KR101596829B1 - 비디오 신호의 디코딩 방법 및 장치 - Google Patents
비디오 신호의 디코딩 방법 및 장치 Download PDFInfo
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Abstract
Description
Claims (14)
- 현재 블록의 인트라 예측 모드를 획득하는 단계;상기 현재 블록의 인트라 예측 모드에 따라 상기 현재 블록의 인트라 예측값을 획득하는 단계; 및상기 현재 블록의 인트라 예측값을 이용하여 상기 현재 블록을 복원하는 단계를 포함하되,상기 현재 블록의 인트라 예측 모드가 수직 방향 예측 모드인 경우, 상기 현재 블록의 인트라 예측값을 획득하는 단계는,상기 현재 블록의 좌측에 인접한 픽셀값을 이용하여 상관 파라미터 정보를 획득하는 것과,상기 상관 파라미터 정보 및 상기 현재 블록의 상단에 인접한 픽셀값을 이용하여 상기 현재 블록 내의 현재 픽셀의 인트라 예측값을 획득하는 것을 포함하며,상기 현재 블록의 상단에 인접한 픽셀값은 상기 현재 픽셀과 동일한 수평 좌표를 가지는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 제1항에 있어서,상기 현재 픽셀의 인트라 예측값은 상기 상관 파라미터 정보의 값과 상기 현재 블록의 상단에 인접한 픽셀값을 더하여 획득되는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 제1항에 있어서,상기 현재 블록의 상단에 인접한 픽셀값은 필터링이 적용된 픽셀인 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 제1항에 있어서,상기 상관 파라미터 정보는 상기 현재 블록의 좌측에 인접한 픽셀값과 상기 현재 블록의 좌측 상단에 인접한 픽셀값 간의 차이를 이용하여 획득되는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 삭제
- 삭제
- 제1항에 있어서,상기 현재 블록의 인트라 예측 모드가 수평 방향 예측 모드인 경우, 상기 현재 블록의 인트라 예측값을 획득하는 단계는,상기 현재 블록의 상단에 인접한 픽셀값을 이용하여 상관 파라미터 정보를 획득하는 것과,상기 상관 파라미터 정보 및 상기 현재 블록의 좌측에 인접한 픽셀값을 이용하여 상기 현재 블록 내의 상기 현재 픽셀의 인트라 예측값을 획득하는 것을 포함하며,상기 현재 블록의 좌측에 인접한 픽셀값은 상기 현재 픽셀과 동일한 수직 좌표를 가지는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 삭제
- 삭제
- 현재 블록의 인트라 예측 모드를 획득하는 예측 모드 확인부; 및상기 인트라 예측 모드에 따라 상관 파라미터 정보를 획득하는 상관 파라미터 정보 획득부; 및상기 상관 파라미터 정보를 이용하여 상기 현재 블록의 인트라 예측값을 획득하는 예측값 획득부를 포함하되,상기 현재 블록의 인트라 예측 모드가 수직 방향 예측 모드인 경우, 상기 상관 파라미터 정보는 상기 현재 블록의 좌측에 인접한 픽셀값을 이용하여 획득되고, 상기 현재 블록 내의 현재 픽셀의 인트라 예측값은 상기 상관 파라미터 정보 및 상기 현재 블록의 상단에 인접한 픽셀값을 이용하여 획득되며, 상기 현재 블록의 상단에 인접한 픽셀값은 상기 현재 픽셀과 동일한 수평 좌표를 가지는 것을 특징으로 하는 비디오 신호 디코딩 장치.
- 제10항에 있어서,상기 현재 픽셀의 인트라 예측값은 상기 상관 파라미터 정보의 값과 상기 현재 블록의 상단에 인접한 픽셀값을 더하여 획득되는 것을 특징으로 하는 비디오 신호 디코딩 장치.
- 제10항에 있어서,상기 현재 블록의 상단에 인접한 픽셀값은 필터링이 적용된 픽셀인 것을 특징으로 하는 비디오 신호 디코딩 장치.
- 제10항에 있어서,상기 상관 파라미터 정보는 상기 현재 블록의 좌측에 인접한 픽셀값과 상기 현재 블록의 좌측 상단에 인접한 픽셀값 간의 차이를 이용하여 획득되는 것을 특징으로 하는 비디오 신호 디코딩 장치.
- 제10항에 있어서,상기 현재 블록의 인트라 예측 모드가 수평 방향 예측 모드인 경우, 상기 상관 파라미터 정보는 상기 현재 블록의 상단에 인접한 픽셀값을 이용하여 획득되고, 상기 현재 블록 내의 현재 픽셀의 인트라 예측값은 상기 상관 파라미터 정보 및 상기 현재 블록의 좌측에 인접한 픽셀값을 이용하여 획득되며, 상기 현재 블록의 좌측에 인접한 픽셀값은 상기 현재 픽셀과 동일한 수직 좌표를 가지는 것을 특징으로 하는 비디오 신호 디코딩 장치.
Priority Applications (18)
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PCT/KR2009/002403 WO2009136743A2 (ko) | 2008-05-07 | 2009-05-07 | 비디오 신호의 디코딩 방법 및 장치 |
PL09742849T PL2288163T3 (pl) | 2008-05-07 | 2009-05-07 | Sposób i urządzenie do dekodowania sygnału wideo |
PL15000810T PL2924994T3 (pl) | 2008-05-07 | 2009-05-07 | Sposób i aparat do dekodowania sygnału wideo |
US12/991,210 US9277244B2 (en) | 2008-05-07 | 2009-05-07 | Decoding a video signal using intra-prediction mode information |
EP15000810.0A EP2924994B1 (en) | 2008-05-07 | 2009-05-07 | Method and apparatus for decoding video signal |
EP09742849.4A EP2288163B1 (en) | 2008-05-07 | 2009-05-07 | Method and apparatus for decoding video signal |
ES09742849.4T ES2541807T3 (es) | 2008-05-07 | 2009-05-07 | Procedimiento y aparato para decodificar una señal de vídeo |
KR1020090039683A KR101596829B1 (ko) | 2008-05-07 | 2009-05-07 | 비디오 신호의 디코딩 방법 및 장치 |
US15/007,896 US9756358B2 (en) | 2008-05-07 | 2016-01-27 | Method and apparatus for decoding video signal |
US15/441,591 US10306263B2 (en) | 2008-05-07 | 2017-02-24 | Method and apparatus for decoding video signal |
US16/210,700 US10555003B2 (en) | 2008-05-07 | 2018-12-05 | Method and apparatus for decoding video signal |
US16/780,336 US10880575B2 (en) | 2008-05-07 | 2020-02-03 | Method and apparatus for decoding video signal |
US17/100,162 US11375234B2 (en) | 2008-05-07 | 2020-11-20 | Method and apparatus for decoding video signal |
KR1020210100552A KR102340559B1 (ko) | 2008-05-07 | 2021-07-30 | 비디오 신호의 디코딩 방법 및 장치 |
KR1020210178361A KR102453759B1 (ko) | 2008-05-07 | 2021-12-14 | 비디오 신호의 디코딩 방법 및 장치 |
US17/831,919 US12058369B2 (en) | 2008-05-07 | 2022-06-03 | Method and apparatus for decoding video signal |
KR1020220127769A KR102636372B1 (ko) | 2008-05-07 | 2022-10-06 | 비디오 신호의 디코딩 방법 및 장치 |
US18/749,278 US20240340448A1 (en) | 2008-05-07 | 2024-06-20 | Method and apparatus for decoding video signal |
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US61/051,343 | 2008-05-07 | ||
US10201208P | 2008-10-02 | 2008-10-02 | |
US61/102,012 | 2008-10-02 | ||
KR1020090039683A KR101596829B1 (ko) | 2008-05-07 | 2009-05-07 | 비디오 신호의 디코딩 방법 및 장치 |
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US (8) | US9277244B2 (ko) |
EP (2) | EP2924994B1 (ko) |
KR (4) | KR101596829B1 (ko) |
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KR20090116655A (ko) | 2009-11-11 |
US9756358B2 (en) | 2017-09-05 |
US20110090969A1 (en) | 2011-04-21 |
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US20190110074A1 (en) | 2019-04-11 |
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