KR100891663B1 - 비디오 신호 디코딩 및 인코딩 방법 - Google Patents
비디오 신호 디코딩 및 인코딩 방법 Download PDFInfo
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- KR100891663B1 KR100891663B1 KR1020060097360A KR20060097360A KR100891663B1 KR 100891663 B1 KR100891663 B1 KR 100891663B1 KR 1020060097360 A KR1020060097360 A KR 1020060097360A KR 20060097360 A KR20060097360 A KR 20060097360A KR 100891663 B1 KR100891663 B1 KR 100891663B1
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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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
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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
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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
- 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
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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
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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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
- H04N19/134—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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/187—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a scalable video layer
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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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
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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
- H04N19/50—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
- H04N19/53—Multi-resolution motion estimation; Hierarchical motion estimation
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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
- H04N19/60—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
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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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
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- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Description
Claims (9)
- 인핸스드 레이어에 있는 현재 블록의 예측 모드가 베이스 레이어의 대응 블록으로부터 유도되는 경우, 상기 대응 블록의 모션 벡터를 이용하여 상기 현재 블록의 예측값을 획득하는 단계;차분 예측 식별 정보에 기초하여, 상기 현재 블록의 제 1 차분 신호를 상기 대응 블록의 제 2 차분 신호로부터 획득하는 단계로서, 상기 제 1 차분 신호는 비트스트림으로부터 추출된 상기 현재 블록의 제 3 차분 신호와 상기 제 2 차분 신호를 더하여 획득되는 단계; 및상기 현재 블록의 예측값과 상기 제 1 차분 신호를 이용하여 상기 현재 블록을 복원하는 단계를 포함하되,상기 베이스 레이어와 상기 인핸스드 레이어의 공간 해상도는 동일하나 이미지 퀄러티는 다르고, 상기 예측 모드는 인터 모드를 나타내는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 제 1항에 있어서,상기 제 2 차분 신호는 상기 대응 블록의 픽셀값과 예측 픽셀값 사이의 차이값을 나타내는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 삭제
- 삭제
- 삭제
- 제 1항에 있어서,상기 제 1 차분 신호는 변환 계수 레벨에 해당되는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 인핸스드 레이어에 있는 현재 블록의 예측 모드가 베이스 레이어의 대응 블록으로부터 유도되는 경우, 상기 대응 블록의 모션 벡터를 이용하여 상기 현재 블록의 예측값을 획득하고, 차분 예측 정보에 기초하여 상기 현재 블록의 제1 차분 신호를 상기 대응블록의 제 2 차분 신호로부터 획득하는 제 1 인핸스드 레이어 디코더와;상기 현재 블록의 예측값과 상기 제 1 차분 신호를 이용하여 상기 현재 블록을 복원하는 제 2 인핸스드 레이어 디코더를 포함하되,상기 제 1 차분 신호는 비트스트림으로부터 추출된 상기 현재 블록의 제 3 차분 신호와 상기 제 2 차분 신호를 더하여 획득되고,상기 베이스 레이어와 상기 인핸스드 레이어의 공간 해상도는 동일하나 이미지 퀄러티는 다르고, 상기 예측 모드는 인터 모드를 나타내는 것을 특징으로 하는 비디오 신호 디코딩 장치.
- 삭제
- 제 7항에 있어서,상기 제 1 차분 신호는 변환 계수 레벨에 해당되는 것을 특징으로 하는 비디오 신호 디코딩 장치.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060097360A KR100891663B1 (ko) | 2005-10-05 | 2006-10-02 | 비디오 신호 디코딩 및 인코딩 방법 |
| US11/992,763 US20100246674A1 (en) | 2005-10-05 | 2006-10-09 | Method for Decoding and Encoding a Video Signal |
| PCT/KR2006/004030 WO2007040370A1 (en) | 2005-10-05 | 2006-10-09 | Method for decoding and encoding a video signal |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72347405P | 2005-10-05 | 2005-10-05 | |
| US60/723,474 | 2005-10-05 | ||
| US72922005P | 2005-10-24 | 2005-10-24 | |
| US60/729,220 | 2005-10-24 | ||
| KR1020060097360A KR100891663B1 (ko) | 2005-10-05 | 2006-10-02 | 비디오 신호 디코딩 및 인코딩 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070038432A KR20070038432A (ko) | 2007-04-10 |
| KR100891663B1 true KR100891663B1 (ko) | 2009-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020060097360A Expired - Fee Related KR100891663B1 (ko) | 2005-10-05 | 2006-10-02 | 비디오 신호 디코딩 및 인코딩 방법 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20100246674A1 (ko) |
| KR (1) | KR100891663B1 (ko) |
| WO (1) | WO2007040370A1 (ko) |
Cited By (2)
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| WO2014017809A1 (ko) * | 2012-07-24 | 2014-01-30 | 한국전자통신연구원 | 영상의 복호화 방법 및 이를 이용하는 장치 |
| WO2014088306A3 (ko) * | 2012-12-04 | 2014-10-23 | 인텔렉추얼 디스커버리 주식회사 | 비디오 부호화 및 복호화 방법, 그를 이용한 장치 |
Families Citing this family (15)
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| KR100891662B1 (ko) | 2005-10-05 | 2009-04-02 | 엘지전자 주식회사 | 비디오 신호 디코딩 및 인코딩 방법 |
| KR20070038396A (ko) | 2005-10-05 | 2007-04-10 | 엘지전자 주식회사 | 영상 신호의 인코딩 및 디코딩 방법 |
| US8315308B2 (en) * | 2006-01-11 | 2012-11-20 | Qualcomm Incorporated | Video coding with fine granularity spatial scalability |
| EP2039171B1 (en) * | 2006-07-07 | 2016-10-05 | Telefonaktiebolaget LM Ericsson (publ) | Weighted prediction for video coding |
| US8422555B2 (en) | 2006-07-11 | 2013-04-16 | Nokia Corporation | Scalable video coding |
| FR2907630A1 (fr) * | 2006-10-19 | 2008-04-25 | Thomson Licensing Sas | Dispositif et procede de codage sous forme scalable d'une sequence d'images et dispositif et procede de decodage correspondants |
| JP5988252B2 (ja) | 2011-01-12 | 2016-09-07 | サン パテント トラスト | 複数の参照ピクチャを用いた、動画像符号化方法、動画像復号方法、動画像符号化装置、及び、動画像復号装置 |
| JP6078883B2 (ja) | 2011-02-08 | 2017-02-15 | サン パテント トラスト | 多数の参照ピクチャを用いる動画像符号化方法、動画像復号方法、動画像符号化装置、および動画像復号方法 |
| CN103650502A (zh) * | 2011-07-13 | 2014-03-19 | 瑞典爱立信有限公司 | 用于参考画面管理的编码器、解码器及其方法 |
| US20140092977A1 (en) * | 2012-09-28 | 2014-04-03 | Nokia Corporation | Apparatus, a Method and a Computer Program for Video Coding and Decoding |
| US9357211B2 (en) * | 2012-12-28 | 2016-05-31 | Qualcomm Incorporated | Device and method for scalable and multiview/3D coding of video information |
| JP6210375B2 (ja) * | 2012-12-28 | 2017-10-11 | サン パテント トラスト | 画像符号化方法、画像復号方法、画像符号化装置、画像復号装置及び画像符号化復号装置 |
| KR101466574B1 (ko) * | 2013-03-19 | 2014-12-02 | 삼성전자주식회사 | 스케일러블 비디오 부호화 방법 및 장치, 스케일러블 비디오 복호화 방법 및 장치 |
| CN115460410B (zh) * | 2016-01-27 | 2025-11-14 | 韩国电子通信研究院 | 通过使用预测对视频进行编码和解码的方法和装置 |
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2006
- 2006-10-02 KR KR1020060097360A patent/KR100891663B1/ko not_active Expired - Fee Related
- 2006-10-09 US US11/992,763 patent/US20100246674A1/en not_active Abandoned
- 2006-10-09 WO PCT/KR2006/004030 patent/WO2007040370A1/en not_active Ceased
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014017809A1 (ko) * | 2012-07-24 | 2014-01-30 | 한국전자통신연구원 | 영상의 복호화 방법 및 이를 이용하는 장치 |
| WO2014088306A3 (ko) * | 2012-12-04 | 2014-10-23 | 인텔렉추얼 디스커버리 주식회사 | 비디오 부호화 및 복호화 방법, 그를 이용한 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100246674A1 (en) | 2010-09-30 |
| KR20070038432A (ko) | 2007-04-10 |
| WO2007040370A1 (en) | 2007-04-12 |
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