KR20060069528A - 비디오 코딩시 이미지 프레임들의 그루핑 - Google Patents
비디오 코딩시 이미지 프레임들의 그루핑 Download PDFInfo
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Abstract
Description
Claims (16)
- 디코딩 순서에 있어 이전 기준 이미지 프레임보다 앞선 적어도 한 이전 이미지 프레임으로부터 적어도 한 기준 이미지 프레임이 예측 가능할 때, 이미지 프레임들의 독자적 시퀀스를 구비하는 비디오 시퀀스를 인코딩하는 방법에 있어서,적어도 한 기준 이미지 프레임이 포함되는 상기 독자적 시퀀스 가운데, 디코딩 순서에 있어 최초 이미지 프레임이 되는 적어도 한 이미지 프레임의 표시를 비디오 시퀀스 안에 부호화하는 단계를 포함함을 특징으로 하는 인코딩 방법.
- 제1항에 있어서,상기 표시를 슬라이스(slice)의 헤더 내에 포함된 별도의 플래그(flag)로서 비디오 시퀀스 안에 부호화하는 단계를 포함함을 특징으로 하는 인코딩 방법.
- 제1항 또는 제2항에 있어서,넘버링(numbering) 체계에 따라 이미지 프레임들의 식별 값들을 부호화하는 단계; 및독자적 시퀀스 중 상기 표시된 최초 이미지 프레임의 식별 값을 리셋시키는 단계를 포함함을 특징으로 하는 인코딩 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 비디오 시퀀스 안에 상기 독자적 시퀀스의 한 식별 값을 부호화하는 단계를 포함함을 특징으로 하는 인코딩 방법.
- 디코딩 순서에 있어 이전 기준 이미지 프레임보다 앞선 적어도 한 이전 이미지 프레임으로부터 적어도 한 기준 이미지 프레임이 예측 가능할 때, 이미지 프레임들의 독자적 시퀀스를 구비하는 비디오 시퀀스를 인코딩하는 비디오 인코더에 있어서,적어도 한 기준 이미지 프레임이 포함되는 상기 독자적 시퀀스 가운데, 디코딩 순서에 있어 최초 이미지 프레임이 되는 적어도 한 이미지 프레임의 표시를 비디오 시퀀스 안에 부호화하도록 구성됨을 특징으로 하는 비디오 인코더.
- 제5항에 있어서,상기 표시를 슬라이스(slice)의 헤더 내에 포함된 별도의 플래그(flag)로서 비디오 시퀀스 안에 부호화하도록 구성됨을 특징으로 하는 비디오 인코더.
- 제5항 또는 제6항에 있어서,넘버링(numbering) 체계에 따라 이미지 프레임들의 식별 값들을 부호화하고;독자적 시퀀스 중 상기 표시된 최초 이미지 프레임의 식별 값을 리셋시키도록 구성됨을 특징으로 하는 비디오 인코더.
- 제5항 내지 제7항 중 어느 한 항에 있어서,상기 비디오 시퀀스 안에 상기 독자적 시퀀스의 한 식별 값을 부호화하도록 구성됨을 특징으로 하는 비디오 인코더.
- 디코딩 순서에 있어 이전 기준 이미지 프레임보다 앞선 적어도 한 이전 이미지 프레임으로부터 적어도 한 기준 이미지 프레임이 예측 가능할 때, 이미지 프레임들의 독자적 시퀀스를 구비하는 비디오 시퀀스를 인코딩하기 위한 것으로서, 컴퓨터 판독가능 매체에 저장되고 데이터 처리 장치에 의해 실행되는 컴퓨터 프로그램 생성물에 있어서,적어도 한 기준 이미지 프레임이 포함되는 상기 독자적 시퀀스 가운데, 디코딩 순서에 있어 최초 이미지 프레임이 되는 적어도 한 이미지 프레임의 표시를 비디오 시퀀스 안에 부호화하도록 하는 컴퓨터 프로그램 코드를 포함함을 특징으로 하는 컴퓨터 프로그램 생성물.
- 디코딩 순서에 있어 이전 기준 이미지 프레임보다 앞선 적어도 한 이전 이미지 프레임으로부터 적어도 한 기준 이미지 프레임이 예측 가능한, 압축된 한 비디오 시퀀스를 디코딩하는 방법에 있어서,상기 비디오 시퀀스로부터, 적어도 한 기준 이미지 프레임을 포함하는 독자적 시퀀스 중, 디코딩 순서에 있어 최초의 이미지 프레임인 적어도 한 이미지 프레임의 표시를 복호화하는 단계; 및상기 독자적 시퀀스의 상기 최초 이미지 프레임부터 비디오 시퀀스의 복호화를 시작함으로써, 비디오 시퀀스가 상기 최초 이미지 프레임 이전에 복호화된 이미지 프레임으로부터의 예측 없이 복호화될 수 있게 하는 단계를 포함함을 특징으로 하는 디코딩 방법.
- 제10항에 있어서, 상기 표시는 슬라이스의 헤더 안에 포함되는 별도의 플래그임을 특징으로 하는 디코딩 방법.
- 제10항 또는 제11항에 있어서,넘버링 체계에 따라 이미지 프레임들의 식별 값들을 복호화하는 단계; 및독자적 시퀀스 가운데 상기 표시된 최초 이미지 프레임의 식별 값을 리셋시키는 단계를 포함함을 특징으로 하는 디코딩 방법.
- 디코딩 순서에 있어 이전 기준 이미지 프레임보다 앞선 적어도 한 이전 이미지 프레임으로부터 적어도 한 기준 이미지 프레임이 예측 가능한, 압축된 한 비디오 시퀀스를 디코딩하는 비디오 디코더에 있어서,상기 비디오 시퀀스로부터, 적어도 한 기준 이미지 프레임을 포함하는 독자적 시퀀스 중, 디코딩 순서에 있어 최초의 이미지 프레임인 적어도 한 이미지 프레임의 표시를 복호화하고;상기 독자적 시퀀스의 상기 최초 이미지 프레임부터 비디오 시퀀스의 복호화 를 시작함으로써, 비디오 시퀀스가 상기 최초 이미지 프레임 이전에 복호화된 이미지 프레임으로부터의 예측 없이 복호화될 수 있도록 구성됨을 특징으로 하는 비디오 디코더.
- 디코딩 순서에 있어 이전 기준 이미지 프레임보다 앞선 적어도 한 이전 이미지 프레임으로부터 적어도 한 기준 이미지 프레임이 예측 가능한, 압축된 한 비디오 시퀀스를 디코딩하기 위해, 컴퓨터 판독가능 매체에 저장되고 데이터 처리 장치에 의해 실행되는 컴퓨터 프로그램 생성물에 있어서,상기 비디오 시퀀스로부터, 적어도 한 기준 이미지 프레임을 포함하는 독자적 시퀀스 중, 디코딩 순서에 있어 최초의 이미지 프레임인 적어도 한 이미지 프레임의 표시를 복호화하기 위한 컴퓨터 프로그램 코드; 및상기 독자적 시퀀스의 상기 최초 이미지 프레임부터 비디오 시퀀스의 복호화를 시작함으로써, 비디오 시퀀스가 상기 최초 이미지 프레임 이전에 복호화된 이미지 프레임으로부터의 예측 없이 복호화될 수 있도록 하기 위한 컴퓨터 프로그램 코드를 포함함을 특징으로 하는 컴퓨터 프로그램 생성물.
- 디코딩 순서에 있어 이전 기준 이미지 프레임보다 앞선 적어도 한 이전 이미지 프레임으로부터 적어도 한 기준 이미지 프레임이 예측 가능할 때, 이미지 프레임들의 독자적 시퀀스를 구비하는 압축 비디오 시퀀스를 포함하는 비디오 신호에 있어서,적어도 한 기준 이미지 프레임이 포함되는 상기 독자적 시퀀스 가운데, 디코딩 순서에 있어 최초 이미지 프레임이 되는 적어도 한 이미지 프레임의 표시를 포함함을 특징으로 하는 비디오 신호.
- 제15항에 있어서, 상기 독자적 시퀀스의 식별 값을 포함함을 특징으로 하는 비디오 신호.
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RU2402886C2 (ru) | 2010-10-27 |
EP1479245A1 (en) | 2004-11-24 |
KR20060069527A (ko) | 2006-06-21 |
JP4819562B2 (ja) | 2011-11-24 |
EP1670259A2 (en) | 2006-06-14 |
KR100959573B1 (ko) | 2010-05-27 |
US20060120451A1 (en) | 2006-06-08 |
JP2006279971A (ja) | 2006-10-12 |
RU2006110321A (ru) | 2007-11-10 |
CN1620820A (zh) | 2005-05-25 |
MXPA04007020A (es) | 2004-10-11 |
EP1670260A3 (en) | 2010-03-03 |
RU2297729C2 (ru) | 2007-04-20 |
US8050321B2 (en) | 2011-11-01 |
CN1288915C (zh) | 2006-12-06 |
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