JPS54156431A - Pattern recognition unit - Google Patents
Pattern recognition unitInfo
- Publication number
- JPS54156431A JPS54156431A JP6438878A JP6438878A JPS54156431A JP S54156431 A JPS54156431 A JP S54156431A JP 6438878 A JP6438878 A JP 6438878A JP 6438878 A JP6438878 A JP 6438878A JP S54156431 A JPS54156431 A JP S54156431A
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- character frame
- standard pattern
- difference
- effective
- 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.)
- Pending
Links
Landscapes
- Character Discrimination (AREA)
Abstract
PURPOSE: To enable to discriminate the inputted unknown patterns different in size with one standard pattern, by normalizing the standard pattern based on the cut out pattern and obtaining the difference from it.
CONSTITUTION: The binary pattern separated every character is fed to the pattern register 15-1. The character frame information enters the memory 15-2. The character frame memories 18-3-2 and 18-3-4 have the address of the end of the standard pattern having th minimum and maximum line width. Further, the effective character frame calculation circuit 19-1 obtains the effective character frame of the standard pattern, and the result is fed to the effective character frame memory 19-2. Further, the shift calculation circuits 19-3-1 to 19-3-4 calculate the number of shifts for the effective character frame and the character frame of the input pattern. Next, the bit address conversion circuits 19-4-1 to 8 normalize the standard pattern and feed it to the pattern registers 20-1 and 20-2. Next, the degree of difference is calculated at the calculation section of the difference by using the standard pattern normalized.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6438878A JPS54156431A (en) | 1978-05-31 | 1978-05-31 | Pattern recognition unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6438878A JPS54156431A (en) | 1978-05-31 | 1978-05-31 | Pattern recognition unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54156431A true JPS54156431A (en) | 1979-12-10 |
Family
ID=13256880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6438878A Pending JPS54156431A (en) | 1978-05-31 | 1978-05-31 | Pattern recognition unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54156431A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5998287A (en) * | 1982-11-26 | 1984-06-06 | Nec Corp | Recognizing device of dot character |
-
1978
- 1978-05-31 JP JP6438878A patent/JPS54156431A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5998287A (en) * | 1982-11-26 | 1984-06-06 | Nec Corp | Recognizing device of dot character |
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