KR20070028395A - 랜덤 액세스 가능한 영상 정보 기록 매체, 기록 방법, 재생장치 및 재생 방법 - Google Patents
랜덤 액세스 가능한 영상 정보 기록 매체, 기록 방법, 재생장치 및 재생 방법 Download PDFInfo
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- KR20070028395A KR20070028395A KR20067025372A KR20067025372A KR20070028395A KR 20070028395 A KR20070028395 A KR 20070028395A KR 20067025372 A KR20067025372 A KR 20067025372A KR 20067025372 A KR20067025372 A KR 20067025372A KR 20070028395 A KR20070028395 A KR 20070028395A
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Abstract
Description
Claims (6)
- 프레임 내 부호화 화상인 I픽쳐, 1장의 프레임으로부터 예측되는 블록 집합체의 예측 부호화 화상인 P픽쳐 및 2장의 프레임으로부터 예측되는 블록 집합체의 예측 부호화 화상인 B픽쳐로 이루어지는 영상 단위에 의해 구성되는 영상 데이터가 기록되어, 랜덤 액세스 가능한 영상 정보 기록 매체로서,상기 랜덤 액세스 가능한 위치로서 지정되는 액세스 포인트로 되는 픽쳐의 디코드 순서를 나타내는 정보와,픽쳐가 당해 액세스 포인트의 다음 액세스 포인트의 디코드에 필요한 픽쳐인지, 액세스 포인트로 되는 픽쳐인지를 나타내는 속성 정보가 배치되는 것을 특징으로 하는 영상 정보 기록 매체.
- 제 1 항에 있어서,상기 액세스 포인트로 되는 픽쳐는 상기 I픽쳐 또는 상기 P픽쳐인 것을 특징으로 하는 영상 정보 기록 매체.
- 프레임 내 부호화 화상인 I픽쳐, 1장의 프레임으로부터 예측되는 블록 집합체의 예측 부호화 화상인 P픽쳐 및 2장의 프레임으로부터 예측되는 블록 집합체의 예측 부호화 화상인 B픽쳐로 이루어지는 영상 단위에 의해 구성되는 영상 데이터를 기록하고,랜덤 액세스 가능한 위치로서 지정되는 액세스 포인트의 픽쳐의 디코드 순서를 나타내는 정보와,픽쳐가 당해 액세스 포인트의 다음 액세스 포인트의 디코드에 필요한 픽쳐인지, 액세스 포인트로 되는 픽쳐인지를 나타내는 속성 정보가 배치되는 것을 특징으로 하는 영상 정보 기록 방법.
- 제 3 항에 있어서,상기 액세스 포인트로 되는 픽쳐는 상기 I픽쳐 또는 상기 P픽쳐인 것을 특징으로 하는 영상 정보 기록 방법.
- 청구항 1에 기재된 영상 정보 기록 매체에 기록되어 이루어지는 영상 데이터를 재생하는 정보 재생 장치로서,상기 영상 정보 기록 매체로부터 상기 디코드 순서를 나타내는 정보와 상기 속성 정보를 취득하는 수단과,상기 취득된 표시 시간 정보에 근거하여, 사용자의 재생 지정 위치에 가장 가까운 액세스 포인트를 특정하여 상기 픽쳐를 취득하는 수단과,상기 속성 정보에 근거하여, 상기 취득한 픽쳐로부터 재생해야 할 픽쳐를 선택해서 상기 액세스 포인트로 되는 픽쳐로부터의 재생을 행하는 수단을 구비하는 것을 특징으로 하는 영상 정보 재생 장치.
- 청구항 1에 기재된 영상 정보 기록 매체에 기록되어 이루어지는 영상 데이터를 재생하는 정보 재생 방법으로서,상기 영상 정보 기록 매체로부터 상기 표시 시간 정보와 상기 속성 정보를 취득하고,상기 취득된 디코드 순서를 나타내는 정보에 근거하여, 사용자의 재생 지정 위치에 가장 가까운 액세스 포인트를 특정하여 상기 픽쳐를 취득하고,상기 속성 정보에 근거하여, 상기 취득한 픽쳐로부터 재생해야 할 픽쳐를 선택해서 상기 액세스 포인트로 되는 픽쳐로부터의 재생을 행하는 것을 특징으로 하는 영상 정보 재생 방법.
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
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JP2004195476 | 2004-07-01 | ||
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