JPS55138171A - Real-time character recognition unit - Google Patents
Real-time character recognition unitInfo
- Publication number
- JPS55138171A JPS55138171A JP4708379A JP4708379A JPS55138171A JP S55138171 A JPS55138171 A JP S55138171A JP 4708379 A JP4708379 A JP 4708379A JP 4708379 A JP4708379 A JP 4708379A JP S55138171 A JPS55138171 A JP S55138171A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- stroke
- strokes
- shape
- character
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Character Discrimination (AREA)
Abstract
PURPOSE: To determine the kind of an input character correctly by limiting proposed characters by stroke shape features when character recognition is not fixed unconditionally by the position relation of strokes.
CONSTITUTION: The size of a real-time input character expressed by a time series of strokes is normalized by normalizing circuit 2 and on the basis of the number of representative points from representative-point-number determining circuit 3, representative-point coordinate determining circuit 4 finds coordinates of representative points dividing strokes. In addition, relative position matrix extracting circuit 5 extracts a relative position matrix among representative points and position matrix matching circuit 6 matches the relative position of the character with position matrix dictionary 7 within the range of a proposed category narrowed by proposition selecting circuit 11 by the number of strokes. Then, the category is narrowed and applied to stroke-shape-feature matching circuit 9 and shape features extracted by stroke- shape-feature extracting circuit 8 are collated with stroke-shape-feature dictionary 10 to limit proposed characters, thereby determining a proposed character which could not be determined by the position relation.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54047083A JPS5852266B2 (en) | 1979-04-17 | 1979-04-17 | Real-time character recognition device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54047083A JPS5852266B2 (en) | 1979-04-17 | 1979-04-17 | Real-time character recognition device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55138171A true JPS55138171A (en) | 1980-10-28 |
JPS5852266B2 JPS5852266B2 (en) | 1983-11-21 |
Family
ID=12765272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54047083A Expired JPS5852266B2 (en) | 1979-04-17 | 1979-04-17 | Real-time character recognition device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5852266B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5953989A (en) * | 1982-09-21 | 1984-03-28 | Casio Comput Co Ltd | Input data recognizing system |
US6175651B1 (en) | 1996-05-30 | 2001-01-16 | Nec Corporation | On line-character recognition method and device |
-
1979
- 1979-04-17 JP JP54047083A patent/JPS5852266B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5953989A (en) * | 1982-09-21 | 1984-03-28 | Casio Comput Co Ltd | Input data recognizing system |
US6175651B1 (en) | 1996-05-30 | 2001-01-16 | Nec Corporation | On line-character recognition method and device |
Also Published As
Publication number | Publication date |
---|---|
JPS5852266B2 (en) | 1983-11-21 |
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