. "M\u011B\u0159en\u00ED a simulace vlivu susceptibility a vodivosti v MR tomografii" . "http://www.isvav.cz/projectDetail.do?rowId=KJB208130603"^^ . " susceptibility measurement" . "The 2D and 3D models of impact of material with electric and magnetic property on MRT images were designed. The MR method of susceptibility measurement was developed including digital filtration and deformities correction method of MR image was proposed."@en . . " denoising filtration" . "nuclear magnetic resonance" . . "KJB208130603" . "Byly navr\u017Eeny 2D a 3D modely vlivu elektricky a magneticky vodiv\u00FDch materi\u00E1l\u016F na pole MR tomografu a vyvinuta metoda m\u011B\u0159en\u00ED susceptibility v\u010Detn\u011B \u010D\u00EDslicov\u00E9 filtrace. Byla rozpracov\u00E1na metoda korekce MR obrazu deformovan\u00E9ho vlivem vlastnost\u00ED materi\u00E1l\u016F."@cs . . . "2008-12-31+01:00"^^ . . . . "2006-01-01+01:00"^^ . . "Projekt s vyu\u017Eit\u00EDm simulace a experiment\u00E1ln\u00EDho ov\u011B\u0159en\u00ED \u0159e\u0161\u00ED vliv zm\u011Bn homogenity statick\u00E9ho a vf magnetick\u00E9ho pole m\u011B\u0159en\u00FDch vodiv\u00FDch vzork\u016F na MR obrazy a vyvine speci\u00E1ln\u00ED \u010D\u00EDslicovou filtraci MR sn\u00EDman\u00FDch dat s vyu\u017Eit\u00EDm waveletovsk\u00E9 transformace sign\u00E1l\u016F. Projekt p\u0159isp\u011Bje k rozvoji MR zobrazovac\u00EDch technik, zejm\u00E9na MRI a MRS technik pro \u017Eiv\u00E9 objekty \u2013 \u010Dlov\u011Bka a \u017Eivo\u010Dichy. Postup \u0159e\u0161en\u00ED projektu p\u0159edpokl\u00E1d\u00E1: 1) Simulaci a experiment\u00E1ln\u00ED ov\u011B\u0159en\u00ED vlivu magnetick\u00E9 susceptibility a vodivosti MR vzork\u016F na homogenitu stacion\u00E1rn\u00EDho i vf excita\u010Dn\u00EDho magnetick\u00E9ho pole. 2) Rozvoj filtra\u010Dn\u00EDch technik na principu bank filtr\u016F s waveletovou b\u00E1z\u00ED pro zpracov\u00E1n\u00ED MR sign\u00E1l\u016F. 3) N\u00E1vrh metodiky m\u011B\u0159en\u00ED a zpracov\u00E1n\u00ED z\u00EDskan\u00FDch MR obraz\u016F s ohledem na eliminaci zkreslen\u00ED obrazu zp\u016Fsoben\u00E9ho uveden\u00FDmi vlivy. 4) Experiment\u00E1ln\u00ED ov\u011B\u0159en\u00ED navr\u017Een\u00FDch technik." . "0"^^ . "2008-02-21+01:00"^^ . "1"^^ . . . " numerical modeling of magnetic field" . . . . "0"^^ . . . "Measurement and simulation of material susceptibility and conductivity influences in MR tomography"@en . "58"^^ . "nuclear magnetic resonance; susceptibility measurement; numerical modeling of magnetic field; denoising filtration; MR image distortion, eddy currents, digital filtering"@en . . "58"^^ . " MR image distortion" . . "2013-11-05+01:00"^^ . "Using simulation and experimental verification the project solves the effect of changes in homogeneity of static and HF magnetic fields evoked by specimen made from conductive and/or magnetic material in MR tomographs. Design of the MR signals digital filtering techniques based on multirate systems and wavelet transformation will be part of the solution. The project will contribute to the development of the magnetic resonance imaging methods, especially MRI and MRS in vivo studies. Solution progress of the project presupposes: 1) Simulation and experimental verification of the magnetic susceptibility and the electrical conductivity influence of the specimen to the homogeneity of the static and hf fields. 2) Design of the digital filtering techniques based on principles of wavelet filter banks for MR signal processing. 3) Methodological design of MR measuring and image processing methods with respect to elimination of image distortion. 4) Experimental verification of designed techniques"@en . " eddy currents" . .