JP2008199652A - 動きベクターを求める方法 - Google Patents
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Abstract
【解決手段】レファレンスインデックス情報がロングタームレファレンスピクチャを参照する場合は、現在のブロックの第1動きベクターを同一位置のブロックの動きベクターに等しく設定し且つ現在のブロックの第2動きベクターをゼロに設定し、レファレンスインデックス情報がショートタームレファレンスピクチャを参照する場合は、現在のブロックの第1及び第2動きベクターを同一位置のブロックの動きベクターをスケーリングすることによって算出することを特徴とする双予測ピクチャ内の現在のブロックの動きベクターを求める方法。
【選択図】図3
Description
MVb=(TRb−TRd)*MV/TRd (2)
MVb=0 (4)
Claims (1)
- レファレンスピクチャ内の同一位置のブロックの動きベクターから双予測ピクチャ内の現在のブロックの動きベクターを求める方法であって、
前記現在のブロックについての前記同一位置のブロックからレファレンスインデックス情報を取得し、
前記レファレンスインデックス情報によって参照されるレフェレンスピクチャの種類に基づいて現在のブロックの動きベクターを決定し、
決定された動きベクターに基づいて前記現在のブロックをデコードする、ステップを有し、
前記決定ステップにおいて、前記レファレンスインデックス情報がロングタームレファレンスピクチャを参照する場合は、前記現在のブロックの第1動きベクターを前記同一位置のブロックの動きベクターに等しく設定し且つ前記現在のブロックの第2動きベクターをゼロに設定し、
前記決定ステップにおいて、前記レファレンスインデックス情報がショートタームレファレンスピクチャを参照する場合は、前記現在のブロックの第1及び第2動きベクターを前記同一位置のブロックの動きベクターをスケーリングすることによって算出する、
ことを特徴とする動きベクターを求める方法。
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KR20020024470 | 2002-05-03 | ||
KR2002-24470 | 2002-05-03 |
Related Parent Applications (1)
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JP2006004922A Division JP4495087B2 (ja) | 2002-05-03 | 2006-01-12 | 動きベクターの決定方法 |
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JP2008199652A true JP2008199652A (ja) | 2008-08-28 |
JP4865753B2 JP4865753B2 (ja) | 2012-02-01 |
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JP2003002604A Expired - Lifetime JP3958690B2 (ja) | 2002-05-03 | 2003-01-08 | 動画コーディング方法 |
JP2006004922A Expired - Lifetime JP4495087B2 (ja) | 2002-05-03 | 2006-01-12 | 動きベクターの決定方法 |
JP2008096493A Expired - Lifetime JP4865755B2 (ja) | 2002-05-03 | 2008-04-02 | 動きベクターの決定方法 |
JP2008096479A Expired - Lifetime JP4865754B2 (ja) | 2002-05-03 | 2008-04-02 | 動きベクターを求める方法 |
JP2008096500A Expired - Lifetime JP4865756B2 (ja) | 2002-05-03 | 2008-04-02 | 動きベクターを求める方法 |
JP2008096429A Expired - Lifetime JP4865753B2 (ja) | 2002-05-03 | 2008-04-02 | 動きベクターを求める方法 |
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JP2003002604A Expired - Lifetime JP3958690B2 (ja) | 2002-05-03 | 2003-01-08 | 動画コーディング方法 |
JP2006004922A Expired - Lifetime JP4495087B2 (ja) | 2002-05-03 | 2006-01-12 | 動きベクターの決定方法 |
JP2008096493A Expired - Lifetime JP4865755B2 (ja) | 2002-05-03 | 2008-04-02 | 動きベクターの決定方法 |
JP2008096479A Expired - Lifetime JP4865754B2 (ja) | 2002-05-03 | 2008-04-02 | 動きベクターを求める方法 |
JP2008096500A Expired - Lifetime JP4865756B2 (ja) | 2002-05-03 | 2008-04-02 | 動きベクターを求める方法 |
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Country | Link |
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US (25) | US8565305B2 (ja) |
EP (11) | EP2202988B1 (ja) |
JP (6) | JP3958690B2 (ja) |
KR (4) | KR100491530B1 (ja) |
CN (5) | CN100375535C (ja) |
DE (6) | DE10362222B4 (ja) |
ES (10) | ES2553466T3 (ja) |
GB (6) | GB2416455B (ja) |
HK (4) | HK1073557A1 (ja) |
HU (4) | HUE026502T2 (ja) |
NL (3) | NL1022331C2 (ja) |
RU (5) | RU2282948C1 (ja) |
TW (1) | TWI221076B (ja) |
Families Citing this family (110)
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KR101200924B1 (ko) * | 2004-08-31 | 2012-11-14 | 톰슨 라이센싱 | 다수의 기준 화상에 대한 고속 움직임 추정 |
WO2006028156A1 (ja) * | 2004-09-10 | 2006-03-16 | Pioneer Corporation | 画像処理装置、画像処理方法、および画像処理プログラム |
JP4520994B2 (ja) * | 2004-09-30 | 2010-08-11 | パイオニア株式会社 | 画像処理装置、画像処理方法、および画像処理プログラム |
JP4541825B2 (ja) * | 2004-10-15 | 2010-09-08 | キヤノン株式会社 | 動画像符号化装置及びその制御方法 |
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EP3054680B1 (en) * | 2002-04-19 | 2019-06-05 | Panasonic Intellectual Property Corporation of America | Motion vector calculating method |
KR100491530B1 (ko) * | 2002-05-03 | 2005-05-27 | 엘지전자 주식회사 | 모션 벡터 결정 방법 |
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