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Projection stage of single photon emission computed tomography (SPECT) was discussed to analyze the characteristics of information transmission and evaluate the data integrity. Information is transferred from the source to the detector in the photon emitting process. In the projection stage, integrity of projection data can be assessed by the information entropy, which is the conditional entropy standing...
The SPECT imaging process has two fundamental stages: detection and display. The detection stage can be rigorously quantitatively described by Shannon's information theory. Information is transferred from the source to the detector in the photon emitting process. In the detection stage, integrity of projection data can be assessed by the information entropy, which is the conditional entropy standing...
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