| 摘要 |
To provide an image processing device able to accurately discriminate a specified image in an input image data, the input image is converted to binary based on black and red color extraction blocks 6-1 and 6-2 in binary processing unit 1. These binary data are consolidated by an OR circuit and stored in storage device 2. Mark location detection unit 3 extracts a square mark from the image data stored in device 2. Pattern shape extraction unit 4 extracts another mark which is inside the square mark. Pattern matching unit 5 obtains and outputs the goodness of fit between the extracted marks and previously established marks.
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