JPH0126591B2 - - Google Patents

Info

Publication number
JPH0126591B2
JPH0126591B2 JP58182134A JP18213483A JPH0126591B2 JP H0126591 B2 JPH0126591 B2 JP H0126591B2 JP 58182134 A JP58182134 A JP 58182134A JP 18213483 A JP18213483 A JP 18213483A JP H0126591 B2 JPH0126591 B2 JP H0126591B2
Authority
JP
Japan
Prior art keywords
pixel
luminance signal
value
brightness
read
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
JP58182134A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6074772A (ja
Inventor
Yoshihiro Uno
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP58182134A priority Critical patent/JPS6074772A/ja
Publication of JPS6074772A publication Critical patent/JPS6074772A/ja
Publication of JPH0126591B2 publication Critical patent/JPH0126591B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Facsimile Image Signal Circuits (AREA)
JP58182134A 1983-09-29 1983-09-29 多値画像情報の量子化方法 Granted JPS6074772A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58182134A JPS6074772A (ja) 1983-09-29 1983-09-29 多値画像情報の量子化方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58182134A JPS6074772A (ja) 1983-09-29 1983-09-29 多値画像情報の量子化方法

Publications (2)

Publication Number Publication Date
JPS6074772A JPS6074772A (ja) 1985-04-27
JPH0126591B2 true JPH0126591B2 (de) 1989-05-24

Family

ID=16112926

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58182134A Granted JPS6074772A (ja) 1983-09-29 1983-09-29 多値画像情報の量子化方法

Country Status (1)

Country Link
JP (1) JPS6074772A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06103922B2 (ja) * 1987-07-24 1994-12-14 松下電器産業株式会社 画像信号処理装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5230319A (en) * 1975-09-04 1977-03-08 Nippon Hoso Kyokai <Nhk> Compensation circuit of digital type gamma
JPS5387621A (en) * 1977-01-12 1978-08-02 Matsushita Electric Ind Co Ltd Outline emphasizing circuit
JPS54116120A (en) * 1978-03-02 1979-09-10 Toshiba Corp Quantizing method of video signal and its unit
JPS54128214A (en) * 1978-03-29 1979-10-04 Ricoh Co Ltd Sampling quantizing device for picture
JPS54144139A (en) * 1978-05-01 1979-11-10 Ricoh Co Ltd Processing system for intermediate tone
JPS561667A (en) * 1979-06-19 1981-01-09 Ricoh Co Ltd Gamma correcting system for picture input/output device
JPS57125579A (en) * 1981-01-29 1982-08-04 Ricoh Co Ltd Processing method for intermediate tone picture
JPS5896459A (ja) * 1981-12-04 1983-06-08 Matsushita Electric Ind Co Ltd 画像輝度信号の量子化方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5230319A (en) * 1975-09-04 1977-03-08 Nippon Hoso Kyokai <Nhk> Compensation circuit of digital type gamma
JPS5387621A (en) * 1977-01-12 1978-08-02 Matsushita Electric Ind Co Ltd Outline emphasizing circuit
JPS54116120A (en) * 1978-03-02 1979-09-10 Toshiba Corp Quantizing method of video signal and its unit
JPS54128214A (en) * 1978-03-29 1979-10-04 Ricoh Co Ltd Sampling quantizing device for picture
JPS54144139A (en) * 1978-05-01 1979-11-10 Ricoh Co Ltd Processing system for intermediate tone
JPS561667A (en) * 1979-06-19 1981-01-09 Ricoh Co Ltd Gamma correcting system for picture input/output device
JPS57125579A (en) * 1981-01-29 1982-08-04 Ricoh Co Ltd Processing method for intermediate tone picture
JPS5896459A (ja) * 1981-12-04 1983-06-08 Matsushita Electric Ind Co Ltd 画像輝度信号の量子化方法

Also Published As

Publication number Publication date
JPS6074772A (ja) 1985-04-27

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