| 摘要 |
PROBLEM TO BE SOLVED: To drastically improve editing processing efficiency, etc., by sufficiently using a vector type line image data use system based on a raster vector conversion. SOLUTION: This image data conversion system 1 for converting raster type line image data inputted based on a line image into a vector type line image data, is provided with a CPU 3 performing a processing that the raster type line image data is subjected to thinning processing and a plurality of pieces of line segment data are extracted, a processing that at least one outline representing the contour of a line area in the raster type line image data is extracted, and a processing that a disconnection point, line segment data facing the disconnection point and the collated and a branching point on facing line segment data corresponding to the disconnection point is calculated in accordance with the collation results when an endpoint of at least one piece of line segment data among a plurality of pieces of line segment data, an image memory 4, a ROM 5 and a RAM 6.
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