Image processor with readability assurance means

Details Image processor with readability assurance means Image processor with readability assurance means

1994-07-15

1996-10-15

Boudreau, Leo

Image analysis

Image transformation or preprocessing

Changing the image coordinates

382301, 382177, G06K 932

Patent

active

055662528

ABSTRACT:
With an image processor of the present invention, when a reduction mode is selected, image data of a document is stored, and whether the image data includes a character or not is detected. If no character is recognized, copying is performed. On the other hand, if a character is recognized, the character is reduced. Subsequently, the reduced character is re-recognized, and an unrecognized character rate is calculated. If the unrecognized character rate is smaller than a reference rate, copying is performed and the reduction mode comes to an end. On the other hand, if the unrecognized character rate is higher than or equal to the reference rate, a warning massage is displayed to show that reduction processing is unavailable so as to terminate the copying operation, or correct the reduced character while comparing the previously recognized character with the reduced character and start copying. With this structure, since the reduced image contains easily readable characters, the handling of the image processor is improved and its value is increased. Moreover, since only a practically usable reduced image is output, the waste of sheets is prevented.

REFERENCES:
patent: 5093868 (1992-03-01), Tanaka et al.
patent: 5384864 (1995-01-01), Spitz

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