National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Image Processing of MR diffusion weighted images
Candrák, Matúš ; Dvořák, Pavel (referee) ; Marcoň, Petr (advisor)
The semester thesis describes the basic principles of MRI, methods for measuring diffusion coefficients and creating DWI and DTI images. As a result a practical implementation of program was implemented in Matlab, based on theoretical knowledge of the problem.
Coregistration of diffusion weighted MRI data with high b-values
Špaček, Vojtěch ; Říha, Pavel (referee) ; Vojtíšek, Lubomír (advisor)
This bachelor thesis deals with the coregistration of diffusion-weighted MRI data with high b-values. The aim is to compare selected coregistration methods on real data and to quantify the quality of the output. The theoretical part presents the principle of diffusion imaging, the effect of b-value on the image and different methods of data preprocessing with a focus on the possibilities of coregistration of images with varying contrast. In addition, available software tools and methods for assessing the quality of coregistration are introduced. In the practical portion of the paper, preprocessing of diffusion data, including coregistration by the selected methods, is performed and the quality is analyzed using statistical measures.
Image Processing of MR diffusion weighted images
Candrák, Matúš ; Dvořák, Pavel (referee) ; Marcoň, Petr (advisor)
The semester thesis describes the basic principles of MRI, methods for measuring diffusion coefficients and creating DWI and DTI images. As a result a practical implementation of program was implemented in Matlab, based on theoretical knowledge of the problem.

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