Positron tomoscan and reconstruction methods
A technology of positron tomography and scanning methods, which is applied in computerized tomography scanners, diagnosis, echo tomography, etc., and can solve problems such as low number of spatial response lines, low resolution of three-dimensional images, and bottleneck effects of PET equipment
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Embodiment 1
[0045] Such as Figure 1 to Figure 3 As shown, the positron emission tomography method of this embodiment has the following steps:
[0046] S101: During the PET scanning process, the scanning bed moves toward the PET device as a forward direction. The human body is moved by the scanning bed, and the PPET device is positioned to a predetermined axial region of interest, that is, the scanning bed is positioned to scan the region of interest in the axial direction of the human body;
[0047] S102: moving the axial region of interest forward by 1 / 4 the crystal width of the axial detector;
[0048] S103: The PET device starts to collect data statically, and the continuous collection time is half of the preset single-bed scanning time;
[0049] S104: Move the region of interest backward by half the crystal width of the axial detector;
[0050] S105: Complete the static data collection task of the remaining single-bed scanning time.
[0051] The data output format of each static ...
Embodiment 2
[0067] Such as Figure 1 to Figure 3 As shown, the positron emission tomography method of this embodiment has the following steps:
[0068] S101: During the PET scanning process, the scanning bed moves toward the PET device as a forward direction. The human body is moved by the scanning bed, and the PPET device is positioned to a predetermined axial region of interest, that is, the scanning bed is positioned to scan the region of interest in the axial direction of the human body;
[0069] S102: moving the axial region of interest forward by 1 / 4 the crystal width of the axial detector;
[0070] S103: The PET device starts to collect data statically, and the continuous collection time is half of the preset single-bed scanning time;
[0071] S104: Move the region of interest backward by half the crystal width of the axial detector;
[0072] S105: Complete the static data collection task of the remaining single-bed scanning time.
[0073] The data output format of each static ...
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