JPS5876707A - ナイフマ−ク検出装置のナイフマ−ク検出回路 - Google Patents

ナイフマ−ク検出装置のナイフマ−ク検出回路

Info

Publication number
JPS5876707A
JPS5876707A JP17536981A JP17536981A JPS5876707A JP S5876707 A JPS5876707 A JP S5876707A JP 17536981 A JP17536981 A JP 17536981A JP 17536981 A JP17536981 A JP 17536981A JP S5876707 A JPS5876707 A JP S5876707A
Authority
JP
Japan
Prior art keywords
output
pass filter
divider
knife mark
threshold level
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
JP17536981A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0132922B2 (enrdf_load_stackoverflow
Inventor
Yutaka Abe
豊 阿部
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP17536981A priority Critical patent/JPS5876707A/ja
Publication of JPS5876707A publication Critical patent/JPS5876707A/ja
Publication of JPH0132922B2 publication Critical patent/JPH0132922B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacture Of Wood Veneers (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP17536981A 1981-10-31 1981-10-31 ナイフマ−ク検出装置のナイフマ−ク検出回路 Granted JPS5876707A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17536981A JPS5876707A (ja) 1981-10-31 1981-10-31 ナイフマ−ク検出装置のナイフマ−ク検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17536981A JPS5876707A (ja) 1981-10-31 1981-10-31 ナイフマ−ク検出装置のナイフマ−ク検出回路

Publications (2)

Publication Number Publication Date
JPS5876707A true JPS5876707A (ja) 1983-05-09
JPH0132922B2 JPH0132922B2 (enrdf_load_stackoverflow) 1989-07-11

Family

ID=15994883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17536981A Granted JPS5876707A (ja) 1981-10-31 1981-10-31 ナイフマ−ク検出装置のナイフマ−ク検出回路

Country Status (1)

Country Link
JP (1) JPS5876707A (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949687A (enrdf_load_stackoverflow) * 1972-09-13 1974-05-14
JPS50104655U (enrdf_load_stackoverflow) * 1974-01-31 1975-08-28
JPS51148452A (en) * 1975-06-14 1976-12-20 Fujitsu Ltd Pattern defects detector
JPS55158505A (en) * 1979-05-28 1980-12-10 Matsushita Electric Works Ltd Knifed mark inspector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949687A (enrdf_load_stackoverflow) * 1972-09-13 1974-05-14
JPS50104655U (enrdf_load_stackoverflow) * 1974-01-31 1975-08-28
JPS51148452A (en) * 1975-06-14 1976-12-20 Fujitsu Ltd Pattern defects detector
JPS55158505A (en) * 1979-05-28 1980-12-10 Matsushita Electric Works Ltd Knifed mark inspector

Also Published As

Publication number Publication date
JPH0132922B2 (enrdf_load_stackoverflow) 1989-07-11

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