JPH0423304B2 - - Google Patents

Info

Publication number
JPH0423304B2
JPH0423304B2 JP56212502A JP21250281A JPH0423304B2 JP H0423304 B2 JPH0423304 B2 JP H0423304B2 JP 56212502 A JP56212502 A JP 56212502A JP 21250281 A JP21250281 A JP 21250281A JP H0423304 B2 JPH0423304 B2 JP H0423304B2
Authority
JP
Japan
Prior art keywords
signal
pixel
pattern
circuit
interest
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.)
Expired - Lifetime
Application number
JP56212502A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58115583A (ja
Inventor
Toshimitsu Hamada
Kazushi Yoshimura
Tomohiro Kuni
Hiroshi Makihira
Nobuhiko Aoki
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
Original Assignee
Hitachi 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 filed Critical Hitachi Ltd
Priority to JP56212502A priority Critical patent/JPS58115583A/ja
Publication of JPS58115583A publication Critical patent/JPS58115583A/ja
Publication of JPH0423304B2 publication Critical patent/JPH0423304B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/30—Noise filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
  • Image Processing (AREA)
  • Closed-Circuit Television Systems (AREA)
JP56212502A 1981-12-29 1981-12-29 映像パタ−ン読取り方式 Granted JPS58115583A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56212502A JPS58115583A (ja) 1981-12-29 1981-12-29 映像パタ−ン読取り方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56212502A JPS58115583A (ja) 1981-12-29 1981-12-29 映像パタ−ン読取り方式

Publications (2)

Publication Number Publication Date
JPS58115583A JPS58115583A (ja) 1983-07-09
JPH0423304B2 true JPH0423304B2 (en]) 1992-04-21

Family

ID=16623721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56212502A Granted JPS58115583A (ja) 1981-12-29 1981-12-29 映像パタ−ン読取り方式

Country Status (1)

Country Link
JP (1) JPS58115583A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0469777A (ja) * 1990-07-10 1992-03-04 Dainippon Screen Mfg Co Ltd プリント基板のパターン検査装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5374832A (en) * 1976-12-15 1978-07-03 Nec Corp Processor for static picture signal
JPS5411645A (en) * 1977-06-27 1979-01-27 Nec Corp Picture input unit

Also Published As

Publication number Publication date
JPS58115583A (ja) 1983-07-09

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