WO2003041385A3 - Moving image coding method, and moving image decoding method - Google Patents

Moving image coding method, and moving image decoding method Download PDF

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Publication number
WO2003041385A3
WO2003041385A3 PCT/JP2002/011554 JP0211554W WO03041385A3 WO 2003041385 A3 WO2003041385 A3 WO 2003041385A3 JP 0211554 W JP0211554 W JP 0211554W WO 03041385 A3 WO03041385 A3 WO 03041385A3
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WO
WIPO (PCT)
Prior art keywords
picture
coding
moving image
unit
predictive
Prior art date
Application number
PCT/JP2002/011554
Other languages
French (fr)
Other versions
WO2003041385A2 (en
Inventor
Satoshi Kondo
Shinya Kadono
Makoto Hagai
Original Assignee
Matsushita Electric Ind Co Ltd
Satoshi Kondo
Shinya Kadono
Makoto Hagai
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
Priority to MXPA03010729A priority Critical patent/MXPA03010729A/en
Priority to CA2456377A priority patent/CA2456377C/en
Priority to US10/478,484 priority patent/US7310373B2/en
Application filed by Matsushita Electric Ind Co Ltd, Satoshi Kondo, Shinya Kadono, Makoto Hagai filed Critical Matsushita Electric Ind Co Ltd
Priority to EP20020780004 priority patent/EP1444835A2/en
Priority to BRPI0206305-0A priority patent/BRPI0206305B1/en
Priority to EP17199599.6A priority patent/EP3310045B1/en
Priority to BR0206305A priority patent/BR0206305A/en
Priority to AU2002343215A priority patent/AU2002343215C1/en
Priority to KR20037015345A priority patent/KR100926850B1/en
Publication of WO2003041385A2 publication Critical patent/WO2003041385A2/en
Publication of WO2003041385A3 publication Critical patent/WO2003041385A3/en
Priority to US11/980,484 priority patent/US7756204B2/en
Priority to US11/980,563 priority patent/US8126056B2/en
Priority to US11/980,598 priority patent/US8126057B2/en
Priority to AU2008203058A priority patent/AU2008203058B2/en
Priority to US12/570,423 priority patent/US8265153B2/en
Priority to US12/570,486 priority patent/US8194747B2/en

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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H—ELECTRICITY
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    • 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
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    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
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    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
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    • H04N19/103—Selection of coding mode or of prediction mode
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Abstract

A moving image coding apparatus (10) for performing inter-picture predictive coding on pictures constituting a moving image is provided with a coding unit (103) for performing predictive error coding on image data; a decoding unit (105) for performing predictive error decoding on an output from the coding unit (103); a reference picture memory (117) for holding output data from the decoding unit (105); and a motion vector detection unit (108) for detecting forward and backward motion vectors on the basis of decoded image data stored in the memory (117). When coding a B picture, a picture that is timewise closest to the target picture is used as a candidate picture for forward reference, and an I or P picture that is timewise closest to the target picture is used as a candidate picture for backward reference. The moving image coding apparatus (10) so constructed can improve coding efficiency of a B picture to be subjected to bidirectional predictive coding.
PCT/JP2002/011554 2001-11-06 2002-11-06 Moving image coding method, and moving image decoding method WO2003041385A2 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
KR20037015345A KR100926850B1 (en) 2001-11-06 2002-11-06 A motion vector determining method and its apparatus
CA2456377A CA2456377C (en) 2001-11-06 2002-11-06 Moving picture coding method, and moving picture decoding method
AU2002343215A AU2002343215C1 (en) 2001-11-06 2002-11-06 Moving picture coding method, and moving picture decoding method
EP20020780004 EP1444835A2 (en) 2001-11-06 2002-11-06 Moving image coding method and moving image decoding method
BRPI0206305-0A BRPI0206305B1 (en) 2001-11-06 2002-11-06 "IMAGE DECODING METHOD"
EP17199599.6A EP3310045B1 (en) 2001-11-06 2002-11-06 Moving image coding method, and moving image decoding method
BR0206305A BR0206305A (en) 2001-11-06 2002-11-06 Moving Image Encoding Method and Moving Image Decoding Method
MXPA03010729A MXPA03010729A (en) 2001-11-06 2002-11-06 Moving image coding method, and moving image decoding method.
US10/478,484 US7310373B2 (en) 2001-11-06 2002-11-06 Moving picture coding method, and moving picture decoding method
US11/980,598 US8126057B2 (en) 2001-11-06 2007-10-31 Moving picture coding method, and moving picture decoding method
US11/980,484 US7756204B2 (en) 2001-11-06 2007-10-31 Moving picture coding method, and moving picture decoding method
US11/980,563 US8126056B2 (en) 2001-11-06 2007-10-31 Moving picture coding method, and moving picture decoding method
AU2008203058A AU2008203058B2 (en) 2001-11-06 2008-07-10 Moving picture coding method and moving picture decoding method
US12/570,423 US8265153B2 (en) 2001-11-06 2009-09-30 Moving picture coding method, and moving picture decoding method
US12/570,486 US8194747B2 (en) 2001-11-06 2009-09-30 Moving picture coding method, and moving picture decoding method

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP2001340698 2001-11-06
JP2001-340698 2001-11-06
JP2001-373311 2001-12-06
JP2001373311 2001-12-06
JP2001388466 2001-12-20
JP2001-388466 2001-12-20
JP2002-012117 2002-01-21
JP2002012117 2002-01-21
JP2002-118598 2002-04-19
JP2002118598 2002-04-19

Related Child Applications (4)

Application Number Title Priority Date Filing Date
US10478484 A-371-Of-International 2002-11-06
US11/980,563 Division US8126056B2 (en) 2001-11-06 2007-10-31 Moving picture coding method, and moving picture decoding method
US11/980,598 Division US8126057B2 (en) 2001-11-06 2007-10-31 Moving picture coding method, and moving picture decoding method
US11/980,484 Division US7756204B2 (en) 2001-11-06 2007-10-31 Moving picture coding method, and moving picture decoding method

Publications (2)

Publication Number Publication Date
WO2003041385A2 WO2003041385A2 (en) 2003-05-15
WO2003041385A3 true WO2003041385A3 (en) 2003-10-16

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PCT/JP2002/011554 WO2003041385A2 (en) 2001-11-06 2002-11-06 Moving image coding method, and moving image decoding method
PCT/JP2002/011553 WO2003041415A1 (en) 2001-11-06 2002-11-06 Moving picture coding method and moving picture decoding method

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Country Status (13)

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US (17) US7782936B2 (en)
EP (15) EP3310050B1 (en)
KR (6) KR100926850B1 (en)
CN (2) CN100505878C (en)
AU (1) AU2002343215C1 (en)
BR (3) BR0206308B1 (en)
CA (2) CA2456377C (en)
DK (3) DK2271111T3 (en)
ES (10) ES2608453T3 (en)
MX (2) MXPA03010729A (en)
PT (3) PT2271110T (en)
TR (4) TR201802625T4 (en)
WO (2) WO2003041385A2 (en)

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