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公开(公告)号：DE2629590A1
公开(公告)日：1977-01-27
申请号：DE2629590
申请日：1976-07-01
Applicant: IBM
Inventor： BENSON GARY GUSTAF , JONES EUGENE REESE
Abstract: An optical scanner converts input images into video snapshots which are recognized at fixed intervals, independently of the presence of patterns. Sense generators identify the presence of pattern left and right sides in the snapshots, independently of the recognition unit. A direction detector determines whether the scanner is moving from left to right or vice versa. A composition unit converts the fixed-interval recognitions into a single output code for each input pattern, eliminating duplicate and incorrect data.
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