US Patent 10993686 Phase contrast imaging method

A phase contrast imaging (PCI) method in which, instead of using an analyzer grid, detector pixels are grouped and only a part of the total pixels are used to calculate a phase contrast image. In second, third, etc. steps, the pixels which were not used in the previous recalculation are used additionally to recalculate second, third, etc. phase contrast images. Finally the different phase contrast images are fused to result in a full image.