20100061613 | METHOD, APPARATUS AND PROGRAM FOR PROCESSING MAMMOGRAPHIC IMAGE - Provided are a method, an apparatus, and a program for processing a mammographic image, whereby the file size of the mammographic image can be remarkably reduced while retaining the original breast portion sufficient for diagnosis. A controlling unit divides an original mammographic image into a breast portion and a background portion based on a predetermined value (whether each pixel value of the original mammographic image is greater or smaller than a predetermined value). It determines the breast boundary line between the breast portion and the background portion (operation S | 03-11-2010 |