Window texture extraction for image analysis

G - Physics – 06 – T

Patent

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G06T 7/40 (2006.01)

Patent

CA 2227184

A window texture extraction process for quantifying texture features in grey- level images and combining the quantified texture features with previously derived classification results. The previously determined classification results require that all of the training data and all the target data be assigned, or be capable of being assigned to one of two classes. The result is a set of new features that can be quickly analyzed to determine such properties as class membership for identification purposes. In order to fold- in the classification results, the class membership is established in previous experiments on images which have been characterized. The previous experiments are executed through the application of a window texture extraction kernel according to the invention.

L'invention a pour objet un procédé d'extraction de texture en fenêtre pour quantifier les caractéristiques de textures, dans des images de niveau de gris, et pour combiner ces caractéristiques de texture quantifiées aux résultats de classification préalablement dérivés. Ces résultats nécessitent d'affecter, ou de pouvoir affecter, toutes les données de formation et toutes les données cibles à une de deux classes. Le résultat est un ensemble de nouvelles caractéristiques qui peuvent être rapidement analysées pour déterminer des propriétés telles que l'appartenance de classe dans un but d'identification. Afin de classer les résultats, l'appartenance de classe est établie lors d'expérimentations préalables sur des images qui ont été caractérisées. Ces précédentes expérimentations sont exécutées lors de l'application d'un noyau d'extraction de textures en fenêtre selon l'invention.

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