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Spatial machine learning applied to multivariate and multimodal images

Abstract : This thesis focuses on multivariate spatial statistics and machine learning applied to hyperspectral and multimodal and images in remote sensing and scanning electron microscopy (SEM). In this thesis the following topics are considered:Fusion of images:SEM allows us to acquire images from a given sample using different modalities. The purpose of these studies is to analyze the interest of fusion of information to improve the multimodal SEM images acquisition. We have modeled and implemented various techniques of image fusion of information, based in particular on spatial regression theory. They have been assessed on various datasets.Spatial classification of multivariate image pixels:We have proposed a novel approach for pixel classification in multi/hyper-spectral images. The aim of this technique is to represent and efficiently describe the spatial/spectral features of multivariate images. These multi-scale deep descriptors aim at representing the content of the image while considering invariances related to the texture and to its geometric transformations.Spatial dimensionality reduction:We have developed a technique to extract a feature space using morphological principal component analysis. Indeed, in order to take into account the spatial and structural information we used mathematical morphology operators
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Submitted on : Thursday, February 15, 2018 - 11:17:06 AM
Last modification on : Wednesday, November 17, 2021 - 12:27:15 PM
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  • HAL Id : tel-01483980, version 2


Gianni Franchi. Spatial machine learning applied to multivariate and multimodal images. Image Processing [eess.IV]. Université Paris sciences et lettres, 2016. English. ⟨NNT : 2016PSLEM071⟩. ⟨tel-01483980v2⟩



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