GB0422172D0 - Video coding using multiple buffers - Google Patents

Video coding using multiple buffers

Info

Publication number
GB0422172D0
GB0422172D0 GBGB0422172.7A GB0422172A GB0422172D0 GB 0422172 D0 GB0422172 D0 GB 0422172D0 GB 0422172 A GB0422172 A GB 0422172A GB 0422172 D0 GB0422172 D0 GB 0422172D0
Authority
GB
United Kingdom
Prior art keywords
video coding
multiple buffers
buffers
coding
video
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.)
Withdrawn
Application number
GBGB0422172.7A
Other versions
GB2403618A (en
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.)
Polycom Inc
Original Assignee
Picturetel 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 Picturetel Corp filed Critical Picturetel Corp
Priority claimed from GB0228544A external-priority patent/GB2381403B/en
Publication of GB0422172D0 publication Critical patent/GB0422172D0/en
Publication of GB2403618A publication Critical patent/GB2403618A/en
Withdrawn legal-status Critical Current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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/43—Hardware specially adapted for motion estimation or compensation
    • H04N19/433—Hardware specially adapted for motion estimation or compensation characterised by techniques for memory access
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB0422172A 2000-05-10 2001-05-10 Video coding using multiple buffers Withdrawn GB2403618A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US20300400P 2000-05-10 2000-05-10
US20905500P 2000-06-02 2000-06-02
GB0228544A GB2381403B (en) 2000-05-10 2001-05-10 Video coding using multiple buffers

Publications (2)

Publication Number Publication Date
GB0422172D0 true GB0422172D0 (en) 2004-11-03
GB2403618A GB2403618A (en) 2005-01-05

Family

ID=33544943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0422172A Withdrawn GB2403618A (en) 2000-05-10 2001-05-10 Video coding using multiple buffers

Country Status (1)

Country Link
GB (1) GB2403618A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8824553B2 (en) 2003-05-12 2014-09-02 Google Inc. Video compression method
US8069466B2 (en) 2005-08-04 2011-11-29 Nds Limited Advanced digital TV system
US8385404B2 (en) 2008-09-11 2013-02-26 Google Inc. System and method for video encoding using constructed reference frame
US8638854B1 (en) 2011-04-07 2014-01-28 Google Inc. Apparatus and method for creating an alternate reference frame for video compression using maximal differences
US9154799B2 (en) 2011-04-07 2015-10-06 Google Inc. Encoding and decoding motion via image segmentation
US9232233B2 (en) * 2011-07-01 2016-01-05 Apple Inc. Adaptive configuration of reference frame buffer based on camera and background motion
US20150201199A1 (en) * 2011-12-07 2015-07-16 Google Inc. Systems and methods for facilitating video encoding for screen-sharing applications
US9609341B1 (en) 2012-04-23 2017-03-28 Google Inc. Video data encoding and decoding using reference picture lists
EP2842337B1 (en) * 2012-04-23 2019-03-13 Google LLC Managing multi-reference picture buffers for video data coding
US9014266B1 (en) 2012-06-05 2015-04-21 Google Inc. Decimated sliding windows for multi-reference prediction in video coding
US9756331B1 (en) 2013-06-17 2017-09-05 Google Inc. Advance coded reference prediction

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19524688C1 (en) * 1995-07-06 1997-01-23 Siemens Ag Method for decoding and encoding a compressed video data stream with reduced memory requirements
JP3347954B2 (en) * 1995-11-02 2002-11-20 三菱電機株式会社 Video encoding device and video decoding device

Also Published As

Publication number Publication date
GB2403618A (en) 2005-01-05

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)