JPS57166675A - Method and apparatus for defect detection - Google Patents

Method and apparatus for defect detection

Info

Publication number
JPS57166675A
JPS57166675A JP56052231A JP5223181A JPS57166675A JP S57166675 A JPS57166675 A JP S57166675A JP 56052231 A JP56052231 A JP 56052231A JP 5223181 A JP5223181 A JP 5223181A JP S57166675 A JPS57166675 A JP S57166675A
Authority
JP
Japan
Prior art keywords
circuit
signal
level
extracted
tone conversion
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
JP56052231A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6349270B2 (enrdf_load_stackoverflow
Inventor
Sadaaki Yokoi
Keiji Yamazaki
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP56052231A priority Critical patent/JPS57166675A/ja
Publication of JPS57166675A publication Critical patent/JPS57166675A/ja
Publication of JPS6349270B2 publication Critical patent/JPS6349270B2/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
    • G06V10/10—Image acquisition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Collating Specific Patterns (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
JP56052231A 1981-04-07 1981-04-07 Method and apparatus for defect detection Granted JPS57166675A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56052231A JPS57166675A (en) 1981-04-07 1981-04-07 Method and apparatus for defect detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56052231A JPS57166675A (en) 1981-04-07 1981-04-07 Method and apparatus for defect detection

Publications (2)

Publication Number Publication Date
JPS57166675A true JPS57166675A (en) 1982-10-14
JPS6349270B2 JPS6349270B2 (enrdf_load_stackoverflow) 1988-10-04

Family

ID=12908955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56052231A Granted JPS57166675A (en) 1981-04-07 1981-04-07 Method and apparatus for defect detection

Country Status (1)

Country Link
JP (1) JPS57166675A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6349270B2 (enrdf_load_stackoverflow) 1988-10-04

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