Image analysis – Histogram processing – For setting a threshold
Patent
1985-03-28
1987-07-14
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
382 24, 382 36, G06K 900
Patent
active
046808043
ABSTRACT:
A hand-written character/graphic is recognized in a character recognition mode or a graphic recognition mode designated in accordance with stroke information supplied from a tablet input device which samples the hand-written character/graphic and converts it to the stroke information. The recognition mode is automatically designated by comparing a longer one of projection lengths on x-axis and y-axis of stroke coordinates with a predetermined threshold for a hand-written character input.
REFERENCES:
patent: 4365235 (1982-12-01), Greanias et al.
patent: 4516262 (1985-05-01), Sakurai
patent: 4531231 (1985-07-01), Crane et al.
Fukunaga Yasushi
Hirasawa Kotaro
Kuzunuki Soshiro
Shojima Hiroshi
Yokoyama Takanori
Boudreau Leo H.
Couso Jose L.
Hitachi , Ltd.
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