FIELD: physics, computer engineering.
SUBSTANCE: present invention relates to generation of X-rays, and specifically to a method and a system for simulating dose reduction during X-ray imaging. A method of simulating dose reduction when collecting X-ray system data comprises a step of providing first X-ray information containing first noise, wherein the first X-ray information is collected with a first dose adjustment parameter, a step of providing a second dose adjustment parameter, a step of determining noise difference to obtain simulated second X-ray information collected with a second dose adjustment parameter, and a step of incorporating the noise difference into the first X-ray information to obtain simulated second X-ray information containing second noise. The noise difference is a local noise difference which depends on the local intensity distribution of the first X-ray information.
EFFECT: use of the invention enables to optimise the signal-to-noise ratio without deterioration of image quality.
13 cl, 3 dwg
