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公开(公告)号：JPS6180478A
公开(公告)日：1986-04-24
申请号：JP10414485
申请日：1985-05-17
Applicant: Ibm
Inventor： FOX ABIJAH SHAWHAN , GREANIAS EVON CONSTANTINE , KIM JOONKI , TAPPERT CHARLES CARSON
CPC classification number: G06K9/222 , G06K9/00402 , G06T11/60
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公开(公告)号：JPH0552545B2
公开(公告)日：1993-08-05
申请号：JP10414485
申请日：1985-05-17
Applicant: IBM
Inventor： FOX ABIJAH SHAWHAN , GREANIAS EVON CONSTANTINE , KIM JOONKI , TAPPERT CHARLES CARSON
Abstract: 1. A data input and display system comprises an x-y tablet (80) and stylus (84) inputting a handwritten image in X-Y coordinate signals for display on a screen or other output device. The system includes logic (50, 52, 53, 54, 56 and 58) for collocating the coordinate signals into gross discrete groups, potentially words but without identifying the data significance of such groups, corresponding to the structural grouping of the handwritten image input and determines from the coordinate signals within such groups individually, structural data relating to each such group individually and to sets of such groups. From this data, the output image is adjusted to linear and spatial uniformity.
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公开(公告)号：SG43724A1
公开(公告)日：1997-11-14
申请号：SG1996000217
申请日：1991-08-30
Applicant: IBM
Inventor： CHEFALAS THOMAS EDWARD , FUJISAKI TETSUNOSUKE , KIM JOONKI , TAPPERT CHARLES CARSON
Abstract: For use in a handwriting recognition system a method, and apparatus for accomplishing same, that includes the steps of (a) inputting a plurality of strokes each of which is a constituent stroke of a symbol or symbols to be recognized by the system; (b) forming from the inputted strokes a first set (CHR) comprised of one or more symbols; and (c) averaging at least one characteristic of similarly formed symbols that are members of the first set to form a second set (AVG) comprised of prototype symbols to which, during the use of the system, assemblages of input strokes are compared. The method further includes the steps of (d) identifying a symbol or symbols of the second set that corresponds to only a single symbol of the first set; and (e) deleting the identified symbol or symbols from the second set. The method further includes the steps of (f) decomposing into constituent strokes the prototype symbols of the second set; and (g) forming a third set (STK) comprised of the constituent strokes of the second set to which, during the use of the system, input strokes are compared.
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公开(公告)号：DE69325204D1
公开(公告)日：1999-07-15
申请号：DE69325204
申请日：1993-03-12
Applicant: IBM
Inventor： CHEFALAS THOMAS EDWARD , TAPPERT CHARLES CARSON
Abstract: A method for use in a handwriting recognition system, and apparatus for accomplishing the method, that generates a User set of prototype symbols. The method includes the steps of (a) inputting one or more strokes for representing a predetermined symbol; and (b) comparing characteristics of the inputted strokes to stroke characteristics associated with one or more predetermined Starter prototype symbols. If the stroke characteristics match to within a predetermined threshold, the method further includes a step of (c) averaging the characteristics of the inputted stroke or stroke with the characteristics of a corresponding one or ones of the strokes of the matching one of the Starter prototype symbols to form a User prototype symbol. Further steps include (d) storing the User prototype symbol for subsequent use; and (e) deleting one or more Starter prototype symbols of the same label as the input symbol. If the stroke characteristics do not match, the method further includes the steps of (f) storing the characteristics of the one or more inputted strokes as the User prototype symbol for subsequent use; and (g) deleting the one or more Starter prototype symbols. A counter is maintained and deletes the Starter set only after a predetermined number of instances of the symbol have been entered by the user.
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公开(公告)号：DE69027519D1
公开(公告)日：1996-07-25
申请号：DE69027519
申请日：1990-11-27
Applicant: IBM
Abstract: In a handwriting recognition system a method for differentiating a first character from a second character having similar characteristics. The method includes the steps of determining during a training session at least one pairwise discriminant measure associated with the first character and with the second character. The step of determining includes a step of evaluating with a potential discriminant measure a plurality of prototype first characters and a plurality of prototype second characters. Subsequently, during a handwriting recognition session, the method evaluates with at least one of the previously determined discriminant measures selected from a set of same an input character identified as being either the first prototype character or the second prototype character. The step of evaluating includes a step of analyzing a stroke or strokes associated with the input character in accordance with one or more of the pairwise discriminant measures selected from the set, summing the results of each discriminant measure analysis to obtain a result for each of the pair of characters associated with the pairwise discriminate measure, and selecting a character from the pair that has a maximum value result.
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Patent Agency Ranking
公开(公告)号：AT181165T
公开(公告)日：1999-06-15
申请号：AT93104071
申请日：1993-03-12
Applicant: IBM
Inventor： CHEFALAS THOMAS EDWARD , TAPPERT CHARLES CARSON
Abstract: A method for use in a handwriting recognition system, and apparatus for accomplishing the method, that generates a User set of prototype symbols. The method includes the steps of (a) inputting one or more strokes for representing a predetermined symbol; and (b) comparing characteristics of the inputted strokes to stroke characteristics associated with one or more predetermined Starter prototype symbols. If the stroke characteristics match to within a predetermined threshold, the method further includes a step of (c) averaging the characteristics of the inputted stroke or stroke with the characteristics of a corresponding one or ones of the strokes of the matching one of the Starter prototype symbols to form a User prototype symbol. Further steps include (d) storing the User prototype symbol for subsequent use; and (e) deleting one or more Starter prototype symbols of the same label as the input symbol. If the stroke characteristics do not match, the method further includes the steps of (f) storing the characteristics of the one or more inputted strokes as the User prototype symbol for subsequent use; and (g) deleting the one or more Starter prototype symbols. A counter is maintained and deletes the Starter set only after a predetermined number of instances of the symbol have been entered by the user.
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公开(公告)号：DE3586342D1
公开(公告)日：1992-08-20
申请号：DE3586342
申请日：1985-08-13
Applicant: IBM
Inventor： FOX ABIJAH SHAWHAN , GREANIAS EVON CONSTANTINE , KIM JOONKI , TAPPERT CHARLES CARSON
Abstract: 1. A data input and display system comprises an x-y tablet (80) and stylus (84) inputting a handwritten image in X-Y coordinate signals for display on a screen or other output device. The system includes logic (50, 52, 53, 54, 56 and 58) for collocating the coordinate signals into gross discrete groups, potentially words but without identifying the data significance of such groups, corresponding to the structural grouping of the handwritten image input and determines from the coordinate signals within such groups individually, structural data relating to each such group individually and to sets of such groups. From this data, the output image is adjusted to linear and spatial uniformity.
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公开(公告)号：DE69325204T2
公开(公告)日：2000-01-27
申请号：DE69325204
申请日：1993-03-12
Applicant: IBM
Inventor： CHEFALAS THOMAS EDWARD , TAPPERT CHARLES CARSON
Abstract: A method for use in a handwriting recognition system, and apparatus for accomplishing the method, that generates a User set of prototype symbols. The method includes the steps of (a) inputting one or more strokes for representing a predetermined symbol; and (b) comparing characteristics of the inputted strokes to stroke characteristics associated with one or more predetermined Starter prototype symbols. If the stroke characteristics match to within a predetermined threshold, the method further includes a step of (c) averaging the characteristics of the inputted stroke or stroke with the characteristics of a corresponding one or ones of the strokes of the matching one of the Starter prototype symbols to form a User prototype symbol. Further steps include (d) storing the User prototype symbol for subsequent use; and (e) deleting one or more Starter prototype symbols of the same label as the input symbol. If the stroke characteristics do not match, the method further includes the steps of (f) storing the characteristics of the one or more inputted strokes as the User prototype symbol for subsequent use; and (g) deleting the one or more Starter prototype symbols. A counter is maintained and deletes the Starter set only after a predetermined number of instances of the symbol have been entered by the user.
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公开(公告)号：DE69027519T2
公开(公告)日：1997-01-23
申请号：DE69027519
申请日：1990-11-27
Applicant: IBM
Abstract: In a handwriting recognition system a method for differentiating a first character from a second character having similar characteristics. The method includes the steps of determining during a training session at least one pairwise discriminant measure associated with the first character and with the second character. The step of determining includes a step of evaluating with a potential discriminant measure a plurality of prototype first characters and a plurality of prototype second characters. Subsequently, during a handwriting recognition session, the method evaluates with at least one of the previously determined discriminant measures selected from a set of same an input character identified as being either the first prototype character or the second prototype character. The step of evaluating includes a step of analyzing a stroke or strokes associated with the input character in accordance with one or more of the pairwise discriminant measures selected from the set, summing the results of each discriminant measure analysis to obtain a result for each of the pair of characters associated with the pairwise discriminate measure, and selecting a character from the pair that has a maximum value result.
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公开(公告)号：DE3586342T2
公开(公告)日：1993-02-11
申请号：DE3586342
申请日：1985-08-13
Applicant: IBM
Inventor： FOX ABIJAH SHAWHAN , GREANIAS EVON CONSTANTINE , KIM JOONKI , TAPPERT CHARLES CARSON
Abstract: 1. A data input and display system comprises an x-y tablet (80) and stylus (84) inputting a handwritten image in X-Y coordinate signals for display on a screen or other output device. The system includes logic (50, 52, 53, 54, 56 and 58) for collocating the coordinate signals into gross discrete groups, potentially words but without identifying the data significance of such groups, corresponding to the structural grouping of the handwritten image input and determines from the coordinate signals within such groups individually, structural data relating to each such group individually and to sets of such groups. From this data, the output image is adjusted to linear and spatial uniformity.
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