JP2001507541A - スプライトベースによるビデオ符号化システム - Google Patents
スプライトベースによるビデオ符号化システムInfo
- Publication number
- JP2001507541A JP2001507541A JP52983998A JP52983998A JP2001507541A JP 2001507541 A JP2001507541 A JP 2001507541A JP 52983998 A JP52983998 A JP 52983998A JP 52983998 A JP52983998 A JP 52983998A JP 2001507541 A JP2001507541 A JP 2001507541A
- Authority
- JP
- Japan
- Prior art keywords
- sprite
- video
- mosaic
- background
- shape
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
-
- 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
- H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
- H04N19/23—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding with coding of regions that are present throughout a whole video segment, e.g. sprites, background or mosaic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99931—Database or file accessing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99931—Database or file accessing
- Y10S707/99933—Query processing, i.e. searching
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.スプライト作成が自動的であり、スプライトオブジェクトの分割が自動的で あって且つスプライト作成及び符号化・復号処理が統合されたスプライトベース によるビデオ予測符号化(符号化及び復号化)方法であって、 バッファの全ての位置でバイナリフィールドを0に初期化し、 マッピングのためにイメージと前記イメージの順方向ワープパラメータを取得 し、 以前に符号化/復号されたフレームと現在のフレームとの間のコンテンツの変 化を検出し、 新たな背景領域を認識し、 前景と背景を分割し、 対象となる形状を圧縮又は伸張することによって、前景の形状とテクスチャを 作成し、 前に作成された前景形状から背景形状を引き出し、 モザイク中の新たな背景テクスチャを初期化し、 前記モザイクの予測から背景テクスチャ残差を決定し、 前記背景形状のモザイクを更新し、 新たな又はカバーされていない背景に対応する全ての領域の前記モザイクを更 新することを特徴とするスプライトベースによるビデオ予測符号化方法。 2.符号化中に作成されたスプライトが、入力ビデオクリップの代表イメージと して用いられ、前記ビデオクリップが記録及び検索の目的で解析され索引される 圧縮ビデオデータベースシステムであって、 ビデオクリップを受信し、ビデオビットストリームとモザイクを生成するため のスプライトベースによる符号器と、 前記モザイクから特徴を抽出し、代表的特徴を認識するための特徴抽出器と、 前記代表的特徴及び前記ビデオビットストリームからビデオデータベースを生 成するためのビデオデータベース生成器と、 選択された代表的特徴を用いて前記ビデオデータベースを検索するための検索 エンジンと を備えたことを特徴とする圧縮ビデオデータベースシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3455896P | 1996-12-30 | 1996-12-30 | |
US60/034,558 | 1996-12-30 | ||
PCT/JP1997/004814 WO1998029834A1 (en) | 1996-12-30 | 1997-12-25 | Sprite-based video coding system |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004095933A Division JP2004260840A (ja) | 1996-12-30 | 2004-03-29 | スプライトベースによるビデオ符号化システム |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2001507541A true JP2001507541A (ja) | 2001-06-05 |
Family
ID=21877179
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52983998A Pending JP2001507541A (ja) | 1996-12-30 | 1997-12-25 | スプライトベースによるビデオ符号化システム |
JP2004095933A Pending JP2004260840A (ja) | 1996-12-30 | 2004-03-29 | スプライトベースによるビデオ符号化システム |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004095933A Pending JP2004260840A (ja) | 1996-12-30 | 2004-03-29 | スプライトベースによるビデオ符号化システム |
Country Status (5)
Country | Link |
---|---|
US (2) | US6205260B1 (ja) |
EP (1) | EP1042736B1 (ja) |
JP (2) | JP2001507541A (ja) |
DE (1) | DE69725186T2 (ja) |
WO (1) | WO1998029834A1 (ja) |
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JP2010011075A (ja) * | 2008-06-26 | 2010-01-14 | Toshiba Corp | 動画像符号化及び動画像復号化の方法及び装置 |
JP2012231532A (ja) * | 2005-07-13 | 2012-11-22 | Polycom Inc | ビデオ誤り隠蔽法 |
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- 1997-12-25 JP JP52983998A patent/JP2001507541A/ja active Pending
- 1997-12-25 DE DE69725186T patent/DE69725186T2/de not_active Expired - Lifetime
- 1997-12-25 EP EP97950389A patent/EP1042736B1/en not_active Expired - Lifetime
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JP2012231532A (ja) * | 2005-07-13 | 2012-11-22 | Polycom Inc | ビデオ誤り隠蔽法 |
JP2009147911A (ja) * | 2007-12-12 | 2009-07-02 | Samsung Electronics Co Ltd | 映像データ圧縮前処理方法およびこれを用いた映像データ圧縮方法と映像データ圧縮システム |
JP2010011075A (ja) * | 2008-06-26 | 2010-01-14 | Toshiba Corp | 動画像符号化及び動画像復号化の方法及び装置 |
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EP1042736A1 (en) | 2000-10-11 |
WO1998029834A1 (en) | 1998-07-09 |
US6259828B1 (en) | 2001-07-10 |
US6205260B1 (en) | 2001-03-20 |
DE69725186T2 (de) | 2004-06-17 |
EP1042736B1 (en) | 2003-09-24 |
JP2004260840A (ja) | 2004-09-16 |
DE69725186D1 (de) | 2003-10-30 |
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