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WO2002049223A3 - Encoding and decoding of truncated scalable bitstreams - Google Patents

Encoding and decoding of truncated scalable bitstreams Download PDF

Info

Publication number
WO2002049223A3
WO2002049223A3 PCT/US2001/051122 US0151122W WO0249223A3 WO 2002049223 A3 WO2002049223 A3 WO 2002049223A3 US 0151122 W US0151122 W US 0151122W WO 0249223 A3 WO0249223 A3 WO 0249223A3
Authority
WO
WIPO (PCT)
Prior art keywords
decoding
bitstreams
encoding
truncated
code
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.)
Ceased
Application number
PCT/US2001/051122
Other languages
French (fr)
Other versions
WO2002049223A9 (en
WO2002049223A2 (en
Inventor
Weiping Li
Fan Ling
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.)
WebCast Technologies Inc
Original Assignee
WebCast Technologies Inc
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 WebCast Technologies Inc filed Critical WebCast Technologies Inc
Priority to AU2002243421A priority Critical patent/AU2002243421A1/en
Publication of WO2002049223A2 publication Critical patent/WO2002049223A2/en
Publication of WO2002049223A3 publication Critical patent/WO2002049223A3/en
Anticipated expiration legal-status Critical
Publication of WO2002049223A9 publication Critical patent/WO2002049223A9/en
Ceased legal-status Critical Current

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
    • H04N19/65—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience
    • H04N19/68—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience involving the insertion of resynchronisation markers into the bitstream
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

The disclosure has application, for use in conjunction with a video encoding/decoding technique wherein images are encoded into frame representative bitstreams that include start codes and variable length codes and at least some of the bit streams are truncted for streaming, ultimately, to a decoder for decoding. A disclosed method includes the following steps: Selecting an end code (505) having a value that is different than any start code and any variable length code of the bitstream; and appending the end code to the bitstreams (550).
PCT/US2001/051122 2000-11-10 2001-11-09 Encoding and decoding of truncated scalable bitstreams Ceased WO2002049223A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002243421A AU2002243421A1 (en) 2000-11-10 2001-11-09 Encoding and decoding of truncated scalable bitstreams

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24733400P 2000-11-10 2000-11-10
US60/247,334 2000-11-10

Publications (3)

Publication Number Publication Date
WO2002049223A2 WO2002049223A2 (en) 2002-06-20
WO2002049223A3 true WO2002049223A3 (en) 2002-09-06
WO2002049223A9 WO2002049223A9 (en) 2004-05-06

Family

ID=22934519

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/051122 Ceased WO2002049223A2 (en) 2000-11-10 2001-11-09 Encoding and decoding of truncated scalable bitstreams

Country Status (2)

Country Link
AU (1) AU2002243421A1 (en)
WO (1) WO2002049223A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5543845A (en) * 1991-03-07 1996-08-06 Mitsubishi Denki Kabushiki Kaisha High efficiency encoding apparatus
US6222881B1 (en) * 1994-10-18 2001-04-24 Intel Corporation Using numbers of non-zero quantized transform signals and signal differences to determine when to encode video signals using inter-frame or intra-frame encoding
US6366704B1 (en) * 1997-12-01 2002-04-02 Sharp Laboratories Of America, Inc. Method and apparatus for a delay-adaptive rate control scheme for the frame layer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5543845A (en) * 1991-03-07 1996-08-06 Mitsubishi Denki Kabushiki Kaisha High efficiency encoding apparatus
US6222881B1 (en) * 1994-10-18 2001-04-24 Intel Corporation Using numbers of non-zero quantized transform signals and signal differences to determine when to encode video signals using inter-frame or intra-frame encoding
US6366704B1 (en) * 1997-12-01 2002-04-02 Sharp Laboratories Of America, Inc. Method and apparatus for a delay-adaptive rate control scheme for the frame layer

Also Published As

Publication number Publication date
WO2002049223A9 (en) 2004-05-06
WO2002049223A2 (en) 2002-06-20
AU2002243421A1 (en) 2002-06-24

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