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The purpose of our research is to develop a new myocardial single photon emission CT (SPECT) system with a semiconductor detector. The gamma camera with a semiconductor detector enables us to measure projection data with arbitrary angles because the detector is smaller than that in ordinary gamma cameras with a scintillation detector. We have proposed a new data acquisition method for a myocardial...
The development of semiconductor detectors such as CdTe and CdZnTe, which work at room temperature, has led us to study the design of a new single photon emission computed tomography (SPECT) system. These semiconductor detectors have a high energy resolution. Moreover, they are used as pixellated detectors, and so the intrinsic resolution can be equal to the size of the pixel used for measurement...
Single photon emission CT (SPECT) systems with a semiconductor detector have several advantages compared with conventional SPECT systems with a NaI(Tl) scintillation detector in terms of energy resolution and spatial resolution. On the other hand, one of the disadvantages of the detector is a small field-of-view (FOV), and thus we proposed a new SPECT system with a diverging collimator to enlarge...
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