JP4666414B2 - 画像符号化方法および画像符号化装置 - Google Patents
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- JP4666414B2 JP4666414B2 JP2009237136A JP2009237136A JP4666414B2 JP 4666414 B2 JP4666414 B2 JP 4666414B2 JP 2009237136 A JP2009237136 A JP 2009237136A JP 2009237136 A JP2009237136 A JP 2009237136A JP 4666414 B2 JP4666414 B2 JP 4666414B2
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Description
Claims (2)
- 再構成された画像内の、隣接する2つのブロック間の境界を選択的にデブロックフィルタリングする画像符号化方法であって、
前記再構成された画像を用い、符号化対象ブロック毎に動きベクトルを求め、該動きベクトルに基づき動き補償予測を行なう動き補償予測ステップと、
前記隣接する2つのブロックの各々に属する符号化パラメータを用いて、前記境界にデブロックフィルタリングを行なうか否かを境界毎に判定する判定ステップと有し、
前記判定ステップは、前記境界に隣接するブロック間の動きベクトルが同じ基準画像をポイントしているか否か、かつ前記動きベクトルが互いに同一か否かまたは類似するか否かを評価し、前記評価に基づいて前記境界にデブロックフィルタリングを行なうか否かを判定し、
前記境界に隣接するブロック間で動きベクトルがポイントする基準画像が互いに異なるかまたは前記動きベクトルが互いに類似しない場合には、前記境界にデブロックフィルタリングを行なうことを特徴とする画像符号化方法。 - 再構成された画像内の、隣接する2つのブロック間の境界を選択的にデブロックフィルタリングする画像符号化装置であって、
前記再構成された画像を用い、符号化対象ブロック毎に動きベクトルを求め、該動きベクトルに基づき動き補償予測を行なう動き補償予測手段と、
前記隣接する2つのブロックの各々に属する符号化パラメータを用いて、前記境界にデブロックフィルタリングを行なうか否かを境界毎に判定する判定手段と備え、
前記判定手段は、前記境界に隣接するブロック間の動きベクトルが同じ基準画像をポイントしているか否か、かつ前記動きベクトルが互いに同一か否かまたは類似するか否かを評価し、前記評価に基づいて前記境界にデブロックフィルタリングを行なうか否かを判定し、
前記境界に隣接するブロック間で動きベクトルがポイントする基準画像が互いに異なるかまたは前記動きベクトルが互いに類似しない場合には、前記境界にデブロックフィルタリングを行なうことを特徴とする画像符号化装置。
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US09/817,701 US6931063B2 (en) | 2001-03-26 | 2001-03-26 | Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding |
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JP2010011510A JP2010011510A (ja) | 2010-01-14 |
JP4666414B2 true JP4666414B2 (ja) | 2011-04-06 |
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JP2002072698A Expired - Lifetime JP3688248B2 (ja) | 2001-03-26 | 2002-03-15 | 画像符号化装置、画像復号装置およびフィルタリング方法 |
JP2004202741A Expired - Lifetime JP4120989B2 (ja) | 2001-03-26 | 2004-07-09 | フィルタリング方法、画像符号化装置および画像復号装置 |
JP2004202737A Expired - Lifetime JP3714944B2 (ja) | 2001-03-26 | 2004-07-09 | 画像符号化装置および画像復号装置 |
JP2008032606A Expired - Lifetime JP4565010B2 (ja) | 2001-03-26 | 2008-02-14 | 画像復号装置および画像復号方法 |
JP2009031373A Expired - Lifetime JP4666411B2 (ja) | 2001-03-26 | 2009-02-13 | 画像復号方法および画像復号装置 |
JP2009189287A Expired - Lifetime JP4666413B2 (ja) | 2001-03-26 | 2009-08-18 | 画像復号方法および画像復号装置 |
JP2009237141A Expired - Lifetime JP4666415B2 (ja) | 2001-03-26 | 2009-10-14 | 画像符号化方法および画像符号化装置 |
JP2009237136A Expired - Lifetime JP4666414B2 (ja) | 2001-03-26 | 2009-10-14 | 画像符号化方法および画像符号化装置 |
JP2009297283A Expired - Lifetime JP4717138B2 (ja) | 2001-03-26 | 2009-12-28 | 画像符号化方法および画像符号化装置 |
JP2009297308A Expired - Lifetime JP4723024B2 (ja) | 2001-03-26 | 2009-12-28 | 画像復号方法および画像復号装置 |
JP2009297311A Expired - Lifetime JP4723025B2 (ja) | 2001-03-26 | 2009-12-28 | 画像符号化方法および画像符号化装置 |
JP2009297315A Expired - Lifetime JP4723026B2 (ja) | 2001-03-26 | 2009-12-28 | 画像符号化方法および画像符号化装置 |
JP2009297321A Expired - Lifetime JP4723027B2 (ja) | 2001-03-26 | 2009-12-28 | 画像復号方法および画像復号装置 |
JP2009297264A Expired - Lifetime JP4717136B2 (ja) | 2001-03-26 | 2009-12-28 | 画像符号化装置および画像符号化方法 |
JP2009297276A Expired - Lifetime JP4717137B2 (ja) | 2001-03-26 | 2009-12-28 | 画像復号方法および画像復号装置 |
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JP2002072698A Expired - Lifetime JP3688248B2 (ja) | 2001-03-26 | 2002-03-15 | 画像符号化装置、画像復号装置およびフィルタリング方法 |
JP2004202741A Expired - Lifetime JP4120989B2 (ja) | 2001-03-26 | 2004-07-09 | フィルタリング方法、画像符号化装置および画像復号装置 |
JP2004202737A Expired - Lifetime JP3714944B2 (ja) | 2001-03-26 | 2004-07-09 | 画像符号化装置および画像復号装置 |
JP2008032606A Expired - Lifetime JP4565010B2 (ja) | 2001-03-26 | 2008-02-14 | 画像復号装置および画像復号方法 |
JP2009031373A Expired - Lifetime JP4666411B2 (ja) | 2001-03-26 | 2009-02-13 | 画像復号方法および画像復号装置 |
JP2009189287A Expired - Lifetime JP4666413B2 (ja) | 2001-03-26 | 2009-08-18 | 画像復号方法および画像復号装置 |
JP2009237141A Expired - Lifetime JP4666415B2 (ja) | 2001-03-26 | 2009-10-14 | 画像符号化方法および画像符号化装置 |
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JP2009297283A Expired - Lifetime JP4717138B2 (ja) | 2001-03-26 | 2009-12-28 | 画像符号化方法および画像符号化装置 |
JP2009297308A Expired - Lifetime JP4723024B2 (ja) | 2001-03-26 | 2009-12-28 | 画像復号方法および画像復号装置 |
JP2009297311A Expired - Lifetime JP4723025B2 (ja) | 2001-03-26 | 2009-12-28 | 画像符号化方法および画像符号化装置 |
JP2009297315A Expired - Lifetime JP4723026B2 (ja) | 2001-03-26 | 2009-12-28 | 画像符号化方法および画像符号化装置 |
JP2009297321A Expired - Lifetime JP4723027B2 (ja) | 2001-03-26 | 2009-12-28 | 画像復号方法および画像復号装置 |
JP2009297264A Expired - Lifetime JP4717136B2 (ja) | 2001-03-26 | 2009-12-28 | 画像符号化装置および画像符号化方法 |
JP2009297276A Expired - Lifetime JP4717137B2 (ja) | 2001-03-26 | 2009-12-28 | 画像復号方法および画像復号装置 |
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US (10) | US6931063B2 (ja) |
EP (7) | EP2124453B1 (ja) |
JP (15) | JP3688248B2 (ja) |
DE (3) | DE60215241T2 (ja) |
HK (4) | HK1149663A1 (ja) |
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