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FI117418B - Dekodningsanordning för förutsägning av rörelsekompensation - Google Patents

Dekodningsanordning för förutsägning av rörelsekompensation Download PDF

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Publication number
FI117418B
FI117418B FI20011779A FI20011779A FI117418B FI 117418 B FI117418 B FI 117418B FI 20011779 A FI20011779 A FI 20011779A FI 20011779 A FI20011779 A FI 20011779A FI 117418 B FI117418 B FI 117418B
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FI
Finland
Prior art keywords
block
field
signal
motion
blocks
Prior art date
Application number
FI20011779A
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English (en)
Finnish (fi)
Other versions
FI20011779A (sv
Inventor
Yoshihisa Yamada
Tokumichi Murakami
Yoshiaki Kato
Kohtaro Asai
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of FI20011779A publication Critical patent/FI20011779A/sv
Application granted granted Critical
Publication of FI117418B publication Critical patent/FI117418B/sv

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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
    • H04N19/10—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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/10—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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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

Landscapes

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

Claims (4)

1. Dekoderapparat som förutser en rörelses kompensering för mot-tagning och dekodering av multiplexerade kodade data, kännetecknad 5 av att apparaten omfattar: en separerare (46) för separering av multiplexerade kodade data (401) till flera kodade datablock (407) och relaterad kodningsinformation, var-vid nämnda kodningsinformation omfattar en faktorsvepningsordning (408), som bestämmer omvandlingsfaktoremas ordning i det kodade datablocket, en 10 blockstrukturkod (409), som anger huruvida vart och ett block är ett block i ett sammanslaget fält eller ett fältoberoende block, och en rörelsevektor (402), som avser blockprediktionsfelet i de kodade datablocken; en mot separeraren svarande dekoder (47) för dekodering av vart och ett av flera kodade datablock pä basis av den av faktorsvepningsordning-15 en bestämda svepningsordningen för generering av prediktivt kodad bild-information; en blockindelningsstyrenhet (48), som mottar dekoderns utmatning för att bestämma blocktypen för vart och ett dekodat block i den prediktivt kodade bildinformationen och samla de avkodade blocken beroende pä om 20 blocken är block i det sammanslagna fältet eller fältoberoende pä basis av blockstrukturkoden; ett minne (49) för lagring av en bildsignal; och ^ *· en adderare (50), som mottar blockindelningsstyrenhetens och min- : “·· nets utmatning (410 och 411), för att addera den prediktivt kodade bildinforma- 25 tionen tili den i nämnda minne lagrade bildsignalens relaterade delar.
"*·: 2. Apparat enligt patentkrav 1, kännetecknad av att nämnda ·/": kodade datablock (407) är ortogonala omvandlingar.
3. Apparat enligt patentkrav 1, kännetecknad av att rörelse-. .·. vektorn (402) bestämmer nämnda blockstrukturkod. .···. 30
4. Apparat enligt patentkrav 3, kännetecknad av att rörelse- 9 9 vektom (402) bestämmer nämnda faktorsvepningsordning. 9 9 9 9 9· 999 99 9 9 9 9 9 Λ99 99 9 9 9 9 9 9 9 9 9 ·
FI20011779A 1991-04-12 2001-09-07 Dekodningsanordning för förutsägning av rörelsekompensation FI117418B (sv)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP8008191 1991-04-12
JP8008191 1991-04-12
JP18748991 1991-07-26
JP18749091 1991-07-26
JP18749091 1991-07-26
JP18748991 1991-07-26

Publications (2)

Publication Number Publication Date
FI20011779A FI20011779A (sv) 2001-09-07
FI117418B true FI117418B (sv) 2006-09-29

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
FI921599A FI108386B (sv) 1991-04-12 1992-04-10 Kodingsf÷rfarande och -anordning f÷r f÷rutsõgning av r÷relsekompensation
FI20011779A FI117418B (sv) 1991-04-12 2001-09-07 Dekodningsanordning för förutsägning av rörelsekompensation
FI20060585A FI122375B (sv) 1991-04-12 2006-06-13 Dekodningsanordning för förutsägning av rörelsekompensation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FI921599A FI108386B (sv) 1991-04-12 1992-04-10 Kodingsf÷rfarande och -anordning f÷r f÷rutsõgning av r÷relsekompensation

Family Applications After (1)

Application Number Title Priority Date Filing Date
FI20060585A FI122375B (sv) 1991-04-12 2006-06-13 Dekodningsanordning för förutsägning av rörelsekompensation

Country Status (11)

Country Link
US (2) US5428693A (sv)
EP (1) EP0508351B1 (sv)
JP (1) JP2924430B2 (sv)
KR (1) KR950011188B1 (sv)
AU (1) AU640563B2 (sv)
CA (1) CA2065803C (sv)
DE (1) DE69221191T2 (sv)
DK (1) DK0508351T3 (sv)
ES (1) ES2104763T3 (sv)
FI (3) FI108386B (sv)
NO (1) NO307200B1 (sv)

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Also Published As

Publication number Publication date
AU1481192A (en) 1992-10-29
FI108386B (sv) 2002-01-15
NO307200B1 (no) 2000-02-21
US5600737A (en) 1997-02-04
CA2065803C (en) 2000-06-20
CA2065803A1 (en) 1992-10-13
DE69221191D1 (de) 1997-09-04
KR920020958A (ko) 1992-11-21
KR950011188B1 (ko) 1995-09-29
DE69221191T2 (de) 1998-02-26
FI921599A (fi) 1992-10-13
FI20011779A (sv) 2001-09-07
FI20060585A (sv) 2006-06-13
EP0508351B1 (en) 1997-07-30
FI122375B (sv) 2011-12-30
US5428693A (en) 1995-06-27
DK0508351T3 (da) 1997-09-22
AU640563B2 (en) 1993-08-26
JP2924430B2 (ja) 1999-07-26
NO921336L (no) 1992-10-13
NO921336D0 (no) 1992-04-06
EP0508351A2 (en) 1992-10-14
JPH05130595A (ja) 1993-05-25
ES2104763T3 (es) 1997-10-16
FI921599A0 (fi) 1992-04-10
EP0508351A3 (en) 1993-12-01

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