CPC A61B 6/5235 (2013.01) [A61B 6/037 (2013.01); G01T 1/1642 (2013.01)] | 20 Claims |
20. A collimator for single-photon emission computed tomography (SPECT) imaging comprising:
a first set of first pinholes; and
a second set of second pinholes, wherein each second pinhole of the second set of second pinholes is equipped with a filter configured to filter photons, the first set of first pinholes and the second set of second pinholes being arranged on a same plane of the collimator.
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