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89 Media

Ultrasound duration 1 hour 51 minutes Ultrasound Ultrasound	Ultrasound ultrasound kind resolution wave sound transducer frequency tissue waves bit speed intensity radiation image bone imaging reflections lot surface impedance From Troy Farncombe 115 plays 0
Lecture 5a - X-ray Production duration 34 minutes 14 seconds Lecture 5a - X-ray Production Lecture 5a - X-ray Production	Lecture 5a - X-ray Production ray energy electrons tube filament spot voltage target beam electron filtration anode spectrum image production angle heat radiation tubes intensity From Troy Farncombe 50 plays 0
Lecture 5b - Radiographic Imaging duration 34 minutes 59 seconds Lecture 5b - Radiographic Imaging Lecture 5b - Radiographic Imaging	Lecture 5b - Radiographic Imaging ray image exposure patient photons attenuation radiation air energy kv tissue beam distance source voltage quality intensity images spot contrast From Troy Farncombe 43 plays 0
Week1_Course_Intro duration 20 minutes 13 seconds Week1_Course_Intro Week1_Course_Intro	Week1_Course_Intro This is an introduction to MedPhys 4D03 and it contains information about course management and organization for the Fall 2020 semester. medical physics medical imaging lab week physics imaging lecture hours textbook image questions test level path assignments radiation labs avenue lectures topic study python From Janos Juhasz 41 plays 0
Week1_Theoretical_Images duration 1 hour 3 minutes Week1_Theoretical_Images Week1_Theoretical_Images	Week1_Theoretical_Images This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester and it provides an introduction to imaging modalities and to the theory of signals and systems for modelling medical… medical physics medical imaging function delta signal imaging point image naught functions output systems signals sampling convolution input notation impulse ct linear shift infinity From Janos Juhasz 40 plays 0
Week2-Operations with functions 1 duration 1 hour 42 minutes Week2-Operations with functions 1 Week2-Operations with functions 1	Week2-Operations with functions 1 This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester and it provides an introduces the use of convolution and Fourier Transforms pertaining to 1-D and 2-D functions used in… medical physics medical imaging function fourier convolution minus transform functions frequency alpha signal domain times notation delta sine sort cosine image result multiplication naught From Janos Juhasz 41 plays 0
Week3_Digital_Images duration 50 minutes 48 seconds Week3_Digital_Images Week3_Digital_Images	Week3_Digital_Images This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. In this lecture sampling theory is presented, including aliasing, Nyquist rate. Also, quantization of images are… image function sampling frequency fourier space images points delta rate bit times object nyquist bits islands transform frequencies signal quantisation From Janos Juhasz 26 plays 0
Week4-Imaging In Practice duration 1 hour 23 minutes Week4-Imaging In Practice Week4-Imaging In Practice	Week4-Imaging In Practice This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. In this lecture some of the most important operations in intensity space, such as window/level, histograms etc. will… medical physics medical imaging image function resolution frequency pixels intensity size point pixel times window light bit images object sample microscope level microscopy format From Janos Juhasz 31 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
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
Week10_Image_analysis_rendering duration 40 minutes 25 seconds Week10_Image_analysis_rendering Week10_Image_analysis_rendering	Week10_Image_analysis_rendering This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. This lecture covers the tools used in medical image analysis, such as feature detection, image registration,… medical physics medical imaging digital imaging image 3d intensity surface projection point transformation images registration transforms ct direction edge points volume patient transform sort rendering eye From Janos Juhasz 6 plays 0
Week12_Image_reconstrunction_MRI duration 1 hour 6 minutes Week12_Image_reconstrunction_MRI Week12_Image_reconstrunction_MRI	Week12_Image_reconstrunction_MRI This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. It introduces the mathematics of image reconstruction in Magnetic Resonance Imaging. medical physics medical imaging mri gradient direction frequency field signal slice image phase protons space magnetization pulse echo delta frequencies degree vector sequence strength From Janos Juhasz 15 plays 0
Anthropology_2PA3_L20 duration 50 minutes 58 seconds Anthropology_2PA3_L20 Anthropology_2PA3_L20	Anthropology_2PA3_L20 2pa3 gender sort kinds evidence past men things image societies society kind anthropologists ideology fact understanding sorts archaeology idea images lot From ANDREW RODDICK 31 plays 0
12-Cameras duration 52 minutes 13 seconds 12-Cameras 12-Cameras	12-Cameras camera things light faces face image thing pictures images hair lab person iso stuff flash shutter picture tripod speed aperture From David Feinberg 5 plays 0
13-Faces-1 duration 48 minutes 32 seconds 13-Faces-1 13-Faces-1	13-Faces-1 face faces thing things computer image stuff picture lot array images landmarks recognition average google phases files drive issues mouth From David Feinberg 9 plays 0
The 7 Core Skills of Accessibility for Document… duration 1 hour 21 minutes The 7 Core Skills of Accessibility for Document… The 7 Core Skills of Accessibility for Document Creation	The 7 Core Skills of Accessibility for Document Creation This is a recording from our session that took place on March 8th, 2021. The 7 Core Skills of Accessibility for Document Creation workshop will demonstrate document authoring methods in… folks captions text content bit accessibility lot color contrast media screen things audio platforms image questions mcmaster cetera thing sort environment description colors presentation From dsbeddev 19 plays 0
Fluoroscopy - Part 1 duration 18 minutes 38 seconds Fluoroscopy - Part 1 Fluoroscopy - Part 1	Fluoroscopy - Part 1 image ray intensifier input output fluoroscopy radiation patient rays force phosphor screen gain light tube radiography energy interaction photon incident From Troy Farncombe 60 plays 0
Fluoroscopy - Part 2 duration 16 minutes 27 seconds Fluoroscopy - Part 2 Fluoroscopy - Part 2	Fluoroscopy - Part 2 image ray resolution photons fluoroscopy quality contrast intensifier detectors panel charge efficiency signal object ratio instance bit radiation millimeter screen From Troy Farncombe 46 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 44 plays 0
Fluoroscopy - Part 3 duration 25 minutes 23 seconds Fluoroscopy - Part 3 Fluoroscopy - Part 3	Fluoroscopy - Part 3 radiation ray image exposure patient fluoroscopy entrance skin slide tube dose intensity patients receptor rate procedures radiology output ma beam From Troy Farncombe 44 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 58 plays 0
MRI Artifacts duration 1 hour 34 minutes MRI Artifacts MRI Artifacts	MRI Artifacts space image artifact artifacts frequency echo field phase direction images things gradient motion sequence kind signal sequences pulse mri imaging From Troy Farncombe 44 plays 0
MRI Physics - Part 1 duration 2 hours 55 minutes MRI Physics - Part 1 MRI Physics - Part 1	MRI Physics - Part 1 An introduction to the physics of magnetic resonance imaging. mri magnetic resonance imaging medical imaging signal pulse frequency gradient field rf phase direction energy space echo spin guys coil image bit hydrogen spins atoms magnetization From Aravinthan Jegatheesan 106 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 50 plays 0