Search for tag: "attenuation"

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Week9_Nuclear_Imaging_and_reconstruction duration 57 minutes 6 seconds Week9_Nuclear_Imaging_and_reconstruction Week9_Nuclear_Imaging_and_reconstruction	Week9_Nuclear_Imaging_and_reconstruction This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. This lecture introduces the technology used in Nuclear Medicine Imaging and describes emission reconstruction in the… medical physics medical imaging nuclear medicine image reconstrunction image attenuation patient photons ct detector projection activity detectors energy reconstruction linear collimators spect fluence angle rays ray signal positron From Janos Juhasz 12 plays 0
Week8_CT_Image_reconstrunction duration 1 hour 48 minutes Week8_CT_Image_reconstrunction Week8_CT_Image_reconstrunction	Week8_CT_Image_reconstrunction This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. This lecture describes the technology of computed tomography (CT) and presents the mathematics behind image… medical physics medical imaging ct image ct reconstrunction projection image ray ct detector theta intensity photons fourier attenuation patient transform angle signal source projections filter energy scanner slice From Janos Juhasz 14 plays 0
Week7_Physics_of_X-ray_FINAL duration 1 hour 11 minutes Week7_Physics_of_X-ray_FINAL Week7_Physics_of_X-ray_FINAL	Week7_Physics_of_X-ray_FINAL This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. This lecture provides a brief introduction to the atomic structures. Discusses the importance of ionizing radiation… medical physics medical imaging x-ray interactions energy electron electrons photons photon nucleus atom ray rays attenuation anode radiation material tube filament effect mass interaction level bit From Janos Juhasz 19 plays 0
Ionizing Radiation Interactions duration 1 hour 10 minutes Ionizing Radiation Interactions Ionizing Radiation Interactions	Ionizing Radiation Interactions energy electron photon photons contrast ray radiation particle probability particles interaction material attenuation scattering beam shell rays effect density compton From Troy Farncombe 65 plays 0
X-rays Part 2 - Radiography duration 34 minutes 59 seconds X-rays Part 2 - Radiography X-rays Part 2 - Radiography	X-rays Part 2 - Radiography ray image exposure patient photons attenuation radiation air energy kv tissue beam distance source voltage quality intensity images spot contrast From Troy Farncombe 48 plays 0
Computed Tomography duration 1 hour 58 minutes Computed Tomography Computed Tomography	Computed Tomography projection ray attenuation detector dose image ct sort coefficient slice filter intensity photons object linear beam energy source function projections From Troy Farncombe 58 plays 0
Mathematics essentials duration 50 minutes 51 seconds Mathematics essentials Mathematics essentials	Mathematics essentials This is the second part of the Monday lecture. Review of basic mathematics and trigonometry. radiology math review frequency image function space fourier intensity object power levels domain attenuation question times source resolution imaging pairs transform layer root From Janos Juhasz 67 plays 0
Nuclear Medicine - Part 2 duration 46 minutes 51 seconds Nuclear Medicine - Part 2 Nuclear Medicine - Part 2	Nuclear Medicine - Part 2 object image projection reconstruction attenuation photons pet response fourier result algorithm factor patient space medicine energy images photon imaging distribution From Troy Farncombe 52 plays 0