Reconstruction device, method
A scintillator, voxel technology, used in measurement devices, instruments, radiation measurement, etc.
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[0047] The invention will be better understood by reading the following description, and by studying the drawings. In addition, these are provided as non-limiting simple examples of embodiment.
[0048] The present invention describes a method and apparatus for computing voxels defining a TOR (tube of response) within the reconstruction space of a positron emission tomography (PET) apparatus with multiple scintillators. Here, the voxels in the reconstruction space have a predetermined size. The method includes: a step of selecting the respective centers of two scintillators that define the LOR; a step of determining an intersecting voxel in a reconstruction space that intersects a straight line connecting the centers of the two scintillators; and calculating Steps of intersecting voxels adjacent to voxels; merging intersecting voxels and adjacent voxels to create a merged set of voxels; deleting duplicate voxels in the merged set of voxels to generate a voxel that specifies T...
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