KR20080094047A - 다시점 비디오의 처리 - Google Patents
다시점 비디오의 처리 Download PDFInfo
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- KR20080094047A KR20080094047A KR20087019747A KR20087019747A KR20080094047A KR 20080094047 A KR20080094047 A KR 20080094047A KR 20087019747 A KR20087019747 A KR 20087019747A KR 20087019747 A KR20087019747 A KR 20087019747A KR 20080094047 A KR20080094047 A KR 20080094047A
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Abstract
Description
Claims (21)
- 제 1 프로파일 및 적어도 하나의 다시점 비디오 신호에 대한 프로파일에 따라 인코딩된 비디오 신호와, 상기 제 1 프로파일을 식별하는 프로파일 정보를, 포함하는 비트스트림을 수신하는 단계;상기 비트스트림으로부터 상기 프로파일 정보를 추출하는 단계;상기 프로파일 정보가 다시점 비디오 신호에 대응되는 경우, 다수개의 시점들과 관련된 속성 정보를 상기 비트스트림으로부터 추출하는 단계; 및상기 속성 정보에 따라 상기 비디오 신호를 디코딩하는 단계를 포함하되,상기 제 1 프로파일은 단일 시점 비디오 신호들에 대한 다수개의 프로파일들로부터 선택된 것을 나타내고,상기 속성 정보는, 각 시점들 사이의 의존 관계를 나타내는 시점간 의존 정보, 참조 시점을 나타내는 시점 식별 정보, 시점들의 개수를 나타내는 시점 개수 정보 및 시점 스케일러빌러티를 제공하는 시점 레벨 정보 중 적어도 하나를 포함하는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 제 1항에 있어서,상기 프로파일 정보는 상기 비트스트림의 헤더에 위치하는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 제 1항에 있어서,상기 시점간 의존 정보는 2차원 데이터 구조에서의 의존 관계를 나타내는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 제 3항에 있어서,상기 2차원 데이터 구조는 매트릭스로 이루어지는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 제 1항에 있어서,상기 시점 레벨 정보는 상기 다시점 비디오 신호의 시점들 간의 계층적 시점 예측 구조에 따라 시점들에 할당된 복수개의 레벨들에 대응되는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 제 5항에 있어서,주어진 시점에 있는 픽쳐의 다수개의 부분들은 대응되는 레벨을 나타내는 각각의 식별자와 관련있는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 제 6항에 있어서,상기 다수개의 부분들은 상기 픽쳐의 독립된 슬라이스들에 대응되는 것을 특 징으로 하는 비디오 신호 디코딩 방법.
- 제 7항에 있어서,각 슬라이스는 전체 픽쳐(full picture)에 대응되는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 제 5항에 있어서,주어진 레벨에 할당된 시점의 픽쳐들은 상기 주어진 레벨보다 더 낮은 레벨로 할당된 시점의 픽쳐들로부터 예측되는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 제 9항에 있어서,가장 낮은 레벨로 할당된 단일 시점의 픽쳐들은 다른 레벨의 픽쳐들로부터 예측되지 않는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 제 5항에 있어서,상기 계층적 시점 예측 구조는 하나의 기준 시점과 다수개의 보조 시점들을 포함하고,제 1 레벨 시점에 있는 픽쳐들은 상기 기준 시점에 있는 픽쳐들에 기초하여 예측되고, 상기 제 1 레벨 시점보다 상위 레벨 시점에 있는 픽쳐들은 상기 상위 레 벨에 있는 시점들의 레벨보다 더 낮은 레벨에 있는 시점들에 기초하여 예측되는 것을 특징으로 하는 비디오 신호 디코딩 방법.
- 각 시점들 간의 의존 관계에 따라 인코딩된 다시점 비디오 신호와, 2차원 데이터 구조의 의존 관계를 나타내는 시점간 의존 정보를 포함하는 비트스트림을 수신하는 단계;상기 2차원 데이터 구조를 추출하고, 상기 추출된 데이터 구조로부터 의존 관계를 결정하는 단계; 및상기 결정된 의존관계에 따라 상기 다시점 비디오 신호를 디코딩하는 단계를 포함하는 것을 특징으로 하는 다시점 비디오 신호 디코딩 방법.
- 제 12항에 있어서,상기 2차원 데이터 구조는 매트릭스로 이루어지는 것을 특징으로 하는 다시점 비디오 신호 디코딩 방법.
- 제 12항에 있어서,상기 비트스트림으로부터 속성 정보를 추출하는 단계를 더 포함하되,상기 속성 정보는, 참조 시점을 나타내는 시점 식별 정보, 시점들의 개수를 나타내는 시점 개수 정보, 시점 스케일러빌러티를 제공하는 시점 레벨 정보 및 카메라 배열을 나타내는 시점 배열 정보 중 적어도 하나를 포함하는 것을 특징으로 하는 다시점 비디오 신호 디코딩 방법.
- 제 12항에 있어서,상기 시점 레벨 정보는 상기 다시점 비디오 신호의 시점들 간의 계층적 시점 예측 구조에 따라 시점들에 할당된 복수개의 레벨들에 대응되는 것을 특징으로 하는 다시점 비디오 신호 디코딩 방법.
- 제 15항에 있어서,주어진 시점에 있는 픽쳐의 다수개의 부분들은 대응되는 레벨을 나타내는 각각의 식별자와 관련있는 것을 특징으로 하는 다시점 비디오 신호 디코딩 방법.
- 제 16항에 있어서,상기 다수개의 부분들은 상기 픽쳐의 독립된 슬라이스들에 대응되는 것을 특징으로 하는 다시점 비디오 신호 디코딩 방법.
- 제 17항에 있어서,각 슬라이스는 전체 픽쳐(full picture)에 대응되는 것을 특징으로 하는 다시점 비디오 신호 디코딩 방법.
- 제 15항에 있어서,주어진 레벨에 할당된 시점의 픽쳐들은 상기 주어진 레벨보다 더 낮은 레벨로 할당된 시점의 픽쳐들로부터 예측되는 것을 특징으로 하는 다시점 비디오 신호 디코딩 방법.
- 제 19항에 있어서,가장 낮은 레벨로 할당된 단일 시점의 픽쳐들은 다른 레벨의 픽쳐들로부터 예측되지 않는 것을 특징으로 하는 다시점 비디오 신호 디코딩 방법.
- 제 15항에 있어서,상기 계층적 시점 예측 구조는 하나의 기준 시점과 다수개의 보조 시점들을 포함하고,제 1 레벨 시점에 있는 픽쳐들은 상기 기준 시점에 있는 픽쳐들에 기초하여 예측되고, 상기 제 1 레벨 시점보다 상위 레벨 시점에 있는 픽쳐들은 상기 상위 레벨에 있는 시점들의 레벨보다 더 낮은 레벨에 있는 시점들에 기초하여 예측되는 것을 특징으로 하는 다시점 비디오 신호 디코딩 방법.
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