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Proceedings Paper

Scanner image quality profiling
Author(s): Chengwu Cui
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Paper Abstract

When using a document scanner, scan image quality is often unknown to the end user of the scanned image. Document scanners may employ different imaging technologies that can result in different image characteristics. Variability of scanner parts and the manufacturing process may also create variability of the scanned image quality from machine to machine. Image quality of the same scanner may also change as it ages and becomes contaminated. If the scanned image is used for human viewing, the resulting image quality variability may not be mission critical other than being a visual annoyance because the human visual system has superb adaptation and segmentation capability. However, if the scanned image is used for machine recognition or for printing, the image quality variability may become important and even mission critical. Here we propose a framework to profile the scanner image quality and tag the scanned image with the IQ profile. We review the potential quantified aspects of scan image quality and propose a method of characterization with examples.

Paper Details

Date Published: 19 January 2009
PDF: 8 pages
Proc. SPIE 7242, Image Quality and System Performance VI, 72420Y (19 January 2009); doi: 10.1117/12.806869
Show Author Affiliations
Chengwu Cui, Lexmark International, Inc. (United States)


Published in SPIE Proceedings Vol. 7242:
Image Quality and System Performance VI
Susan P. Farnand; Frans Gaykema, Editor(s)

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