SE511997C2 - Reference pictures transmission method for multimedia - Google Patents

Reference pictures transmission method for multimedia

Info

Publication number
SE511997C2
SE511997C2 SE9602776A SE9602776A SE511997C2 SE 511997 C2 SE511997 C2 SE 511997C2 SE 9602776 A SE9602776 A SE 9602776A SE 9602776 A SE9602776 A SE 9602776A SE 511997 C2 SE511997 C2 SE 511997C2
Authority
SE
Sweden
Prior art keywords
reference picture
multimedia
stored
command
reference pictures
Prior art date
Application number
SE9602776A
Other languages
Swedish (sv)
Other versions
SE9602776D0 (en
SE9602776L (en
Inventor
Stellan Emilsson
Original Assignee
Telia Ab
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 Telia Ab filed Critical Telia Ab
Priority to SE9602776A priority Critical patent/SE511997C2/en
Publication of SE9602776D0 publication Critical patent/SE9602776D0/en
Publication of SE9602776L publication Critical patent/SE9602776L/en
Publication of SE511997C2 publication Critical patent/SE511997C2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • 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
    • H04N1/00095—Systems or arrangements for the transmission of the picture signal
    • H04N1/00098—Systems or arrangements for the transmission of the picture signal via a television channel, e.g. for a series of still pictures with or without sound
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • H04N7/26031—
    • H04N7/64—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/29—Flow control; Congestion control using a combination of thresholds

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

The method involves monitoring the quality in a multimedia connection and transmitting a stored reference picture when the quality drops below a predetermined value. The reference picture is stored on a command from a user of the transmitter and is transmitted on a command from the user at a freely selected time point. The reference picture is stored in an external data base. The multimedia communication uses differential picture coding and the reference pictures are produced by a video coder. A communication unit contains or is connectable to a data base arrangement for storing a reference picture. A transmitter transmits the reference picture to a receiving communication unit via a multimedia connection and a control unit controls the transmission of the reference picture.
SE9602776A 1996-07-15 1996-07-15 Reference pictures transmission method for multimedia SE511997C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9602776A SE511997C2 (en) 1996-07-15 1996-07-15 Reference pictures transmission method for multimedia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9602776A SE511997C2 (en) 1996-07-15 1996-07-15 Reference pictures transmission method for multimedia

Publications (3)

Publication Number Publication Date
SE9602776D0 SE9602776D0 (en) 1996-07-15
SE9602776L SE9602776L (en) 1998-01-16
SE511997C2 true SE511997C2 (en) 2000-01-10

Family

ID=20403394

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9602776A SE511997C2 (en) 1996-07-15 1996-07-15 Reference pictures transmission method for multimedia

Country Status (1)

Country Link
SE (1) SE511997C2 (en)

Also Published As

Publication number Publication date
SE9602776D0 (en) 1996-07-15
SE9602776L (en) 1998-01-16

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Legal Events

Date Code Title Description
NUG Patent has lapsed