Double-material PET imaging system and method
An imaging system and imaging method technology, applied in the fields of nuclear medicine imaging and high-energy physics, can solve the problems of low spatial resolution, low time resolution, and low signal-to-noise ratio of imaging, and achieve high time resolution and high energy resolution , the effect of high spatial sensitivity
Inactive Publication Date: 2020-05-29
NANCHANG UNIV
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[0008] Traditional PET uses only a single type of scintillation crystal, and a single crystal is used as a scintillation crystal. Because the crystal itself has certain defects, the PET imaging system made of a single crystal material will have a low signal-to-noise ratio during imaging. , low temporal resolution, low imaging spatial resolution and low sensitivity
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[0041] The technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.
[0042] like Figure 1 to Figure 5 Said:
[0043]The dual-material PET imaging system includes a photoelectric detection and conversion module 100, a sampling module, a data processing module 230, an image reconstruction module 330, and a display screen 340; the photoelectric detection and conversion module 100 is connected with the sampling module and transmits information to the sampling module, and the sampling module and The data processing module 230 is connected, and the data sampled by the sampling module is sent to the data processing module 230, and the data processing module 230 is connected with the data processing module 230. The data processing module 230 extracts the feature information feature from the received data and packs 232 and sends it to the image reconstruction module 330, showing The screen ...
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The invention discloses a double-material PET imaging system and method, and belongs to the field of high-energy physics and nuclear medicine imaging. The system comprises a photoelectric detection and conversion module, a sampling module, a data processing module, an image reconstruction module and a display screen, and the photoelectric detection and conversion module is connected with the sampling module and transmits information to the sampling module; the sampling module is connected with the data processing module, and the data sampled by the sampling module is sent to the data processing module; the data processing module is connected with the image reconstruction module; the data processing module extracts feature information from the received data, packages the feature informationand sends the packaged feature information to the image reconstruction module; the display screen is connected with the image reconstruction module and displays a reconstructed image; the photoelectric detection and conversion module detects and emits scintillation light by using two scintillation crystal materials. Therefore, the double-material PET imaging system has the advantages of being high in photon blocking capacity, high in space sensitivity, high in time resolution and high in energy resolution.
Description
technical field [0001] The invention relates to the fields of high-energy physics and nuclear medicine imaging, in particular to a dual-material PET imaging system and method. Background technique [0002] In recent years, an important progress in diagnostic imaging is the development and application of image fusion technology. Image fusion includes hardware and software. It is a fully automatic image registration and multiple image interpretation technology. It not only has fully automatic functions and fusion of anatomical images, but also allows images with different characteristics to be displayed and interpreted on the same platform. Comparison and analysis have built a high-speed and smooth bridge between clinical diagnosis and treatment. The most eye-catching product of image fusion is PET / CT, which combines the functional information obtained by positron emission tomography (hereinafter referred to as PET) with Computed Tomography (hereinafter referred to as CT). T...
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IPC IPC(8): G01T1/164
CPCG01T1/1645
Inventor 邓贞宙胡钦陈冠东邓玉珊赖文升
Owner NANCHANG UNIV