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Radiation physics 300


 
Module code RPH 300
Qualification Undergraduate
Faculty Faculty of Health Sciences
Module content

Digital radiography: data acquisition (equipment, detectors, analogue to digital conversion), image properties, image matrix, bit depth, file formats, data compression. Image processing (filters, frequency, spatial, Fourier transform), contrast adjustment (histogram equalisation, gamma-, linear and logarithmic adjustment), edge enhancement (pixel shifting, subtraction). Image quality (noise, resolution). 
Computed tomography: technological developments in construction and design. Data acquisition (parameters, field size). Image reconstruction (fundamental equations and algorithms). Image processing (CT number, window width, window height). Image quality (resolution, quantum mottle, spatial uniformity, frequency modulation transfer function). 
Magnetic resonance imaging: principles (spin angular momentum, torque, precession, magnetic moment, spin orientation, lamor frequency), acquisition (RF pulses, magnetic field gradient, superconductivity, spin echo sequence, weighted images).
Fluoroscopy: Imaging chain, image intensifiers, IQ, CCDs & CMOS detectors, flat panel detectors, cine cameras, fluoroscopic modes of operation, digital subtraction angiography (DSA), quality assurance, dose area product, diagnostic reference levels
Mammography: X-ray tube and beam filtration, X-ray generator & photo timer (AEC) system, breast compression, magnification techniques, digital mammography, radiation dose, average glandular dose.
Ultrasound: Physics of ultrasound, characteristics of sound, US transducers, production and reception of sound, Freznel zone and Fraunhofer zone, interactions between US and matter, US display echo modes, Doppler ultrasound.
 
Module credits 10.00
NQF Level 07
Prerequisites RPH 200, RSC 200, DIR 200, CDR 200
Contact time 3 lectures per week
Language of tuition Module is presented in English
Department Physics
Period of presentation Semester 1
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