CPC G01N 23/046 (2013.01) [G01V 5/005 (2013.01); G01N 2223/639 (2013.01)] | 12 Claims |
1. A detection apparatus for a CT system, comprising:
a high-energy detector assembly comprising a plurality of rows of high-energy detectors arranged along a predetermined trajectory; and
a low-energy detector assembly comprising a plurality of rows of low-energy detectors arranged at intervals along the predetermined trajectory, the low-energy detector assembly and the high-energy detector assembly being disposed in a stack;
wherein a number of rows of the low-energy detectors is smaller than a number of rows of the high-energy detectors; and
each row of the low-energy detectors covers a row of the high-energy detectors.
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