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Image processing apparatus with forgery prevention system

Image Number 18 for United States Patent #5424807.

The present invention relates to an image processing apparatus and a method therefor for processing an input image and recording it on a recording medium. In particular, a predetermined original is registered in order to prevent bank bills or securities from being forged by color copying so that an original which is determined to be in coincidence with the registered original is subjected to a different processing from a usual processing.

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