| 摘要 |
PURPOSE: To provide a computerized method and device for improving the precision of diagnosis through the use of a picture emphasized for detecting secular change between hourly consecutive digital medical picture. CONSTITUTION: A pair of pictures are digitized (steps 10 and 20) and in order to make corresponding positions at the two pictures equal, the positioning of the pictures including the distortion of one of the pictures to be nonlinear is executed (step 40). After this, the distorted picture and the other picture are subtraction-processed (step 50). A slightly opaque part existing at a picture photographed later is detected at a subtraction picture. |
