Image processing method incuding spatio-temporal noise filtering steps and medical imaging apparatus applying this method

摘要

The intensities (It-1, It, It+1) (1,2,3) of a pixel in three consecutive images are used to produce spatial intensities (4,5,7) and a random spatio-temporal intensity (6). Selected intensities (1,4,5,6) are supplied to a median operator (132) within a pseudo spatial branch (20) and other intensities (1,2,3,7) are fed to a mean operator (131) within a pseudo-temporal branch (10). The branch outputs are combined in a median operator (140)