Functional Brain Imaging |
From inside the book
Results 1-3 of 90
Page 103
The total of all projections at different angles is the Radon transform of the object .
Each point in the Radon transform of the object represents a line integral through
the object . The overall objective is to determine the original object spatial ...
The total of all projections at different angles is the Radon transform of the object .
Each point in the Radon transform of the object represents a line integral through
the object . The overall objective is to determine the original object spatial ...
Page 105
11 11 === U Radon transform Back projection Filter ( x , y ) ( x , y ) II X - ray tube
T T X - ray beam A T Field of view trir ... when backprojected and added with the
rest of the filtered and backprojected projections , leads to cancellation of the ...
11 11 === U Radon transform Back projection Filter ( x , y ) ( x , y ) II X - ray tube
T T X - ray beam A T Field of view trir ... when backprojected and added with the
rest of the filtered and backprojected projections , leads to cancellation of the ...
Page 172
The projection theorem states that the onedimensional Fourier transform of a
projection ( at an angle 8 ) is equivalent to a ... Essentially , the same number of
projections are taken , but now all the projections are made from one angle with ...
The projection theorem states that the onedimensional Fourier transform of a
projection ( at an angle 8 ) is equivalent to a ... Essentially , the same number of
projections are taken , but now all the projections are made from one angle with ...
What people are saying - Write a review
We haven't found any reviews in the usual places.
Contents
Introduction to Brain Imaging | 1 |
Computerized Axial Tomography | 97 |
Magnetic Resonance Imaging | 145 |
Copyright | |
6 other sections not shown
Other editions - View all
Functional Brain Imaging William W. Orrison,Jeffrey Lewine,John Sanders,Michael F. Hartshorne Limited preview - 2017 |
Common terms and phrases
abnormal activity additional agents allow appearance applications arterial associated blood flow brain cause cells central cerebral changes clinical complex components computed concentration considered contrast cortex cortical decreased demonstrating depends detection diffusion direction disease echo effects emission et al evoked FMRI frequency functional glucose gradient human imaging important increased indicator injection intensity lateral less levels limited localization Magn Reson magnetic field mapping matter measured membrane methods motor nerve neurons normal Nucl nuclei object observed obtained occur oxygen particular patients pattern peak perfusion phase potential primary processing produce projections pulse recorded regions relative relaxation resolution response scan sensitivity sequences shift signal significant space spatial SPECT stimulation strength structure studies techniques temporal tion tissue tomography tumors typically visual volume York