Is filtered back projection still used?
Is filtered back projection still used? Limitations. Back projection has two distinctive limitations, noise and streak artifacts. It is due to the combination of these restrictions and the advancement of computers that iterative algorithms are slowly replacing the filtered back projection method of image reconstruction. What are back projections? back projection in British English noun. a method of projecting pictures onto a translucent screen so that they are viewed from the opposite side, used esp in films to create the illusion that the actors in the foreground are moving. Also called: background projection. What is back projection in projector? Rear...