JPS5984522A - 画像信号２値化閾値設定方式 - Google Patents

画像信号２値化閾値設定方式

Info

Publication number
JPS5984522A
JPS5984522A JP57194773A JP19477382A JPS5984522A JP S5984522 A JPS5984522 A JP S5984522A JP 57194773 A JP57194773 A JP 57194773A JP 19477382 A JP19477382 A JP 19477382A JP S5984522 A JPS5984522 A JP S5984522A
Authority
JP
Japan
Prior art keywords
value
sampling
image signal
mask
alignment mark
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
JP57194773A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6327749B2 (OSRAM
Inventor
Tetsuzo Tanimoto
谷本　哲三
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 JP57194773A priority Critical patent/JPS5984522A/ja
Publication of JPS5984522A publication Critical patent/JPS5984522A/ja
Publication of JPS6327749B2 publication Critical patent/JPS6327749B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H10P95/00—

Landscapes

  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Image Analysis (AREA)
  • Image Input (AREA)
  • Image Processing (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Control Of Position Or Direction (AREA)
JP57194773A 1982-11-08 1982-11-08 画像信号２値化閾値設定方式 Granted JPS5984522A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57194773A JPS5984522A (ja) 1982-11-08 1982-11-08 画像信号２値化閾値設定方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57194773A JPS5984522A (ja) 1982-11-08 1982-11-08 画像信号２値化閾値設定方式

Publications (2)

Publication Number Publication Date
JPS5984522A true JPS5984522A (ja) 1984-05-16
JPS6327749B2 JPS6327749B2 (OSRAM) 1988-06-06

Family

ID=16330000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57194773A Granted JPS5984522A (ja) 1982-11-08 1982-11-08 画像信号２値化閾値設定方式

Country Status (1)

Country Link
JP (1) JPS5984522A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6224133A (ja) * 1985-07-24 1987-02-02 Toshiba Corp 樹脂封止型半導体装置の外観検査方法
US5302814A (en) * 1990-06-18 1994-04-12 Fujitsu Limited Bar code reading apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6224133A (ja) * 1985-07-24 1987-02-02 Toshiba Corp 樹脂封止型半導体装置の外観検査方法
US5302814A (en) * 1990-06-18 1994-04-12 Fujitsu Limited Bar code reading apparatus

Also Published As

Publication number Publication date
JPS6327749B2 (OSRAM) 1988-06-06

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