JPS54111224A - Run length coding system of color pattern - Google Patents

Run length coding system of color pattern

Info

Publication number
JPS54111224A
JPS54111224A JP1830378A JP1830378A JPS54111224A JP S54111224 A JPS54111224 A JP S54111224A JP 1830378 A JP1830378 A JP 1830378A JP 1830378 A JP1830378 A JP 1830378A JP S54111224 A JPS54111224 A JP S54111224A
Authority
JP
Japan
Prior art keywords
color pattern
run length
boundary
colors
color
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.)
Pending
Application number
JP1830378A
Other languages
Japanese (ja)
Inventor
Takayuki Furumoto
Fumio Kishino
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
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
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 Hitachi Ltd, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Priority to JP1830378A priority Critical patent/JPS54111224A/en
Publication of JPS54111224A publication Critical patent/JPS54111224A/en
Pending legal-status Critical Current

Links

Landscapes

  • Image Processing (AREA)
  • Color Television Systems (AREA)

Abstract

PURPOSE: To enhance a coding efficiency without deteriorating an input pattern by describing a color pattern, where colors are limited, such as an animation with boundary colors and regarding parts, where boundary colors are detected at a run length coding time, as change points.
CONSTITUTION: Image pickup unit 11 which converts a color pattern dependent upon original picture a to video signals, AD converter 2 which converts these converted video signals to digital video signals, average color detector circuit 3 which generates the average color of the input color pattern from these video signals, and boundary color detector circuit 4 which detects boundary colors of the input color pattern are provided. Further, counter circuit 5 which counts the run length of the same color and register circuit 6 which outputs the input color pattern as a run length code from outputs of circuits 3 and 4 are provided to form a run length coding system. Then, the boundary of the input color pattern is described by boundary colors previously, and the run length coded output of the color pattern is outputted only when these boundary colors are detected.
COPYRIGHT: (C)1979,JPO&Japio
JP1830378A 1978-02-20 1978-02-20 Run length coding system of color pattern Pending JPS54111224A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1830378A JPS54111224A (en) 1978-02-20 1978-02-20 Run length coding system of color pattern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1830378A JPS54111224A (en) 1978-02-20 1978-02-20 Run length coding system of color pattern

Publications (1)

Publication Number Publication Date
JPS54111224A true JPS54111224A (en) 1979-08-31

Family

ID=11967836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1830378A Pending JPS54111224A (en) 1978-02-20 1978-02-20 Run length coding system of color pattern

Country Status (1)

Country Link
JP (1) JPS54111224A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5715570A (en) * 1980-07-01 1982-01-26 Mitsubishi Electric Corp Facsimile device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526413A (en) * 1975-07-07 1977-01-18 Nippon Telegr & Teleph Corp <Ntt> Colour picture recorder and reproducer
JPS538159A (en) * 1976-07-12 1978-01-25 Ricoh Co Ltd Color information selection method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526413A (en) * 1975-07-07 1977-01-18 Nippon Telegr & Teleph Corp <Ntt> Colour picture recorder and reproducer
JPS538159A (en) * 1976-07-12 1978-01-25 Ricoh Co Ltd Color information selection method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5715570A (en) * 1980-07-01 1982-01-26 Mitsubishi Electric Corp Facsimile device
JPS634383B2 (en) * 1980-07-01 1988-01-28 Mitsubishi Electric Corp

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