Proceedings of the International School of Physics "Enrico Fermi.", Volume 76N. Zanichelli, 1981 - Nuclear physics |
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Results 1-3 of 41
Page vi
... projections before back projection . 27 3. Practical implementation 4. Reconstruction from fan beam projections 41. Rearrangement of samples to produce parallel projections 42. Two - dimensional deconvolution 43. Back projection of ...
... projections before back projection . 27 3. Practical implementation 4. Reconstruction from fan beam projections 41. Rearrangement of samples to produce parallel projections 42. Two - dimensional deconvolution 43. Back projection of ...
Page 31
... projections . -- The theory so far has assumed parallel projections . In many applications of the method of computed tomography conical or fan beam projections are produced , as illustrated in fig . 2b ) . Several methods have been ...
... projections . -- The theory so far has assumed parallel projections . In many applications of the method of computed tomography conical or fan beam projections are produced , as illustrated in fig . 2b ) . Several methods have been ...
Page 32
... projections will produce unevenly spaced parallel projections , as shown in fig . 9 , and inter- polation will be necessary . Fig . 9 . - The formation of a parallel set of projections from a series of ... projection of modified projections.
... projections will produce unevenly spaced parallel projections , as shown in fig . 9 , and inter- polation will be necessary . Fig . 9 . - The formation of a parallel set of projections from a series of ... projection of modified projections.
Contents
A R D THORNTON | 1 |
Physicists and clinicians | 5 |
The Fourier transform properties of an image | 12 |
Copyright | |
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alveolar amplitude analysis aorta aortic approximately arterial pressure arterial system attenuation value basilar membrane beam blood flow blood pressure C₁ capillary cardiac output circulation clinical cm³ CO₂ cochlea cochlear compartment compliance components computed tomography concentration constant counting rate cross-section cuff decrease detector diameter diastolic distribution effect elastin electrode energy equation filter fluid Fourier transform frame frequency function haemoglobin hair cells halothane heart rate impulse response increase left heart linear linear-attenuation coefficient lung manometer measured medical physics membrane method mmHg muscle normal obtained oxygen P₁ P₂ pacemaker patient peripheral resistance photons physicist physiological pulmonary pulsatile pulse ratio region Rendiconti S.I.F. sample scan scanner segment shown in fig shows signal stroke volume systolic techniques tissues transducer transmural pressure tube ultrasonic V₁ velocity venous system ventilation ventricle ventricular vessel viscoelastic volume wall wave form Windkessel X-ray zero