Image analysis – Histogram processing – For setting a threshold
Patent
1992-04-29
1994-04-19
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
382 59, G06K 900
Patent
active
053053940
ABSTRACT:
An apparatus for recognizing handwritten trace and inputting document information is disclosed which comprises trace means for inputting handwritten characters, coordinate information detection means for detecting locus information provided by said trace means as coordinate information, a display superposed on said detection means for allowing an image displayed thereon to be recognized through said detection means, M character display frames to which said handwritten characters are successively input and in which results of recognition of the locus information are displayed substantially in a cyclic manner, a logical character frame disposed in the vicinity of said character display frame for temporarily displaying N (N>M) characters cyclically input from said character display frames, a writing page portion to which characters displayed in said logical character frame are finally transferred to be displayed thereon, and an operating portion provided within said logical character frame to be operated when M characters out of the characters, N in number at its maximum, displayed in said logical character frame are to be displayed in said character display frames.
REFERENCES:
patent: 4653107 (1987-03-01), Shojima et al.
patent: 4654873 (1987-03-01), Fujisawa et al.
patent: 4827530 (1989-05-01), Yamaguichi et al.
patent: 4860372 (1989-08-01), Kuzunuki et al.
patent: 4944022 (1990-07-01), Yasujima et al.
Proceedings Tencon 87 IEEE Region 10 Conference, vol. 1, Aug. 25-28, 1987, Seoul, Korea, pp. 91-95; Y. T. Juang: `On line recognition or handwritten Chinese characters: a syntactic-semantic approach`.
IEEE Micro, vol. 5, Oct. 1984, New York, USA pp. 36-43: W. Doster & R. Oed: `Word Processing with On-line Script Recognition`.
Boudreau Leo H.
Sammut Charles P.
Sony Corporation
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