JPH0115910B2 - - Google Patents

Info

Publication number
JPH0115910B2
JPH0115910B2 JP55187258A JP18725880A JPH0115910B2 JP H0115910 B2 JPH0115910 B2 JP H0115910B2 JP 55187258 A JP55187258 A JP 55187258A JP 18725880 A JP18725880 A JP 18725880A JP H0115910 B2 JPH0115910 B2 JP H0115910B2
Authority
JP
Japan
Prior art keywords
chip
pattern
pad pattern
detection window
pad
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
Application number
JP55187258A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57111781A (en
Inventor
Masahito Nakajima
Tetsuo Hizuka
Jushi Inagaki
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP55187258A priority Critical patent/JPS57111781A/ja
Priority to EP81302575A priority patent/EP0041870B1/en
Priority to US06/272,368 priority patent/US4450579A/en
Priority to DE8181302575T priority patent/DE3175773D1/de
Publication of JPS57111781A publication Critical patent/JPS57111781A/ja
Publication of JPH0115910B2 publication Critical patent/JPH0115910B2/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
    • G06V10/24—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 Input (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
JP55187258A 1980-06-10 1980-12-29 Pattern location detecting method Granted JPS57111781A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP55187258A JPS57111781A (en) 1980-12-29 1980-12-29 Pattern location detecting method
EP81302575A EP0041870B1 (en) 1980-06-10 1981-06-10 Pattern position recognition apparatus
US06/272,368 US4450579A (en) 1980-06-10 1981-06-10 Recognition method and apparatus
DE8181302575T DE3175773D1 (en) 1980-06-10 1981-06-10 Pattern position recognition apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55187258A JPS57111781A (en) 1980-12-29 1980-12-29 Pattern location detecting method

Publications (2)

Publication Number Publication Date
JPS57111781A JPS57111781A (en) 1982-07-12
JPH0115910B2 true JPH0115910B2 (enrdf_load_stackoverflow) 1989-03-22

Family

ID=16202819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55187258A Granted JPS57111781A (en) 1980-06-10 1980-12-29 Pattern location detecting method

Country Status (1)

Country Link
JP (1) JPS57111781A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59139486A (ja) * 1983-01-28 1984-08-10 Nippon Telegr & Teleph Corp <Ntt> 図形読取装置
JPS615385A (ja) * 1984-06-18 1986-01-11 Omron Tateisi Electronics Co 二次元視覚認識装置
JPS615384A (ja) * 1984-06-18 1986-01-11 Omron Tateisi Electronics Co 二次元視覚認識装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5125936A (enrdf_load_stackoverflow) * 1974-08-28 1976-03-03 Oki Electric Ind Co Ltd
JPS55119782A (en) * 1979-03-09 1980-09-13 Daihen Corp Pattern automatic inspection method

Also Published As

Publication number Publication date
JPS57111781A (en) 1982-07-12

Similar Documents

Publication Publication Date Title
JPH07234915A (ja) 画像認識装置
JPH0115910B2 (enrdf_load_stackoverflow)
JPH05281154A (ja) パターン欠陥検査装置
JP3460356B2 (ja) 円ないし楕円の検出方法およびその装置
JP2897747B2 (ja) Ｉｃパッケージ位置検出方法
JP3049488B2 (ja) パターン検査方法及びパターン検査装置
JP2002133424A (ja) 文書の傾き角度及び境界の検出方法
JPH07220081A (ja) 画像認識装置の図形の切出し方法
JPH0713997B2 (ja) ウエハの要位置合せ角検出装置
JPH07324916A (ja) パターン外形検査装置
JP3158351B2 (ja) 微小ワーク片の位置検出方法
JPH0241072B2 (enrdf_load_stackoverflow)
JPH026107B2 (enrdf_load_stackoverflow)
JP3480641B2 (ja) パターンの検査方法
JPH0224322B2 (enrdf_load_stackoverflow)
JP3235392B2 (ja) 対象パターンの回転角検出方法
JP3111432B2 (ja) 画像処理装置
JP3348938B2 (ja) 位置認識装置
JPS58170027A (ja) 認識装置
JPH0143351B2 (enrdf_load_stackoverflow)
JPH0410074A (ja) 画像パターン傾き検出方法
JPH05266250A (ja) 文字列検出装置
JP2929710B2 (ja) 文字読み取り方法
JPH07104137B2 (ja) 対象パタ−ンの回転角検出方法
JPS6360432B2 (enrdf_load_stackoverflow)