Image Processing for 2-D and 3-D Reconstruction from Projections: Theory and Practice in Medicine and the Physical Sciences : Post-deadline Papers |
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Page 42
... calculated theoretically , and the results used to recon- struct the field , we found that as few as thirty simulated data points would yield considerable detail for a symmetric field.3 Reconstruction was accomplished by Fourier trans ...
... calculated theoretically , and the results used to recon- struct the field , we found that as few as thirty simulated data points would yield considerable detail for a symmetric field.3 Reconstruction was accomplished by Fourier trans ...
Page
... calculating the trans- mitted intensity through various known thicknesses of material . Next , a test object , shown ... calculated . Three reconstructions were carried out . As shown in Fig . 2 these reconstructions are of ( 1 ) the log ...
... calculating the trans- mitted intensity through various known thicknesses of material . Next , a test object , shown ... calculated . Three reconstructions were carried out . As shown in Fig . 2 these reconstructions are of ( 1 ) the log ...
Page 22
... calculate the logarithm of ng ( x ) . The statistics of the logarithm are derived from the statistics of ne ( x ) by ... calculated using non- stationary methods detailed by Metz . The ratio of the mean image to its standard deviation is ...
... calculate the logarithm of ng ( x ) . The statistics of the logarithm are derived from the statistics of ne ( x ) by ... calculated using non- stationary methods detailed by Metz . The ratio of the mean image to its standard deviation is ...
Contents
INTERFEROMETRIC RECONSTRUCTION | 1 |
RECONSTRUCTION OF EEG WAVEFRONT | 1 |
CORRECTION FOR SPECTRAL SHIFT | |
1 other sections not shown
Common terms and phrases
acoustic Algebraic reconstruction angle aperture application approximately attenuation coefficient axial calculated California closure phase coincidence collimator computerized computerized tomography convolution detection detector array distribution dose effect emission energy entropy equation error estimate experimental fan beam field of view filter Fourier transform function geometry Geophysics Gordon helium helium ions Herman image reconstruction intensity inverse iterative Laboratory Lawrence Berkeley Laboratory line integrals maximum entropy measured method noise Nucl Nuclear Medicine number density object obtained optical patient photons pinhole pion pixel plane plasma point spread function positron positron camera problem projection data pulse radiation radiography Radiology Radon transform recon reconstructed image reconstruction from projections reconstruction techniques refractive refractive index resolution rotation sampling scanner scanning scatter simulated spatial frequency strip telescope struction superposition surface Three-dimensional reconstruction tion tissue tomograms tomographic images tomography transverse two-dimensional velocity wave x-ray zero