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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Filtering methods in NMR measurements
 Ryšavý, Ladislav ; Rajmic, Pavel (referee) ; Gescheidtová, Eva (advisor)
Bachelor's thesis deals with the wavelet transform and its use in processing and removing noise from images acquired by nuclear magnetic resonance. In the theoretical part of work is briefly described the principle of nuclear magnetic resonance, the wavelet transform is described, the selection of appropriate wavelets for filtering, two-dimensional wavelet transform for the processing of image data and appropriate tresholding techniques. The experimental part is focused on the filtration of magnetic fields and map images jaw joint as maps fields. They are filtering the results using different types of waves. It is shown through the evaluation of filtration ratio signal / noise and the steepness of the signal in the image.
Detailed record
Filtering methods in NMR measurements
 Ryšavý, Ladislav ; Rajmic, Pavel (referee) ; Gescheidtová, Eva (advisor)
Bachelor's thesis deals with the wavelet transform and its use in processing and removing noise from images acquired by nuclear magnetic resonance. In the theoretical part of work is briefly described the principle of nuclear magnetic resonance, the wavelet transform is described, the selection of appropriate wavelets for filtering, two-dimensional wavelet transform for the processing of image data and appropriate tresholding techniques. The experimental part is focused on the filtration of magnetic fields and map images jaw joint as maps fields. They are filtering the results using different types of waves. It is shown through the evaluation of filtration ratio signal / noise and the steepness of the signal in the image.
Detailed record

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