JPS57169877A - Recognizing method for linear pattern - Google Patents

Recognizing method for linear pattern

Info

Publication number
JPS57169877A
JPS57169877A JP56054411A JP5441181A JPS57169877A JP S57169877 A JPS57169877 A JP S57169877A JP 56054411 A JP56054411 A JP 56054411A JP 5441181 A JP5441181 A JP 5441181A JP S57169877 A JPS57169877 A JP S57169877A
Authority
JP
Japan
Prior art keywords
area
command
directional
grating
scanning
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
JP56054411A
Other languages
Japanese (ja)
Inventor
Shigeru Shimada
Shigeru Kakumoto
Iwao Asakawa
Akira Busujima
Teruhiro Watazumi
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.)
Hitachi Ltd
Via Mechanics Ltd
Original Assignee
Hitachi Ltd
Hitachi Seiko 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 Hitachi Ltd, Hitachi Seiko Ltd filed Critical Hitachi Ltd
Priority to JP56054411A priority Critical patent/JPS57169877A/en
Publication of JPS57169877A publication Critical patent/JPS57169877A/en
Pending 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
    • G06V10/20—Image preprocessing
    • G06V10/24—Aligning, centring, orientation detection or correction of the image

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)

Abstract

PURPOSE:To recognize a linear pattern accurately by scanning the specified area in a drawing in advance and estimating position coordinates of each grating point in the drawing, and setting an area to be recognized on the basis of the estimated result. CONSTITUTION:When a drawing 1 is equipped around a drum 2, a microprocessor 22 operates to send a command to a command status register 19 through a selector 20, and under the command, an X-directional motor 11 and an Y-directional motor 3 are driven through a control circuit 16, and an x-directional driving circuit 17 and an y-directional driving circuit 18, thereby setting an input head 7 at each position in a scanning area. When an image in the scanning area is inputted, the microprocessor 22 recognizes the grating point by using the information and, on the basis of the information on the grating point position, estimates positions of grating points in the whole area.
JP56054411A 1981-04-13 1981-04-13 Recognizing method for linear pattern Pending JPS57169877A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56054411A JPS57169877A (en) 1981-04-13 1981-04-13 Recognizing method for linear pattern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56054411A JPS57169877A (en) 1981-04-13 1981-04-13 Recognizing method for linear pattern

Publications (1)

Publication Number Publication Date
JPS57169877A true JPS57169877A (en) 1982-10-19

Family

ID=12969951

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56054411A Pending JPS57169877A (en) 1981-04-13 1981-04-13 Recognizing method for linear pattern

Country Status (1)

Country Link
JP (1) JPS57169877A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5934570A (en) * 1996-11-26 1999-08-10 Lucas Industries Injector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5934570A (en) * 1996-11-26 1999-08-10 Lucas Industries Injector

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