Displacement correction device for machine reading of characters
The device has a scanner which measures the darkness of the characters in an optical range. The scanner or an additional device converts the continually measured darkness into black-and-white pixels. Another device carries out displacement correction of the characters converted into black pixels. Th...
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| creator | PORTSCHT, RAINER, DR., 89081 ULM, DE DENGLER, ULRICH, 78464 KONSTANZ, DE |
| description | The device has a scanner which measures the darkness of the characters in an optical range. The scanner or an additional device converts the continually measured darkness into black-and-white pixels. Another device carries out displacement correction of the characters converted into black pixels. The displacement correction is carried out by horizontal and/or vertical shearing of the characters, character lines or character fields. A horizontal shearing is carried out line-by-line with the values of j tan alpha added as integer values to the column indices of the black pixels. A vertical shearing is carried out column-by-column with the values of k tan alpha added as integer values to the line indices of the black pixels; j is the space between lines; k is the distance between columns; alpha is the angle by which the displacement correction should be carried out. |
| format | Patent |
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The scanner or an additional device converts the continually measured darkness into black-and-white pixels. Another device carries out displacement correction of the characters converted into black pixels. The displacement correction is carried out by horizontal and/or vertical shearing of the characters, character lines or character fields. A horizontal shearing is carried out line-by-line with the values of j tan alpha added as integer values to the column indices of the black pixels. A vertical shearing is carried out column-by-column with the values of k tan alpha added as integer values to the line indices of the black pixels; j is the space between lines; k is the distance between columns; alpha is the angle by which the displacement correction should be carried out.</description><edition>6</edition><language>eng ; ger</language><subject>CALCULATING ; COMPUTING ; COUNTING ; PHYSICS</subject><creationdate>1996</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=19960912&DB=EPODOC&CC=DE&NR=19508203A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960912&DB=EPODOC&CC=DE&NR=19508203A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PORTSCHT, RAINER, DR., 89081 ULM, DE</creatorcontrib><creatorcontrib>DENGLER, ULRICH, 78464 KONSTANZ, DE</creatorcontrib><title>Displacement correction device for machine reading of characters</title><description>The device has a scanner which measures the darkness of the characters in an optical range. The scanner or an additional device converts the continually measured darkness into black-and-white pixels. Another device carries out displacement correction of the characters converted into black pixels. The displacement correction is carried out by horizontal and/or vertical shearing of the characters, character lines or character fields. A horizontal shearing is carried out line-by-line with the values of j tan alpha added as integer values to the column indices of the black pixels. 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The scanner or an additional device converts the continually measured darkness into black-and-white pixels. Another device carries out displacement correction of the characters converted into black pixels. The displacement correction is carried out by horizontal and/or vertical shearing of the characters, character lines or character fields. A horizontal shearing is carried out line-by-line with the values of j tan alpha added as integer values to the column indices of the black pixels. A vertical shearing is carried out column-by-column with the values of k tan alpha added as integer values to the line indices of the black pixels; j is the space between lines; k is the distance between columns; alpha is the angle by which the displacement correction should be carried out.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; ger |
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| subjects | CALCULATING COMPUTING COUNTING PHYSICS |
| title | Displacement correction device for machine reading of characters |
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