3D analysis and analog method for CT projection data
A technology of projection data and simulation methods, applied in image data processing, instruments, 2D image generation, etc., can solve the problems of slow calculation speed, introduction of discretization noise, increase of calculation time, etc., to achieve the effect of fast calculation speed
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[0040] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0041] When the present invention is implemented, it includes steps: 1) determine the model definition method; 2) determine the scan mode definition method; 3) set the analytical simulation program in the computer; 4) generate CT by step 1), step 2), and step 3) projection data p jk .
[0042] Such as figure 2 As shown, an exemplary embodiment of the present invention includes a computer interface and a method for processing user input by a parsing simulation program. Two coordinate systems are used in the embodiment: the system coordinate system and the geometry local coordinate system. The center of the model is located at the origin of the system coordinate system, and the positions of the ray source and the detector are defined in the system coordinate system. The center of the geometry is located at the origin of the local co...
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