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Wide spread of printers and computers have led to increasing use of print documents in people’s common life. While mass print, automatic print quality evaluation is necessary in the fast print process to avoid the quality defect immediately when it appears. Also, in many cases print materials are direct accessories to many criminal and terrorist acts, for(More)
Printed document examination plays an important role in public security. A printer identification system is designed for the purpose of identifying the printer which created a suspect printed document. It consists of image acquisition, image preprocessing and character matching. An optical instrument is developed for document image observation and(More)
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