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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Coregistration of DKI MRI data with high b-values
 Krejčí, Ladislav ; Gajdoš, Martin (referee) ; Vojtíšek, Lubomír (advisor)
This semestral thesis deals with several options of medical images registration. Basic properties of DKI data are presented in the begining. In the following chapters it is focused on methods, which are removing motion distortion and geometrical inaccuracies. These methods are oversampling, transformation smoothing and optimalization. Software doing registration itself is also covered in this thesis. Methods of comparing registration success rates are described in the end.
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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.
Detailed record
Coregistration of DKI MRI data with high b-values
 Krejčí, Ladislav ; Gajdoš, Martin (referee) ; Vojtíšek, Lubomír (advisor)
This semestral thesis deals with several options of medical images registration. Basic properties of DKI data are presented in the begining. In the following chapters it is focused on methods, which are removing motion distortion and geometrical inaccuracies. These methods are oversampling, transformation smoothing and optimalization. Software doing registration itself is also covered in this thesis. Methods of comparing registration success rates are described in the end.
Detailed record

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