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  • Title: Digital processing of images from a zone plate camera.
    Author: Wilson BC, Parker RP, Dance DR.
    Journal: Phys Med Biol; 1975 Sep; 20(3):757-70. PubMed ID: 1187777.
    Abstract:
    A method for the digital decoding of data obtained with a gamma camera fitted with a zone plate aperture is described. Taking a line source as the object, computer simulations have been used to examine the effects of noise, solid angle variations, shape of detector and detector resolution and methods of dealing with these effects are considered. Using an Anger gamma camera and a zone plate aperture both a line source and a thyroid phantom containing 99Tcm have been well reconstructed. The behaviour of the system with regard to resolution, signal-to-noise ratio and tomographic capability is discussed.
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