JPS5583972A - Shape recognition processing system - Google Patents

Shape recognition processing system

Info

Publication number
JPS5583972A
JPS5583972A JP15877678A JP15877678A JPS5583972A JP S5583972 A JPS5583972 A JP S5583972A JP 15877678 A JP15877678 A JP 15877678A JP 15877678 A JP15877678 A JP 15877678A JP S5583972 A JPS5583972 A JP S5583972A
Authority
JP
Japan
Prior art keywords
decision
symbol
closed loop
circuit part
loop
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
Application number
JP15877678A
Other languages
Japanese (ja)
Other versions
JPS5816500B2 (en
Inventor
Toshio Matsuura
Masumi Yoshida
Shigemi Osada
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP53158776A priority Critical patent/JPS5816500B2/en
Publication of JPS5583972A publication Critical patent/JPS5583972A/en
Publication of JPS5816500B2 publication Critical patent/JPS5816500B2/en
Expired legal-status Critical Current

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  • Image Analysis (AREA)

Abstract

PURPOSE: To secure the highly efficient recognition for each symbol by distinguishing the convex pattern symbol, the closed loop symbol and complicated closed symbol each based on the decision output produced by the closed loop group symbol decision process part and the intra-loop pattern detection process part.
CONSTITUTION: Artificial black mesh production circuit part 3 forms the pattern after conversion, and closed loop decision circuit part 4 gives decision to the closed loop group symbol. Intra-loop scanning process circuit part 5 carries out the process, and complicated closed loop decision circuit 6 gives decision to the complicated closed loop. Noise elimination circuit part 7 eliminates the noise, and tangentline histogram production circuit parts 8 and 9 recognized the output shapes of symbols. Squaure shape decision circuit part 10 decide the square shape, and line histogram production circuit parts 11 and 12 produce the histograms each.
COPYRIGHT: (C)1980,JPO&Japio
JP53158776A 1978-12-19 1978-12-19 Shape recognition processing method Expired JPS5816500B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53158776A JPS5816500B2 (en) 1978-12-19 1978-12-19 Shape recognition processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53158776A JPS5816500B2 (en) 1978-12-19 1978-12-19 Shape recognition processing method

Publications (2)

Publication Number Publication Date
JPS5583972A true JPS5583972A (en) 1980-06-24
JPS5816500B2 JPS5816500B2 (en) 1983-03-31

Family

ID=15679080

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53158776A Expired JPS5816500B2 (en) 1978-12-19 1978-12-19 Shape recognition processing method

Country Status (1)

Country Link
JP (1) JPS5816500B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852782A (en) * 1981-09-25 1983-03-29 Nec Corp Separating and extracting device for segment
JPS60247104A (en) * 1984-05-23 1985-12-06 Sumitomo Metal Ind Ltd Method for determining position of tangent line on image

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852782A (en) * 1981-09-25 1983-03-29 Nec Corp Separating and extracting device for segment
JPH0321947B2 (en) * 1981-09-25 1991-03-25 Nippon Electric Co
JPS60247104A (en) * 1984-05-23 1985-12-06 Sumitomo Metal Ind Ltd Method for determining position of tangent line on image

Also Published As

Publication number Publication date
JPS5816500B2 (en) 1983-03-31

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