CA2024135A1 - Conditional motion compensated interpolation of digital motion video - Google Patents

Conditional motion compensated interpolation of digital motion video

Info

Publication number
CA2024135A1
CA2024135A1 CA2024135A CA2024135A CA2024135A1 CA 2024135 A1 CA2024135 A1 CA 2024135A1 CA 2024135 A CA2024135 A CA 2024135A CA 2024135 A CA2024135 A CA 2024135A CA 2024135 A1 CA2024135 A1 CA 2024135A1
Authority
CA
Canada
Prior art keywords
decoded
decoder
encoder
motion
frames
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.)
Granted
Application number
CA2024135A
Other languages
French (fr)
Other versions
CA2024135C (en
Inventor
Barin Geoffry Haskell
Atul Puri
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23637538&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2024135(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of CA2024135A1 publication Critical patent/CA2024135A1/en
Application granted granted Critical
Publication of CA2024135C publication Critical patent/CA2024135C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

CONDITIONAL MOTION COMPENSATED INTERPOLATION
OF DIGITAL MOTION VIDEO
Abstract Motion digital video is encoded and decoded by a motion compensated interpolation method and apparatus. In accordance with the method, selected frames of the video are interpolated in the decoder with the aid of interpolation correction codes that are generated in the encoder and sent to the decoder. In an encoder embodiment that interpolates half of the frames, every other frame is encoded and decoded within the encoder. The decoded versions of adjacent frames are appropriately combined and compared to the interleaved camera frame that is to be interpolated in the decoder. The differences, which correspond to "pels correction"
information, are encoded and quantized. Those that exceed a predetermined threshold value are added to the encoder's output buffer. The inverse operation is carried out in the decoder. That is every pair of decoded frames is averaged andcombined with the decoded "pels correction" information to form the interpolatedframes.
CA002024135A 1989-09-27 1990-08-28 Conditional motion compensated interpolation of digital motion video Expired - Lifetime CA2024135C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/413,520 US4958226A (en) 1989-09-27 1989-09-27 Conditional motion compensated interpolation of digital motion video
US413,520 1989-09-27

Publications (2)

Publication Number Publication Date
CA2024135A1 true CA2024135A1 (en) 1991-03-28
CA2024135C CA2024135C (en) 1994-11-29

Family

ID=23637538

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002024135A Expired - Lifetime CA2024135C (en) 1989-09-27 1990-08-28 Conditional motion compensated interpolation of digital motion video

Country Status (5)

Country Link
US (1) US4958226A (en)
EP (1) EP0425089B1 (en)
JP (1) JP3314929B2 (en)
CA (1) CA2024135C (en)
DE (1) DE69021500T2 (en)

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Also Published As

Publication number Publication date
EP0425089B1 (en) 1995-08-09
US4958226A (en) 1990-09-18
EP0425089A3 (en) 1992-05-06
CA2024135C (en) 1994-11-29
JP3314929B2 (en) 2002-08-19
DE69021500D1 (en) 1995-09-14
DE69021500T2 (en) 1996-04-11
JPH03133297A (en) 1991-06-06
EP0425089A2 (en) 1991-05-02

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