JPS54156431A - Pattern recognition unit - Google Patents

Pattern recognition unit

Info

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
Application number
JP6438878A
Other languages
Japanese (ja)
Inventor
Yoshito Kitano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP6438878A priority Critical patent/JPS54156431A/en
Publication of JPS54156431A publication Critical patent/JPS54156431A/en
Pending legal-status Critical Current

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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
JP6438878A 1978-05-31 1978-05-31 Pattern recognition unit Pending JPS54156431A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5998287A (en) * 1982-11-26 1984-06-06 Nec Corp Recognizing device of dot character

Cited By (1)

* Cited by examiner, † Cited by third party
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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