Portable uniform correcting device for PET equipment and correcting method of portable uniform correcting device
A calibration device and normalization technology, applied in computerized tomography scanners, echo tomography, etc., can solve problems affecting the value of diagnostic images, and achieve the effects of simple structure, high precision, and short calibration time
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[0019] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0020] Please refer to figure 1 , figure 2 as well as Figure 4 As shown, the present invention is used for the preferred embodiment of the portable normalization correction device of PET equipment, comprises the PET frame 1 that is provided with scanning hole and scanning bed 2, is provided with detector in PET frame 1, detector It has a circular scanning field of view (scanning field of view, referred to as FOV, Field of Vision, which is defined as the area where real coincidence events can be detected inside the detector ring) (not shown in the figure), and t...
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