JPS6074772A - 多値画像情報の量子化方法 - Google Patents

多値画像情報の量子化方法

Info

Publication number
JPS6074772A
JPS6074772A JP58182134A JP18213483A JPS6074772A JP S6074772 A JPS6074772 A JP S6074772A JP 58182134 A JP58182134 A JP 58182134A JP 18213483 A JP18213483 A JP 18213483A JP S6074772 A JPS6074772 A JP S6074772A
Authority
JP
Japan
Prior art keywords
pixel
value
luminance signal
read
brightness
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
JP58182134A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0126591B2 (2
Inventor
Yoshihiro Uno
宇野　喜博
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 true JPS6074772A (ja) 1985-04-27
JPH0126591B2 JPH0126591B2 (2) 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 (2)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6429168A (en) * 1987-07-24 1989-01-31 Matsushita Electric Industrial Co Ltd Video signal processor

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6429168A (en) * 1987-07-24 1989-01-31 Matsushita Electric Industrial Co Ltd Video signal processor

Also Published As

Publication number Publication date
JPH0126591B2 (2) 1989-05-24

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