Color scanning to enhance bitonal image
A method for obtaining bitonal image data from a document obtains scanned color image data from at least two color channels and identifies, in the scanned color image data, at least one region of interest (R 1 ) containing foreground content and background content. At least one threshold data value...
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| creator | LEE YONGCHUN RZADCA MARK C HADGIS GEORGE A |
| description | A method for obtaining bitonal image data from a document obtains scanned color image data from at least two color channels and identifies, in the scanned color image data, at least one region of interest (R 1 ) containing foreground content and background content. At least one threshold data value is obtained according to an image attribute that differs between the foreground content and the background content within the region of interest (R 1 ). The scanned color image data of the document is converted to bitonal image data according to the at least one threshold data value obtained from the region of interest (R 1 ). |
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At least one threshold data value is obtained according to an image attribute that differs between the foreground content and the background content within the region of interest (R 1 ). The scanned color image data of the document is converted to bitonal image data according to the at least one threshold data value obtained from the region of interest (R 1 ).</description><language>eng</language><subject>APPARATUS SPECIALLY ADAPTED THEREFOR ; CALCULATING ; CINEMATOGRAPHY ; COMPUTING ; COUNTING ; ELECTROGRAPHY ; HOLOGRAPHY ; MATERIALS THEREFOR ; ORIGINALS THEREFOR ; PHOTOGRAPHY ; PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES ; PHYSICS</subject><creationdate>2007</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20071101&DB=EPODOC&CC=US&NR=2007253040A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20071101&DB=EPODOC&CC=US&NR=2007253040A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LEE YONGCHUN</creatorcontrib><creatorcontrib>RZADCA MARK C</creatorcontrib><creatorcontrib>HADGIS GEORGE A</creatorcontrib><title>Color scanning to enhance bitonal image</title><description>A method for obtaining bitonal image data from a document obtains scanned color image data from at least two color channels and identifies, in the scanned color image data, at least one region of interest (R 1 ) containing foreground content and background content. 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| subjects | APPARATUS SPECIALLY ADAPTED THEREFOR CALCULATING CINEMATOGRAPHY COMPUTING COUNTING ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS |
| title | Color scanning to enhance bitonal image |
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