Texture analysis based on the Hermite transform for image classification and segmentation

Alfonso Estudillo-Romero; Boris Escalante-Ramirez; Jesus Savage-Carmona

doi:10.1117/12.922658

4 May 2012 Texture analysis based on the Hermite transform for image classification and segmentation

Alfonso Estudillo-Romero, Boris Escalante-Ramirez, Jesus Savage-Carmona

Proceedings Volume 8436, Optics, Photonics, and Digital Technologies for Multimedia Applications II; 843619 (2012) https://doi.org/10.1117/12.922658
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

Texture analysis has become an important task in image processing because it is used as a preprocessing stage in different research areas including medical image analysis, industrial inspection, segmentation of remote sensed imaginary, multimedia indexing and retrieval. In order to extract visual texture features a texture image analysis technique is presented based on the Hermite transform. Psychovisual evidence suggests that the Gaussian derivatives fit the receptive field profiles of mammalian visual systems. The Hermite transform describes locally basic texture features in terms of Gaussian derivatives. Multiresolution combined with several analysis orders provides detection of patterns that characterizes every texture class. The analysis of the local maximum energy direction and steering of the transformation coefficients increase the method robustness against the texture orientation. This method presents an advantage over classical filter bank design because in the latter a fixed number of orientations for the analysis has to be selected. During the training stage, a subset of the Hermite analysis filters is chosen in order to improve the inter-class separability, reduce dimensionality of the feature vectors and computational cost during the classification stage. We exhaustively evaluated the correct classification rate of real randomly selected training and testing texture subsets using several kinds of common used texture features. A comparison between different distance measurements is also presented. Results of the unsupervised real texture segmentation using this approach and comparison with previous approaches showed the benefits of our proposal.

Citation Download Citation

Alfonso Estudillo-Romero, Boris Escalante-Ramirez, and Jesus Savage-Carmona "Texture analysis based on the Hermite transform for image classification and segmentation", Proc. SPIE 8436, Optics, Photonics, and Digital Technologies for Multimedia Applications II, 843619 (4 May 2012); https://doi.org/10.1117/12.922658

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