CPC G06T 11/008 (2013.01) [A61B 6/032 (2013.01); A61B 6/5205 (2013.01); A61B 6/5211 (2013.01); G01N 23/046 (2013.01); G06T 5/002 (2013.01); G06T 5/20 (2013.01); G06T 11/003 (2013.01); G06T 11/006 (2013.01); G01N 2223/401 (2013.01); G01N 2223/419 (2013.01); G06T 5/50 (2013.01); G06T 2207/10081 (2013.01); G06T 2207/20224 (2013.01); G06T 2211/421 (2013.01); G06T 2211/424 (2013.01)] | 20 Claims |
1. A method implemented on at least one machine each of which has at least one processor and at least one storage device, the method comprising:
obtaining a first image based on a set of raw data;
obtaining a second image based on the first image, the second image being extended from the first image;
generating a second sinogram by applying a first filter on a first sinogram associated with the first image; and
performing, based on the second sinogram, the second image and the set of raw data, iterative reconstruction to generate a third image.
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