Stamp-making method and apparatus

Details Stamp-making method and apparatus Stamp-making method and apparatus

1996-12-27

1999-04-20

Rogers, Scott

Image analysis

Histogram processing

For setting a threshold

395117, 382286, 382296, 382297, 382101, 358299, G06K 1502, G06T 360

Patent

active

058964908

ABSTRACT:
There is provided a stamp-making method and apparatus therefor for making a square or circular stamp which can be accurately imprinted with reference to a top-indicating mark provided thereon, without discriminating the orientation of the stamp image engraved on the stamp surface thereof. There is formed first direction-oriented image data having each of a plurality of component elements of plate-making image data oriented in a first direction. When it is detected that it is difficult to discriminate orientation of the stamp body having the mark without reference to the mark, an instruction is given for arranging the image data in a manner oriented in a second direction. According to the instruction, the first direction-oriented image data is converted to a second direction-oriented image data in which the component elements of the plating-making image data are oriented in the second direction. A stamp body is engraved by the use of the second direction-oriented image data to thereby make a stamp.

REFERENCES:
patent: 4714957 (1987-12-01), Takano
patent: 5344247 (1994-09-01), Sakuragi et al.
patent: 5469514 (1995-11-01), Kawamura
patent: 5508810 (1996-04-01), Sato
patent: 5617481 (1997-04-01), Nakamura
patent: 5675671 (1997-10-01), Hayduchok et al.

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