| 摘要 |
PURPOSE:To reduce an error and to process exactly a graphic pattern by executing not only a position correction of the graphic pattern but also a correction of the pattern cutting width, when extracting a two-dimensional picture data to be processed. CONSTITUTION:A graphic pattern cnverted to a binary signal through a picture data bus 10 is stored in a picture memory 11. This memory 11 supplies picture data NX, NY to a graphic pattern processing part consisting of a symbol recognizing circuit 13, a video compressing circuit 14 and a mesh converting circuit 15. On the other hand, a corrected pattern cutting width is stored to a parameter determining circuit 12, and sent to circuits 13-15 in accordance with a lattice. With respect to a through-hole, a picture data whose lattice numbers are NX1 and NY1 is set as an initial value by the circuit 13 and the through- hole is recognized. As for the following segment pattern, the conversion to the lattice axes in four directions of the X axis and the Y axis is executed, by the circuit 14. Also, the directional property is extracted from a feature in the mesh area by the circuit 15. The data of these circuits 13-15 are combined by a code information converting circuit 16, and used as a connected information. |
