DE69117748D1 - Hierarchisches kodierungsverfahren mit hintergrundreferenzen zur leistungsfähigen kommunikation von bildsequenzen - Google Patents

Hierarchisches kodierungsverfahren mit hintergrundreferenzen zur leistungsfähigen kommunikation von bildsequenzen

Info

Publication number
DE69117748D1
DE69117748D1 DE69117748T DE69117748T DE69117748D1 DE 69117748 D1 DE69117748 D1 DE 69117748D1 DE 69117748 T DE69117748 T DE 69117748T DE 69117748 T DE69117748 T DE 69117748T DE 69117748 D1 DE69117748 D1 DE 69117748D1
Authority
DE
Germany
Prior art keywords
encoding process
image sequences
efficient communication
hierarchical encoding
background references
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
DE69117748T
Other languages
English (en)
Other versions
DE69117748T2 (de
Inventor
Jeffrey Bernstein
Bernd Girod
Xiancheng Yuan
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24078908&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69117748(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Picturetel Corp filed Critical Picturetel Corp
Application granted granted Critical
Publication of DE69117748D1 publication Critical patent/DE69117748D1/de
Publication of DE69117748T2 publication Critical patent/DE69117748T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4023—Scaling of whole images or parts thereof, e.g. expanding or contracting based on decimating pixels or lines of pixels; based on inserting pixels or lines of pixels
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • 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
    • 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
    • H04N19/50—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
    • H04N19/53—Multi-resolution motion estimation; Hierarchical motion estimation
    • 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
    • H04N19/60—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69117748T 1990-05-11 1991-05-10 Hierarchisches kodierungsverfahren mit hintergrundreferenzen zur leistungsfähigen kommunikation von bildsequenzen Expired - Fee Related DE69117748T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52197690A 1990-05-11 1990-05-11
PCT/US1991/003290 WO1991018478A1 (en) 1990-05-11 1991-05-10 A hierarchical encoding method and apparatus employing background references for efficiently communicating image sequences

Publications (2)

Publication Number Publication Date
DE69117748D1 true DE69117748D1 (de) 1996-04-11
DE69117748T2 DE69117748T2 (de) 1996-07-18

Family

ID=24078908

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69117748T Expired - Fee Related DE69117748T2 (de) 1990-05-11 1991-05-10 Hierarchisches kodierungsverfahren mit hintergrundreferenzen zur leistungsfähigen kommunikation von bildsequenzen

Country Status (6)

Country Link
EP (1) EP0527952B1 (de)
JP (1) JPH05508754A (de)
CA (1) CA2082640A1 (de)
DE (1) DE69117748T2 (de)
ES (1) ES2084169T3 (de)
WO (1) WO1991018478A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0527947A4 (en) * 1990-05-11 1993-12-15 Picturetel Corporation A hierarchical entropy coded lattice threshold quantization encoding method and apparatus for image and video compression
US5592228A (en) * 1993-03-04 1997-01-07 Kabushiki Kaisha Toshiba Video encoder using global motion estimation and polygonal patch motion estimation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61114677A (ja) * 1984-11-09 1986-06-02 Nec Corp 動画像信号の適応予測符号化復号化方式及びその装置
JPS62214792A (ja) * 1986-03-14 1987-09-21 Fujitsu Ltd 差分符号化装置
NL8701261A (nl) * 1987-05-27 1988-12-16 Philips Nv Televisie-overdrachtsysteem met pyramidale kodeer/dekodeerschakeling.
US4849810A (en) * 1987-06-02 1989-07-18 Picturetel Corporation Hierarchial encoding method and apparatus for efficiently communicating image sequences
US4969039A (en) * 1987-07-01 1990-11-06 Nec Corporation Image processing system operable in cooperation with a recording medium

Also Published As

Publication number Publication date
DE69117748T2 (de) 1996-07-18
WO1991018478A1 (en) 1991-11-28
CA2082640A1 (en) 1991-11-12
JPH05508754A (ja) 1993-12-02
EP0527952A1 (de) 1993-02-24
EP0527952B1 (de) 1996-03-06
ES2084169T3 (es) 1996-05-01
EP0527952A4 (en) 1993-06-09

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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