scholarly journals 3-D Reconstruction Benchmark of a Compton Camera Against a Parallel-Hole Gamma Camera on Ideal Data

2020 ◽  
Vol 4 (4) ◽  
pp. 479-488
Author(s):  
Yuemeng Feng ◽  
Ane Etxebeste ◽  
David Sarrut ◽  
Jean Michel Letang ◽  
Voichita Maxim
Keyword(s):  
Gamma Camera ◽  
Compton Camera ◽  
Parallel Hole

Optimization of a parallel hole collimator/CdZnTe gamma-camera architecture for scintimammography

2011 ◽  
Vol 38 (4) ◽  
pp. 1806-1819 ◽  
Author(s):  
Charlotte Robert ◽  
Guillaume Montémont ◽  
Véronique Rebuffel ◽  
Loïck Verger ◽  
Irène Buvat
Keyword(s):  
Gamma Camera ◽  
Parallel Hole Collimator ◽  
Parallel Hole

Tomographic Scintigraphy Using a Pinhole Collimator and a Rotating Gamma Camera

1990 ◽  
Vol 29 (02) ◽  
pp. 24-27
Author(s):  
L. Ahlgren ◽  
L. E. Olsson
Keyword(s):  
Gamma Camera ◽  
Image Distortion ◽  
Tomographic Image ◽  
Pinhole Collimator ◽  
Axis Of Rotation ◽  
Parallel Hole Collimator ◽  
Low Sensitivity ◽  
Parallel Hole

When a pinhole collimator is to be used for tomographic studies the standard SPECT software has to be modified so as to avoid serious image distortion outside the axis of rotation. The MTF measured at the axis of rotation shows that the better resolution of the pinhole collimator as compared with that of a parallel-hole collimator improves the tomographic image. The low sensitivity of the pinhole collimator excludes the use of an aperture smaller than 6 mm for patient tomographic studies where the activity which may be administered is restricted.

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