Abstract
As the Ministry of Health, Labour and Welfare is actively promoting mammography screening, the digitization of mammography has been advancing rapidly thanks to recent technology improvement. The digitization of mammography is expected to bring great advantages including higher efficiency in image storage and utilization, soft copy diagnosis and computer-assisted diagnosis. Still, however technology improves, it is a human being that reads an image and makes a final determination, and therefore "the image quality of mammograms" remains as one of the critical elements in mammography. There are many factors that affect the image quality of mammograms, including exposure conditions, exposure devices, input/output devices, image processings. This paper brings up image processings from among the factors and discusses the philosophy of image processings for mammograms.
