Method and system for print quality analysis

Details Method and system for print quality analysis Method and system for print quality analysis

2005-11-22

2005-11-22

Couso, Jose L. (Department: 2621)

Image analysis

Applications

Document or print quality inspection

C399S015000, C358S406000

Reexamination Certificate

active

06968076

ABSTRACT:
A system is disclosed for detecting defects in a printed image to analyze print quality of printers or copiers. The printed image is scanned by the scanner and the printed image data obtained in the scanner is fed back and compared with original image data. The system detects defects in the printed image in a closed loop manner. The printed image data is automatically fed back to a control unit so that a processor compares the printed image data with the original image data to detect defects in the printed image. The system analyzes comparison results to find skew in the printed image.

REFERENCES:
patent: 5057936 (1991-10-01), Bares
patent: 5278624 (1994-01-01), Kamprath et al.
patent: 5546165 (1996-08-01), Rushing et al.
patent: 5625703 (1997-04-01), Okuda et al.
patent: 6275600 (2001-08-01), Banker et al.
patent: 6335978 (2002-01-01), Moscato et al.

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