摘要 |
<p>A method for compressing data of two-value picture image such as an original character pattern for a phototype setting by an electronic computer, wherein an original picture image is divided into a plurality of divisional picture images by division lines and then intersections between the division lines and outlines of a character area of each divisional picture image are detected to determine start and end points, and wherein, while the outlines of the character area of each divisional picture image are traced from the start points to the end points, characteristic points are selected, and then the outlines of the character areas of the adjacent divisional picture images are connected at the start and the end points.</p> |