CA2038043A1 - Apparatus and method for adaptively compressing successive blocks of digital video - Google Patents

Apparatus and method for adaptively compressing successive blocks of digital video

Info

Publication number
CA2038043A1
CA2038043A1 CA2038043A CA2038043A CA2038043A1 CA 2038043 A1 CA2038043 A1 CA 2038043A1 CA 2038043 A CA2038043 A CA 2038043A CA 2038043 A CA2038043 A CA 2038043A CA 2038043 A1 CA2038043 A1 CA 2038043A1
Authority
CA
Canada
Prior art keywords
signals
compressed
video signal
compressed video
pixel data
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
CA2038043A
Other languages
French (fr)
Other versions
CA2038043C (en
Inventor
Edward A. Krause
Woo H. Paik
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.)
General Electric Co
Original Assignee
General Instrument 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=24017897&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2038043(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by General Instrument Corp filed Critical General Instrument Corp
Publication of CA2038043A1 publication Critical patent/CA2038043A1/en
Application granted granted Critical
Publication of CA2038043C publication Critical patent/CA2038043C/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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/176—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 an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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

Abstract

The compression of successive blocks of digital data is optimized by selecting between different compression algorithms or different data formats on a block-by-block basis. In one application, digitized interlaced video signals are processed for transmission in a compressed form. A set of pixel data presented in a field format is compressed to provide a first compressed video signal. The set of pixel data is also presented in a frame format and compressed to provide a second compressed video signal. Errors are evaluated in the first and second compressed video signals. The compressed video signal having the least error is selected for further processing. The technique is repeated for successive sets of pixel data and the selected signals are encoded to identify them as field formatted or frame formatted signals. The encoded selected signals are then combined to provide a compressed video signal data stream for transmission. Apparatus for receiving and decoding the signals is also disclosed.
CA002038043A 1990-04-09 1991-03-12 Apparatus and method for adaptively compressing successive blocks of digital video Expired - Lifetime CA2038043C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/507,258 US5091782A (en) 1990-04-09 1990-04-09 Apparatus and method for adaptively compressing successive blocks of digital video
US07/507,258 1990-04-09

Publications (2)

Publication Number Publication Date
CA2038043A1 true CA2038043A1 (en) 1991-10-10
CA2038043C CA2038043C (en) 1995-07-18

Family

ID=24017897

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002038043A Expired - Lifetime CA2038043C (en) 1990-04-09 1991-03-12 Apparatus and method for adaptively compressing successive blocks of digital video

Country Status (14)

Country Link
US (1) US5091782A (en)
EP (1) EP0451545B1 (en)
JP (1) JP2795420B2 (en)
KR (1) KR100188423B1 (en)
AT (1) ATE139402T1 (en)
AU (1) AU627684B2 (en)
CA (1) CA2038043C (en)
DE (1) DE69120139T2 (en)
DK (1) DK0451545T3 (en)
ES (1) ES2088440T3 (en)
GR (1) GR3020736T3 (en)
HK (1) HK1008410A1 (en)
IE (1) IE74861B1 (en)
NO (2) NO178419C (en)

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