JPS55109088A - Color picture coding process system - Google Patents

Color picture coding process system

Info

Publication number
JPS55109088A
JPS55109088A JP1707579A JP1707579A JPS55109088A JP S55109088 A JPS55109088 A JP S55109088A JP 1707579 A JP1707579 A JP 1707579A JP 1707579 A JP1707579 A JP 1707579A JP S55109088 A JPS55109088 A JP S55109088A
Authority
JP
Japan
Prior art keywords
component
color
coding
resolution
color picture
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
JP1707579A
Other languages
Japanese (ja)
Other versions
JPS5947914B2 (en
Inventor
Katsumi Mori
Eiji Mitsuya
Shinichi Murakami
Tomio Kishimoto
Naohiko Kamae
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP54017075A priority Critical patent/JPS5947914B2/en
Priority to US06/116,713 priority patent/US4319267A/en
Priority to CA000344783A priority patent/CA1146473A/en
Priority to GB8004235A priority patent/GB2042852B/en
Priority to DE3005775A priority patent/DE3005775C2/en
Priority to FR8003358A priority patent/FR2449383A1/en
Publication of JPS55109088A publication Critical patent/JPS55109088A/en
Publication of JPS5947914B2 publication Critical patent/JPS5947914B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To reduce the code quantity by separating the color picture into plural number of color planes, carrying out the coding of resolution only for the color plane that features the highest space frequency and then sharing the distribution of the coded signal with other planes.
CONSTITUTION: Color picture 11 is scanned through input part 12 and then separated into each color component Y, I and Q at YIQ color separation part 13. And each component is stored with every block into buffer memories 15-1∼15-3 after conversion at A/D conversion parts 14-1∼14-3. Then component Y featuring the highest space frequency is coded at coding part 17-1 to obtain both the gradation component and the resolution component. Control part 16 gives the control to coding parts 17-2∼17-3 via the resolution component, and the gradation component is obtained for the corresponding color component. Thus the coded information is stored at code storage filing part 18.
COPYRIGHT: (C)1980,JPO&Japio
JP54017075A 1979-02-16 1979-02-16 Color image encoding processing method Expired JPS5947914B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP54017075A JPS5947914B2 (en) 1979-02-16 1979-02-16 Color image encoding processing method
US06/116,713 US4319267A (en) 1979-02-16 1980-01-30 Picture coding and/or decoding equipment
CA000344783A CA1146473A (en) 1979-02-16 1980-01-31 Picture coding and/or decoding equipment
GB8004235A GB2042852B (en) 1979-02-16 1980-02-08 Picture coding and/or decoding equipment
DE3005775A DE3005775C2 (en) 1979-02-16 1980-02-15 Coding method for a color image
FR8003358A FR2449383A1 (en) 1979-02-16 1980-02-15 EQUIPMENT FOR CODING AND / OR DECODING COLOR STILL IMAGES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54017075A JPS5947914B2 (en) 1979-02-16 1979-02-16 Color image encoding processing method

Publications (2)

Publication Number Publication Date
JPS55109088A true JPS55109088A (en) 1980-08-21
JPS5947914B2 JPS5947914B2 (en) 1984-11-22

Family

ID=11933852

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54017075A Expired JPS5947914B2 (en) 1979-02-16 1979-02-16 Color image encoding processing method

Country Status (1)

Country Link
JP (1) JPS5947914B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62290286A (en) * 1986-06-10 1987-12-17 Konica Corp Data compressing method for picture signal
US6915014B1 (en) * 1990-07-31 2005-07-05 Canon Kabushiki Kaisha Image processing apparatus and method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0441527Y2 (en) * 1985-04-16 1992-09-30

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62290286A (en) * 1986-06-10 1987-12-17 Konica Corp Data compressing method for picture signal
US6915014B1 (en) * 1990-07-31 2005-07-05 Canon Kabushiki Kaisha Image processing apparatus and method

Also Published As

Publication number Publication date
JPS5947914B2 (en) 1984-11-22

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