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公开(公告)号：US3048666A
公开(公告)日：1962-08-07
申请号：US79137059
申请日：1959-02-05
Applicant: IBM
Inventor： NEVILLE RICHARD G
CPC classification number: G11B23/0007 , G11B5/17 , G11B5/335
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公开(公告)号：US3560931A
公开(公告)日：1971-02-02
申请号：US3560931D
申请日：1969-03-26
Applicant: IBM
Inventor： NEVILLE RICHARD G
CPC classification number: G06K9/186
Abstract: THIS DISCLOSURE IS DIRECTED TO AN IMPROVED CHARACTER RECOGNITION SYSTEM. IN PARTICULAR, IT UTILIZES A PARALLEL OPERATING MULTI-CHANNEL DIGITAL-TYPE OF DETECTOR SYSTEM WHICH PROVIDES COMPENSATION FOR ANY VARIATIONS IN ALIGNMENT OF THE CHARACTER-TO-SCANNER REGISTRATION. THE SYSTEM OPERATES THROUGH THE USE OF SCANNERS EACH HAVING A QUANTIZER CIRCUIT ASSOCIATED THEREWITH. SUITABLE SYSTEM OPERATES ARRANGED TO RECEIVE AND TRANSMIT TO THE QUANTIZER THE OUTPUT OF ADJACENT SCANNING OPERATIONS WHICH COLLECTIVELY OVERCOME ANY MIS-REGISTRATION CONDITIONS OF ANY CHARACTER RELATIVE TO ANY SCANNING UNITS.
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公开(公告)号：CA2036274A1
公开(公告)日：1991-09-16
申请号：CA2036274
申请日：1991-02-13
Applicant: IBM
Inventor： DINAN RAYMOND F , NARASIMHA MANTHRI S I , NEVILLE RICHARD G , RODITE ROBERT R R
Abstract: DOCUMENT PROCESSOR INCLUDING METHOD AND APPARATUS FOR IDENTIFYING AND CORRECTING ERRORS A method and system for identifying errors in recognition and for correcting such errors. During the recognition process, the most likely (or primary recognition) character and a second or alternative character (representing the next most likely recognition) together with a probability of the most likely character being correct. When an error is detected, as by the recognized characters on individual documents not totalling the total on a summary document, then characters with lowest probability in the correct place value are examined until the replacement of an alternate character for the most likely character allows the characters on the individual documents total the total on the summary document.
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