and the effect of sampling/ quantization and additive noise, is examined. Moreover, the ability of the generic R-transform to encode the dominant directions of patterns is also discussed, adding to the robustness to additive noise of the generic R-signature. The stability of dominant direction encoding by the generic R-transform and the superiority of the generic R-signature over existing invariant pattern descriptors on grayscale and binary noisy datasets have been confirmed by experiments.</div>
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<ET>The generalization of the R-transform for invariant pattern representation</ET>
<AU>HOANG (Thai V.); TABBONE (Salvatore)</AU>
<AF>MICA Center, HUST - CNRS/UMI 2954 - Grenoble INP/Hanoi/Viet Nam (1 aut.); LORIA, CNRS/UMR 7503, Nancy University/54506 Vandoeuvre-les-Nancy/France (1 aut., 2 aut.)</AF>
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<EA>The beneficial properties of the Radon transform make it a useful intermediate representation for the extraction of invariant features from pattern images for the purpose of indexing/matching. This paper revisits the problem of Radon image utilization with a generic view on a popular Radon transform-based transform and pattern descriptor, the R-transform and R-signature, bringing in a class of transforms and descriptors spatially describing patterns at all directions and at different levels, while maintaining the beneficial properties of the conventional R-transform and R-signature. The domain of this class, which is delimited due to the existence of singularities and the effect of sampling/ quantization and additive noise, is examined. Moreover, the ability of the generic R-transform to encode the dominant directions of patterns is also discussed, adding to the robustness to additive noise of the generic R-signature. The stability of dominant direction encoding by the generic R-transform and the superiority of the generic R-signature over existing invariant pattern descriptors on grayscale and binary noisy datasets have been confirmed by experiments.</EA>
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