JPS57105086A - Pattern stroke detecting system - Google Patents

Pattern stroke detecting system

Info

Publication number
JPS57105086A
JPS57105086A JP55182258A JP18225880A JPS57105086A JP S57105086 A JPS57105086 A JP S57105086A JP 55182258 A JP55182258 A JP 55182258A JP 18225880 A JP18225880 A JP 18225880A JP S57105086 A JPS57105086 A JP S57105086A
Authority
JP
Japan
Prior art keywords
stroke
circuit
existing region
detected
overlap
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
JP55182258A
Other languages
Japanese (ja)
Other versions
JPS635795B2 (en
Inventor
Osamu Kato
Hiromichi Iwase
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 JP55182258A priority Critical patent/JPS57105086A/en
Publication of JPS57105086A publication Critical patent/JPS57105086A/en
Publication of JPS635795B2 publication Critical patent/JPS635795B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Discrimination (AREA)
  • Processing Or Creating Images (AREA)

Abstract

PURPOSE:To detect a desired specific stroke in an extremely high speed, by using both the superposition information of a stroke to be detected and a check stroke and the cross information of both strikes in a hierarchical way. CONSTITUTION:An existing region reading circuit 2 reads successively existing regions a1-an which are stored in stroke storing devices M1-Mn and delivers them to an existing region overlap detecting circuit 3. A check stroke C crossing a specific stroke S1 to be detected is supplied to a 2-dimensional input surface 4. Thus an existing region (b) of the stroke C is calculated by an existing region arithmetic circuit 5 and transmitted to the circuit 3. The circuit 3 detects the overlap between the region (b) and the regions a1-an supplied from the circuit 2, and transmits an overlap existing region ai to a candidate stroke data reading circuit 6. The circuit 6 receives the data of strokes S1-Sn at a side and supplies the data of the candidate stroke to a cross detecting circuit 7. The circuit 7 discriminates the candidate stroke crossing in a 2-dimentional way from the specific stroke to be detected and delivers it.
JP55182258A 1980-12-23 1980-12-23 Pattern stroke detecting system Granted JPS57105086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55182258A JPS57105086A (en) 1980-12-23 1980-12-23 Pattern stroke detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55182258A JPS57105086A (en) 1980-12-23 1980-12-23 Pattern stroke detecting system

Publications (2)

Publication Number Publication Date
JPS57105086A true JPS57105086A (en) 1982-06-30
JPS635795B2 JPS635795B2 (en) 1988-02-05

Family

ID=16115101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55182258A Granted JPS57105086A (en) 1980-12-23 1980-12-23 Pattern stroke detecting system

Country Status (1)

Country Link
JP (1) JPS57105086A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS603791A (en) * 1983-06-21 1985-01-10 Sairatsuku:Kk Picking system
JPS6075980A (en) * 1983-10-03 1985-04-30 Hitachi Ltd On-line editing device for handwritten input pattern
JPS6364465A (en) * 1986-09-04 1988-03-22 Sanyo Electric Co Ltd Drawn picture communication equipment
JPS6364466A (en) * 1986-09-04 1988-03-22 Sanyo Electric Co Ltd Drawn picture communication equipment
JPS63249269A (en) * 1987-04-03 1988-10-17 Fujitsu Ltd Picking method for polygonal area in graphic processing

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS603791A (en) * 1983-06-21 1985-01-10 Sairatsuku:Kk Picking system
JPS6075980A (en) * 1983-10-03 1985-04-30 Hitachi Ltd On-line editing device for handwritten input pattern
JPH0584540B2 (en) * 1983-10-03 1993-12-02 Hitachi Ltd
JPS6364465A (en) * 1986-09-04 1988-03-22 Sanyo Electric Co Ltd Drawn picture communication equipment
JPS6364466A (en) * 1986-09-04 1988-03-22 Sanyo Electric Co Ltd Drawn picture communication equipment
JPS63249269A (en) * 1987-04-03 1988-10-17 Fujitsu Ltd Picking method for polygonal area in graphic processing

Also Published As

Publication number Publication date
JPS635795B2 (en) 1988-02-05

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