KR100535994B1 - 율-제한 움직임 추정 방법 - Google Patents
율-제한 움직임 추정 방법 Download PDFInfo
- Publication number
- KR100535994B1 KR100535994B1 KR10-2002-0086452A KR20020086452A KR100535994B1 KR 100535994 B1 KR100535994 B1 KR 100535994B1 KR 20020086452 A KR20020086452 A KR 20020086452A KR 100535994 B1 KR100535994 B1 KR 100535994B1
- Authority
- KR
- South Korea
- Prior art keywords
- rate
- motion estimation
- motion vector
- motion
- present
- Prior art date
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (2)
- 블록 기반의 비디오 압축기에서 시간적 중복성을 제거하기 위한 율-제한 움직임 추정 방법에 있어서,율-제한 움직임 추정에서 움직임 추정의 왜곡 측도로 을 사용하고, 가중 요소 λ로 를 사용하여 아래의 수학식을 만족하는 가중 요소를 선택하는 단계와;상기 가중 요소를 이용하여 움직임 벡터를 추정하는 단계와;상기 움직임 벡터 추정 결과의 잔여신호 부호화에 대한 통계적 특성을 반영하는 단계와;상기 통계적 특성의 반영 결과를 이용하여 제로 벡터의 유사도 측도 SAD 값이 보다 작은 경우 제로 움직임 벡터 선호를 수행하는 단계를 포함하는 것을 특징으로 하는 율-제한 움직임 추정 방법.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0086452A KR100535994B1 (ko) | 2002-12-30 | 2002-12-30 | 율-제한 움직임 추정 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0086452A KR100535994B1 (ko) | 2002-12-30 | 2002-12-30 | 율-제한 움직임 추정 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040061047A KR20040061047A (ko) | 2004-07-07 |
KR100535994B1 true KR100535994B1 (ko) | 2005-12-12 |
Family
ID=37352635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-2002-0086452A KR100535994B1 (ko) | 2002-12-30 | 2002-12-30 | 율-제한 움직임 추정 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100535994B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100647297B1 (ko) * | 2003-11-26 | 2006-11-23 | 삼성전자주식회사 | 컬러영상의 레지듀변환/역변환 방법 및 장치, 그를 이용한컬러영상 부호화/ 복호화 방법 및 장치 |
KR100606140B1 (ko) * | 2004-11-09 | 2006-08-01 | (주)씨앤에스 테크놀로지 | 적응적 모드 결정에 의한 움직임 예측방법 |
CN104023225B (zh) * | 2014-05-28 | 2016-08-31 | 北京邮电大学 | 基于空时域自然场景统计特征的无参考视频质量评估方法 |
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2002
- 2002-12-30 KR KR10-2002-0086452A patent/KR100535994B1/ko active IP Right Grant
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Publication number | Publication date |
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KR20040061047A (ko) | 2004-07-07 |
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