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Lecturer(s)
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Kotek Michal, Ing. Ph.D.
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Primas Jiří, Ing. Bc. Ph.D.
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Malík Michal, Ing. Bc. Ph.D.
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Course content
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Lectures: 1. Computerized tomography - CT, the disadvantages of conventional RTG diagnostics. CT basic principle. System arrangement. CT basic physical principle. The importance of tissue density. 2. Basic arrangement of CT individual developing generations. Helical CT RTG. Beam hardening principle. CT number definition, HU scale, the relation to the number of CT monitor displayed levels. 3. CT detectors, - sorts, schematics, operational principles, advantages and disadvantages. Micro CT. CT function diagnostics. CT RTG quality evaluation. 4. Basic principles of CT systems image reconstruction - the scheme and ideas definitions. Basic math for CT image reconstruction. The distribution of reconstruction methods. Direct and back projection as CY systems reconstruction methods. Star artifact. 5. Radon transformation - principles, the example of subject and its image in Radon space. 6. Physical principle of nuclear magnetic resonance - NMR. Atoms and nucleus relations to the magnetism or magnetic field, the spin idea, the realtion of magnetization and energetic states, precession, Larmon frequency. 7. Radio frequencies in magnetic field, phase coherence and precession, resonance. VF pulse, magnetization vector tilting, MR signal generation - longitudinal and lateral magnetization components their mutual relation, the relation of magnetization and free precession signal so called FID. 8. Relaxation, its definition, relaxation times, the influence of longitudinal component restoration on magnetic field and tissue sort, lateral relaxation and its contiguity to interaction SPIN - SPIN. 9. PET and SPET topographic systems principles, simplified scheme. The principle of iterative (algebraic) reconstruction at CT. SPECT and PET ZS quality evaluation and rating. CT and PET combination. 10. Specialized imaging systems - conventional and tomography (imaging via capsules, electric impedance tomography and further special tomography types). Practice: 1. CT images reconstruction, simple examples 2. CT images reconstruction using the n 3. The reconstruction demonstration in MATLAB 4. The horizontal and vertical profile of 2D image 5. Radon transformation - principle, the example of subject and its image in Radon space 6. Radon transformation direct and reverse in MATLAB 7. DICOM shots processing in MATLAB 8. DICOM shots processing in Image Processing Toolbox 9. Written knowledge verification 10. Classified credits
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Learning activities and teaching methods
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Monological explanation (lecture, presentation,briefing), Demonstration, Laboratory work
- Home preparation for classes
- 34 hours per semester
- Preparation for credit
- 30 hours per semester
- Class attendance
- 56 hours per semester
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Learning outcomes
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Physical principles of construction of tomographic systems used in medicine and biology. Features and technical-physical limits of their construction. Count RTG tomographs (CT RTG), evaluation systems of magnetic resonance (MR). One-photon systems (SPECT) and doublephoton - positron (PET) emission tomography. Specialized systems (MicroCT). Evaluation process quality merit rating.
Students will get knowledge about common used tomographic systems, their division and using pertience
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Prerequisites
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Physics knowledge at level of high school. Passing of Evaluating systems (ZOS*Z) courses
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Assessment methods and criteria
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Combined examination
Requirements for getting a credit are activity at the practicals /seminars and successful passing the tests. Examination is of the written and oral forms.
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Recommended literature
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Svatoš, J. Zobrazovací systémy v lékařství. ČVUT, 1998. ISBN 80-01-01873-3.
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Zuna, Poušek. Úvod do zobrazovacích metod v lékařské diagnostice. ČVUT, 2002. ISBN 978-80-01-03779-9.
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