JPH0210461B2 - - Google Patents

Info

Publication number
JPH0210461B2
JPH0210461B2 JP57016433A JP1643382A JPH0210461B2 JP H0210461 B2 JPH0210461 B2 JP H0210461B2 JP 57016433 A JP57016433 A JP 57016433A JP 1643382 A JP1643382 A JP 1643382A JP H0210461 B2 JPH0210461 B2 JP H0210461B2
Authority
JP
Japan
Prior art keywords
pattern
correlation
determination
primary
window area
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
JP57016433A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58134372A (ja
Inventor
Michiaki Myagawa
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP57016433A priority Critical patent/JPS58134372A/ja
Priority to DE3303841A priority patent/DE3303841C2/de
Publication of JPS58134372A publication Critical patent/JPS58134372A/ja
Publication of JPH0210461B2 publication Critical patent/JPH0210461B2/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
    • G06V10/40—Extraction of image or video features
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/50—Extraction of image or video features by performing operations within image blocks; by using histograms, e.g. histogram of oriented gradients [HoG]; by summing image-intensity values; Projection analysis
    • G06V10/507—Summing image-intensity values; Histogram projection analysis
    • 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
    • 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
    • G06V10/36—Applying a local operator, i.e. means to operate on image points situated in the vicinity of a given point; Non-linear local filtering operations, e.g. median filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP57016433A 1982-02-05 1982-02-05 パタ−ン検査装置 Granted JPS58134372A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57016433A JPS58134372A (ja) 1982-02-05 1982-02-05 パタ−ン検査装置
DE3303841A DE3303841C2 (de) 1982-02-05 1983-02-04 Musterprüfeinrichtung und Verfahren zum Prüfen eines Musters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57016433A JPS58134372A (ja) 1982-02-05 1982-02-05 パタ−ン検査装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP62123916A Division JPS63674A (ja) 1987-05-22 1987-05-22 パタ−ン検査方法

Publications (2)

Publication Number Publication Date
JPS58134372A JPS58134372A (ja) 1983-08-10
JPH0210461B2 true JPH0210461B2 (enrdf_load_stackoverflow) 1990-03-08

Family

ID=11916093

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57016433A Granted JPS58134372A (ja) 1982-02-05 1982-02-05 パタ−ン検査装置

Country Status (2)

Country Link
JP (1) JPS58134372A (enrdf_load_stackoverflow)
DE (1) DE3303841C2 (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4545070A (en) * 1982-04-30 1985-10-01 Fuji Electric Company, Ltd. Pattern discriminator
JPS60104205A (ja) * 1983-11-10 1985-06-08 Nippon Denso Co Ltd 噴射体の形状測定方法及びその装置
US4589141A (en) * 1984-03-12 1986-05-13 Texas Instruments Incorporated Apparatus for automatically inspecting printed labels
JPS6215537A (ja) * 1985-07-15 1987-01-23 Fuji Photo Film Co Ltd 放射線画像情報の読取条件決定方法
JPS61120047A (ja) * 1984-11-16 1986-06-07 Mitsubishi Electric Corp 物品検査装置
JPH0614362B2 (ja) * 1986-08-11 1994-02-23 三菱電機株式会社 パタ−ン認識装置
JPH0666855B2 (ja) * 1986-10-15 1994-08-24 富士写真フイルム株式会社 照射野検出装置
CA1318977C (en) * 1987-07-22 1993-06-08 Kazuhito Hori Image recognition system
JPH07104943B2 (ja) * 1988-02-29 1995-11-13 株式会社日立製作所 物体認識装置
EP2159781A1 (en) * 2008-08-28 2010-03-03 Continental Automotive GmbH Method and device for recognizing at least one symbol displayed as a dot matrix

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1774812A1 (de) * 1968-09-13 1971-10-21 Ibm Vergleichsschaltung zum Erkennen von Zeichen
JPS5241016A (en) * 1975-09-29 1977-03-30 Oki Electric Ind Co Ltd Printer
JPS6015995B2 (ja) * 1976-02-13 1985-04-23 株式会社日立製作所 特定パタ−ンの認識方法
JPS553086A (en) * 1978-06-23 1980-01-10 Fujitsu Ltd Character reading system
JPS5650475A (en) * 1979-09-28 1981-05-07 Sumitomo Electric Ind Ltd Optical character reader
DE3012958C2 (de) * 1980-04-02 1985-12-12 Sumitomo Electric Industries, Ltd., Osaka Verfahren zum Erkennen von auf einem Aufzeichnungsträger aufgebrachten Zeichen und Anordnung zum Erkennen derartiger Zeichen
JPS56153484A (en) * 1980-04-30 1981-11-27 Natl Aerospace Lab Preprocessing device for pattern recognition

Also Published As

Publication number Publication date
JPS58134372A (ja) 1983-08-10
DE3303841A1 (de) 1983-08-18
DE3303841C2 (de) 1994-01-13

Similar Documents

Publication Publication Date Title
US8139117B2 (en) Image quality analysis with test pattern
US6954550B2 (en) Image processing method and apparatus
KR100730051B1 (ko) 결함 검출장치 및 결함 검출방법
EP0493657B1 (en) Method and apparatus for identifying manufacturing defects in solid state devices
JPH0160767B2 (enrdf_load_stackoverflow)
JP4230880B2 (ja) 欠陥検査方法
JP3560473B2 (ja) プリント基板の検査装置およびプリント基板の検査方法
JPH0210461B2 (enrdf_load_stackoverflow)
US4496971A (en) Detection apparatus
JPH033269B2 (enrdf_load_stackoverflow)
JP2003203218A (ja) 外観検査装置および方法
JPH063541B2 (ja) パターン検査装置
JPH0682724B2 (ja) ウエハ欠陥検査装置
JP4474006B2 (ja) 検査装置
JP2019113477A (ja) 欠陥検査装置、及び欠陥検査方法
JP3189604B2 (ja) 検査方法および装置
JP2787851B2 (ja) パターン特徴抽出装置
JPH0453253B2 (enrdf_load_stackoverflow)
JPH0569536A (ja) 印刷物の検査装置における欠陥検出方法及び欠陥検出回路
JPH03194415A (ja) パターン検査装置及びパターン検査方法
JP2576768B2 (ja) プリント基板パターン検査装置
JP3674067B2 (ja) パターン外観検査装置
JP2677052B2 (ja) スルーホール検査装置
JP2000294139A (ja) 周期性パターンの欠陥検査方法及び装置
JPH01150987A (ja) 形状認識方法