| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an iterative reconstruction method without requiring storing of intermediate 3D images. <P>SOLUTION: The method includes processing steps for collecting a plurality of 2D projection images of an object by using an imaging system, the collection being defined by Rf=s (wherein s is a vector for collection projection, R is a projection operator which models the imaging system, and f is the 3D image of the object to be reconstructed with knowledge of R and s), processing the collected 2D projection images by applying an iterative algorithm defined by the iteration, and generating at least one processed projection image set in each iteration defined so that the 3D image of the object is a linear function of the processed 2D projection images according to the property f<SP>(n)</SP>= R^p<SP>(n)</SP>(R^ is a matrix such that R^Rf is a 3D image). <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
