DE3381217D1 - Verbesserung von videobildern mittels selektivem zusatz von bildpunkten mit grauskala. - Google Patents

Verbesserung von videobildern mittels selektivem zusatz von bildpunkten mit grauskala.

Info

Publication number
DE3381217D1
DE3381217D1 DE8383107502T DE3381217T DE3381217D1 DE 3381217 D1 DE3381217 D1 DE 3381217D1 DE 8383107502 T DE8383107502 T DE 8383107502T DE 3381217 T DE3381217 T DE 3381217T DE 3381217 D1 DE3381217 D1 DE 3381217D1
Authority
DE
Germany
Prior art keywords
improvement
gray scale
video images
image points
selective addition
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 - Fee Related
Application number
DE8383107502T
Other languages
English (en)
Inventor
Dana Alfred Lasher
William Karl Stelzenmuller
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3381217D1 publication Critical patent/DE3381217D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H04N1/40—Picture signal circuits
    • H04N1/40081—Soft dot halftoning, i.e. producing halftone dots with gradual edges
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • G09G5/24—Generation of individual character patterns
    • G09G5/28—Generation of individual character patterns for enhancement of character form, e.g. smoothing
DE8383107502T 1982-09-30 1983-07-29 Verbesserung von videobildern mittels selektivem zusatz von bildpunkten mit grauskala. Expired - Fee Related DE3381217D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/429,382 US4486785A (en) 1982-09-30 1982-09-30 Enhancement of video images by selective introduction of gray-scale pels

Publications (1)

Publication Number Publication Date
DE3381217D1 true DE3381217D1 (de) 1990-03-15

Family

ID=23702992

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383107502T Expired - Fee Related DE3381217D1 (de) 1982-09-30 1983-07-29 Verbesserung von videobildern mittels selektivem zusatz von bildpunkten mit grauskala.

Country Status (4)

Country Link
US (1) US4486785A (de)
EP (1) EP0105116B1 (de)
JP (1) JPS5970365A (de)
DE (1) DE3381217D1 (de)

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Also Published As

Publication number Publication date
EP0105116B1 (de) 1990-02-07
JPH0133989B2 (de) 1989-07-17
EP0105116A2 (de) 1984-04-11
US4486785A (en) 1984-12-04
JPS5970365A (ja) 1984-04-20
EP0105116A3 (en) 1987-02-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee