JPS58139282A - 画像位置検出方式 - Google Patents

画像位置検出方式

Info

Publication number
JPS58139282A
JPS58139282A JP57019666A JP1966682A JPS58139282A JP S58139282 A JPS58139282 A JP S58139282A JP 57019666 A JP57019666 A JP 57019666A JP 1966682 A JP1966682 A JP 1966682A JP S58139282 A JPS58139282 A JP S58139282A
Authority
JP
Japan
Prior art keywords
threshold value
circuit
pixel
pixels
video signal
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
JP57019666A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0113149B2 (cs
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 JP57019666A priority Critical patent/JPS58139282A/ja
Publication of JPS58139282A publication Critical patent/JPS58139282A/ja
Publication of JPH0113149B2 publication Critical patent/JPH0113149B2/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
    • G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Input (AREA)
  • Image Analysis (AREA)
JP57019666A 1982-02-12 1982-02-12 画像位置検出方式 Granted JPS58139282A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57019666A JPS58139282A (ja) 1982-02-12 1982-02-12 画像位置検出方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57019666A JPS58139282A (ja) 1982-02-12 1982-02-12 画像位置検出方式

Publications (2)

Publication Number Publication Date
JPS58139282A true JPS58139282A (ja) 1983-08-18
JPH0113149B2 JPH0113149B2 (cs) 1989-03-03

Family

ID=12005558

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57019666A Granted JPS58139282A (ja) 1982-02-12 1982-02-12 画像位置検出方式

Country Status (1)

Country Link
JP (1) JPS58139282A (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274472A (en) * 1992-05-21 1993-12-28 Xerox Corporation High addressability image generator using pseudo interpolation of video and screen data
WO2002045023A1 (en) * 2000-11-29 2002-06-06 Nikon Corporation Image processing method, image processing device, detection method, detection device, exposure method and exposure system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274472A (en) * 1992-05-21 1993-12-28 Xerox Corporation High addressability image generator using pseudo interpolation of video and screen data
WO2002045023A1 (en) * 2000-11-29 2002-06-06 Nikon Corporation Image processing method, image processing device, detection method, detection device, exposure method and exposure system

Also Published As

Publication number Publication date
JPH0113149B2 (cs) 1989-03-03

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