KR100930263B1 - 반복적 인코딩 알고리즘을 이용한 비디오 압축 방법 및 그시스템 - Google Patents
반복적 인코딩 알고리즘을 이용한 비디오 압축 방법 및 그시스템 Download PDFInfo
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Abstract
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Claims (10)
- 수신된 비디오 데이터에 대해 적어도 하나의 양자화된 벡터를 생성하되, 반복적 인코딩 알고리즘을 이용하여, 상기 수신된 비디오 데이터의 적어도 일부의 코딩 레이트(coding rate)를, 상기 수신된 비디오 데이터의 압축이 이뤄지는 동안에, 앞서 생성된 적어도 하나의 양자화 벡터에 기초하여 동적으로 변경시키는 단계를 포함하되;평활화 필터에 의해 상기 수신된 비디오 데이터의 적어도 한 매크로블록에 대해 루프 필터링하는 단계;상기 적어도 하나의 양자화 벡터를 스케일링하는 단계; 및상기 압축이 이뤄지는 동안에, 상기 수신된 비디오 데이터의 상기 코딩 레이트를, 가지치기 트리 구조 코드 및 간략화 저밀도 패리티 체크 코드 중 적어도 하나를 이용하여 조절하는 단계를 더 포함하되,상기 조절 및 상기 루프 필터링은 하기의 예측 수학식 세트에 의해 모델링되어 이루어지는 것을 특징으로 하는 비디오 데이터의 처리 방법.[수학식1][수학식2][수학식3]
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- 청구항 1에 있어서,상기 압축이 이뤄지는 동안에, 상기 적어도 하나의 양자화 벡터를 동적으로 선택하는 단계; 및상기 선택된 적어도 하나의 양자화 벡터를 압축된 비트스트림의 형태로 디코더로 전송하는 단계를 더 포함하는 것을 특징으로 하는 비디오 데이터의 처리 방법.
- 비디오 데이터를 처리할 수 있는 적어도 하나의 코드부를 갖는 컴퓨터 프로그램이 탑재된 기록매체에 있어서, 상기 적어도 하나의 코드부는 기계 장치에 의해 실행될 수 있어서, 상기 기계 장치로 하여금,수신된 비디오 데이터에 대해 적어도 하나의 양자화된 벡터를 생성하되, 반복적 인코딩 알고리즘을 이용하여, 상기 수신된 비디오 데이터의 적어도 일부의 코딩 레이트(coding rate)를, 상기 수신된 비디오 데이터의 압축이 이뤄지는 동안에, 앞서 생성된 적어도 하나의 양자화 벡터에 기초하여 동적으로 변경시키는 단계를 포함하되;평활화 필터에 의해 상기 수신된 비디오 데이터의 적어도 한 매크로블록에 대해 루프 필터링하는 단계;상기 적어도 하나의 양자화 벡터를 스케일링하는 단계; 및상기 압축이 이뤄지는 동안에, 상기 수신된 비디오 데이터의 상기 코딩 레이트를, 가지치기 트리 구조 코드 및 간략화 저밀도 패리티 체크 코드 중 적어도 하나를 이용하여 조절하는 단계를 더 포함하는 단계들을 수행할 수 있게 하되,상기 조절 및 상기 루프 필터링은 하기의 예측 수학식 세트에 의해 모델링되어 이루어지는 것을 특징으로 하는 기록매체.[수학식1][수학식2][수학식3]
- 삭제
- 수신된 비디오 데이터에 대해 적어도 하나의 양자화된 벡터를 생성하되, 반복적 인코딩 알고리즘을 이용하여, 상기 수신된 비디오 데이터의 적어도 일부의 코딩 레이트(coding rate)를, 상기 수신된 비디오 데이터의 압축이 이뤄지는 동안에, 앞서 생성된 적어도 하나의 양자화 벡터에 기초하여 동적으로 변경시키는 반복적 벡터 인코더 및;상기 수신된 비디오 데이터의 적어도 한 매크로블록에 대해 루프 필터링하는 평활화 필터를 포함하되;상기 반복적 벡터 인코더는상기 적어도 하나의 양자화 벡터를 스케일링하고;상기 압축이 이뤄지는 동안에, 상기 수신된 비디오 데이터의 상기 코딩 레이트를, 가지치기 트리 구조 코드 및 간략화 저밀도 패리티 체크 코드 중 적어도 하나를 이용하여 조절하며,상기 조절 및 상기 루프 필터링은 하기의 예측 수학식 세트에 의해 모델링되어 이루어지는 것을 특징으로 하는 비디오 데이터 처리 시스템.[수학식1][수학식2][수학식3]
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US11/451,850 | 2006-06-13 | ||
US11/451,850 US20070286277A1 (en) | 2006-06-13 | 2006-06-13 | Method and system for video compression using an iterative encoding algorithm |
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CN (1) | CN101090495B (ko) |
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2006
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2007
- 2007-06-08 CN CN2007101119323A patent/CN101090495B/zh active Active
- 2007-06-13 KR KR1020070057705A patent/KR100930263B1/ko active IP Right Grant
- 2007-06-13 TW TW096121324A patent/TWI450593B/zh not_active IP Right Cessation
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2008
- 2008-05-29 HK HK08106005.2A patent/HK1115700A1/xx not_active IP Right Cessation
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2014
- 2014-07-24 US US14/340,076 patent/US20140334548A1/en not_active Abandoned
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KR0165268B1 (ko) * | 1993-05-29 | 1999-03-20 | 김광호 | 영상신호 압축부호화장치 및 그 방법 |
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TW200826693A (en) | 2008-06-16 |
CN101090495A (zh) | 2007-12-19 |
CN101090495B (zh) | 2011-05-18 |
US20140334548A1 (en) | 2014-11-13 |
KR20070118978A (ko) | 2007-12-18 |
EP1868388A3 (en) | 2010-11-03 |
US20070286277A1 (en) | 2007-12-13 |
TWI450593B (zh) | 2014-08-21 |
HK1115700A1 (en) | 2008-12-05 |
EP1868388A2 (en) | 2007-12-19 |
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