JPS5925478A - 多値画像符号化方式 - Google Patents

多値画像符号化方式

Info

Publication number: JPS5925478A
Authority: JP; Japan
Prior art keywords: pixel; change; pixels; brightness; encoding
Prior art date: 1982-08-04
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

JP57135082A

Other languages

English (en)

Japanese (ja)

Other versions

JPH0125473B2 (fr

Inventor

Hiroshi Inose

猪瀬　博

Tadao Saito

斉藤　忠夫

Kazuhisa Yanaka

一寿谷中

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.)

University of Tokyo NUC

Original Assignee

University of Tokyo NUC

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.)

1982-08-04

Filing date

1982-08-04

Publication date

1984-02-09

1982-08-04 Application filed by University of Tokyo NUC filed Critical University of Tokyo NUC

1982-08-04 Priority to JP57135082A priority Critical patent/JPS5925478A/ja

1984-02-09 Publication of JPS5925478A publication Critical patent/JPS5925478A/ja

1989-05-17 Publication of JPH0125473B2 publication Critical patent/JPH0125473B2/ja

Status Granted legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims description 38
239000011159 matrix material Substances 0.000 claims description 6
235000019557 luminance Nutrition 0.000 description 19
238000000605 extraction Methods 0.000 description 9
238000010586 diagram Methods 0.000 description 7
238000006467 substitution reaction Methods 0.000 description 7
238000013144 data compression Methods 0.000 description 3
230000000694 effects Effects 0.000 description 2
206010011469 Crying Diseases 0.000 description 1
238000003491 array Methods 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
238000007906 compression Methods 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
230000007717 exclusion Effects 0.000 description 1
238000013139 quantization Methods 0.000 description 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/41—Bandwidth or redundancy reduction

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Storing Facsimile Image Data (AREA)

JP57135082A 1982-08-04 1982-08-04 多値画像符号化方式 Granted JPS5925478A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP57135082A JPS5925478A (ja)	1982-08-04	1982-08-04	多値画像符号化方式

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP57135082A JPS5925478A (ja)	1982-08-04	1982-08-04	多値画像符号化方式

Publications (2)

Publication Number	Publication Date
JPS5925478A true JPS5925478A (ja)	1984-02-09
JPH0125473B2 JPH0125473B2 (fr)	1989-05-17

Family

ID=15143410

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP57135082A Granted JPS5925478A (ja)	1982-08-04	1982-08-04	多値画像符号化方式

Country Status (1)

Country	Link
JP (1)	JPS5925478A (fr)

1982
- 1982-08-04 JP JP57135082A patent/JPS5925478A/ja active Granted

Also Published As

Publication number	Publication date
JPH0125473B2 (fr)	1989-05-17

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