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The all digital PET system is attracting more and more attentions due to its flexibility, scalability, reusability and upgradability. Based on the Trans-PET formerly developed by us, we are trying to fulfill online parameter calibration of the all digital PET system. The ability of thorough and quick online parameter calibration will make the system well adaptive to application variation, environment...
We are developing, at the Huazhong University of Science and Technology, a small-animal positron emission tomograph (PET) scanner that has two new features. Firstly, it uses detector modules that are based on a new digital readout electronics previously investigated and reported by us. Secondly, it can arrange the detector modules into various scanner geometries for different imaging needs. In this...
PET imaging is based on the detection in coincidence of two back-to-back annihilation photons. Implementation of coincidence detection in PET data acquisition systems usually involve energy discrimination and time discrimination. Depending on which is performed at first, the coincidence detection can be divided into two ways: energy discrimination before time discrimination (ETD) and time discrimination...
Implementation of coincidence detection in PET systems usually involve energy discrimination and time discrimination. Depending on which is performed at first, the coincidence detection can be divided into two ways: energy discrimination before time discrimination (ETD) and time discrimination before energy discrimination (TED). The major difference of them is that, certain doubles from multiples...
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