Radiation image processing device, method, and program

A radiation image processing method which performs processing for eliminating scattered radiation included in radiation transmitted through a subject on a radiation image acquired by detecting radiation transmitted through the subject with a radiation detector, the radiation image processing method comprising:

• acquiring imaging conditions at the time of the acquisition of the radiation image;
• acquiring distance information representing the distance between the subject and the radiation detector;
• acquiring scattered radiation component information representing a scattered radiation component of radiation included in the radiation image based on at least the imaging condition;
• correcting the scattered radiation component information based on the distance information;
• and
• performing scattered radiation elimination processing of the radiation image based on the corrected scattered radiation component information.

A non-transitory computer-readable recording medium having stored therein a radiation image processing program which causes a computer to execute a radiation image processing method performing processing for eliminating scattered radiation included in radiation transmitted through a subject on a radiation image acquired by detecting radiation transmitted through the subject with a radiation detector, the radiation image processing program causing the computer to execute:

• a procedure for acquiring imaging conditions at the time of the acquisition of the radiation image;
• a procedure for acquiring distance information representing the distance between the subject and the radiation detector;
• a procedure for acquiring scattered radiation component information representing a scattered radiation component of radiation included in the radiation image based on at least the imaging condition;
• a procedure for correcting the scattered radiation component information based on the distance information;
• and
• a procedure for performing scattered radiation elimination processing of the radiation image based on the corrected scattered radiation component information.