CPC A61B 6/027 (2013.01) [A61B 6/032 (2013.01); A61B 6/0487 (2020.08); A61B 6/06 (2013.01); A61B 6/4035 (2013.01); A61B 6/4085 (2013.01); A61B 6/4233 (2013.01); A61B 6/4441 (2013.01); A61B 6/4447 (2013.01); A61B 6/5205 (2013.01); A61B 6/025 (2013.01)] | 24 Claims |
1. A cone-beam computer tomography imaging method comprising:
acquiring a plurality of sets of projection images of a target volume by irradiating the target with radiation from an X-ray source,
each set of projection images being associated with:
a plurality of locations of the X-ray source along a respective one of a plurality of scanning arc segments, the plurality of locations of the X-raw source being obtained by rotating the X-ray source around a rotation axis, and
a respective one of a plurality of locations of the treatment couch along one or more planes that are orthogonal to the rotation axis of the X-rays source, the plurality of locations of the treatment couch being obtained by moving the treatment couch around the one or more planes; and
generating a three-dimensional image of the volume based on the plurality of sets of projection images.
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