KR100281462B1 - 격행 부호화에서 이진 형상 신호의 움직임 벡터 부호화 방법 - Google Patents
격행 부호화에서 이진 형상 신호의 움직임 벡터 부호화 방법 Download PDFInfo
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- KR100281462B1 KR100281462B1 KR1019980011093A KR19980011093A KR100281462B1 KR 100281462 B1 KR100281462 B1 KR 100281462B1 KR 1019980011093 A KR1019980011093 A KR 1019980011093A KR 19980011093 A KR19980011093 A KR 19980011093A KR 100281462 B1 KR100281462 B1 KR 100281462B1
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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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
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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
- H04N19/50—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
-
- 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
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- 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
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
-
- 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
- H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
Abstract
Description
BAB tybe(모드) | coding condition | used in |
0 | MVD=0 & no update | P,B vop |
1 | MVD=0! & no update | P,B vop |
2 | all_0 | all vop |
3 | all_255 | all vop |
4 | intra CAE | all vop |
5 | MVD=0 & inter CAE | P,B vop |
6 | MVD!=0 & inter CAE | P,B vop |
Claims (2)
- 격행 영상 프레임의 물체 평면에서 추출한 형상 정보를 N×N의 이진 알파 블록(BAB)으로 분할하여 형상 정보의 특성을 나타내는 다수의 모드 신호 및 화소값들인 내용 정보를 CAE로 인터 부호화 또는 인트라 부호화하고, 영상 프레임의 물체 평면에서 추출한 텍스쳐 정보를 N×N의 프레임 블록으로 분할하여 프레임 기반 또는 필드 기반으로 인터 부호화 또는 인트라 부호화를 할 때, 현재 BAB와 재구성된 이전 형상 프레임간의 움직임 추정을 추출되는 움직임 벡터(MV)를 부호화하는 방법에 있어서,부호화하고자 하는 현재 N×N BAB와 상기 재구성된 이전 형상 프레임의 P×P 탐색 영역내 다수의 이전 후보 N×N BAB간의 블록 매칭을 수행하여 상기 현재 N×N BAB의 현재 MV를 추출하는 제 1 과정;상기 현재 N×N BAB에 인접하는 현재 형상 프레임내 기설정된 다수의 인접 N×N BAB의 MV들 및 상기 현재 N×N BAB에 대응하는 위치에 있는 현재 텍스쳐 프레임내 대응 N×N 텍스쳐 블록에 인접하는 기설정된 다수의 인접 N×N 텍스쳐 블록의 프레임 기반 MV들중의 어느 하나를 상기 추출된 현재 MV에 대한 제 1 움직임 벡터 예측자(MVP)로 결정하는 제 2 과정;상기 추출된 현재 MV와 상기 결정된 MVP간의 움직임 벡터 차이(MVD)를 산출하며, 이 산출된 MVD를 상기 현재 N×N BAB의 최종 MV로써 전송하는 제 3 과정; 및상기 다수의 인접 N×N BAB 및 상기 다수의 N×N 텍스쳐 블록에 프레임 기반의 MV가 존재하지 않으면, 상기 다수의 N×N 텍스쳐 블록들중 N×N 텍스쳐 블록을 각 M×N의 상부 및 하부 필드 블록으로 분할하여 추출한 두개의 필드 MV를 갖는 N×N 텍스쳐 블록의 두 필드 MV를 이용하여 상기 추출된 현재 MV에 대한 제 2 MVP를 산출하고, 상기 추출된 현재 MV와 상기 산출된 제 2 MVP간의 MVD를 산출하며, 이 산출된 MVD를 상기 현재 N×N BAB의 최종 MV로써 전송하는 제 4 과정으로 이루어진 격행 부호화에서 이진 형상 신호의 움직임 벡터 부호화 방법.
- 제 1 항에 있어서, 상기 제 4 과정은:상기 다수의 N×N 텍스쳐 블록들중 N×N 텍스쳐 블록을 각 M×N의 상부 및 하부 필드 블록으로 분할하여 추출한 두개의 필드 MV를 갖는 N×N 텍스쳐 블록이 존재하는 지의 여부를 검색하는 제 41 과정;상기 검색 결과, 상기 두개의 필드 MV를 갖는 N×N 텍스쳐 블록이 존재하면, 상기 두 필드 MV의 평균을 취하여 상기 제 2 MVP를 산출하며, 상기 추출된 현재 MV와 상기 산출된 제 2 MVP간의 MVD를 산출하고, 이 산출된 MVD를 상기 추출된 현재 N×N BAB의 최종 MV로써 전송하는 제 42 과정; 및상기 검색 결과, 상기 두개의 필드 MV를 갖는 N×N 텍스쳐 블록이 존재하지 않으면, 상기 추출된 현재 MV를 상기 현재 N×N BAB의 최종 MV로써 전송하는 제 43 과정을 포함하는 것을 특징으로 하는 격행 부호화에서 이진 형상 신호의 움직임 벡터 부호화 방법.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
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KR1019980011093A KR100281462B1 (ko) | 1998-03-30 | 1998-03-30 | 격행 부호화에서 이진 형상 신호의 움직임 벡터 부호화 방법 |
PCT/KR1998/000147 WO1999051034A1 (en) | 1998-03-30 | 1998-06-08 | Method and apparatus for encoding a motion vector of a binary shape signal |
EP98925954A EP1075765B1 (en) | 1998-03-30 | 1998-06-08 | Method and apparatus for encoding a motion vector of a binary shape signal |
AU77895/98A AU748276B2 (en) | 1998-03-30 | 1998-06-08 | Method and apparatus for encoding a motion vector of a binary shape signal |
DE1998634348 DE69834348T2 (de) | 1998-03-30 | 1998-06-08 | Verfahren und vorrichtung zur bewegungsvektorkodierung eines binären kontursignals |
ES98925954T ES2263208T3 (es) | 1998-03-30 | 1998-06-08 | Procedimiento y aparato para codificar un vector de movimiento de una señal binaria de contorno. |
CNB98102680XA CN1147153C (zh) | 1998-03-30 | 1998-06-26 | 对二进制形状信号的运动矢量进行编码的方法和装置 |
JP18874498A JP3924071B2 (ja) | 1998-03-30 | 1998-07-03 | 映像信号符号化装置 |
US09/132,663 US6243418B1 (en) | 1998-03-30 | 1998-08-12 | Method and apparatus for encoding a motion vector of a binary shape signal |
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KR1019980011093A KR100281462B1 (ko) | 1998-03-30 | 1998-03-30 | 격행 부호화에서 이진 형상 신호의 움직임 벡터 부호화 방법 |
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KR19990076276A KR19990076276A (ko) | 1999-10-15 |
KR100281462B1 true KR100281462B1 (ko) | 2001-02-01 |
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US (1) | US6243418B1 (ko) |
EP (1) | EP1075765B1 (ko) |
JP (1) | JP3924071B2 (ko) |
KR (1) | KR100281462B1 (ko) |
CN (1) | CN1147153C (ko) |
AU (1) | AU748276B2 (ko) |
DE (1) | DE69834348T2 (ko) |
ES (1) | ES2263208T3 (ko) |
WO (1) | WO1999051034A1 (ko) |
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US6094225A (en) * | 1997-12-02 | 2000-07-25 | Daewoo Electronics, Co., Ltd. | Method and apparatus for encoding mode signals for use in a binary shape coder |
US5973743A (en) * | 1997-12-02 | 1999-10-26 | Daewoo Electronics Co., Ltd. | Mode coding method and apparatus for use in an interlaced shape coder |
-
1998
- 1998-03-30 KR KR1019980011093A patent/KR100281462B1/ko not_active IP Right Cessation
- 1998-06-08 EP EP98925954A patent/EP1075765B1/en not_active Expired - Lifetime
- 1998-06-08 AU AU77895/98A patent/AU748276B2/en not_active Expired
- 1998-06-08 WO PCT/KR1998/000147 patent/WO1999051034A1/en active IP Right Grant
- 1998-06-08 ES ES98925954T patent/ES2263208T3/es not_active Expired - Lifetime
- 1998-06-08 DE DE1998634348 patent/DE69834348T2/de not_active Expired - Lifetime
- 1998-06-26 CN CNB98102680XA patent/CN1147153C/zh not_active Expired - Fee Related
- 1998-07-03 JP JP18874498A patent/JP3924071B2/ja not_active Expired - Lifetime
- 1998-08-12 US US09/132,663 patent/US6243418B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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EP1075765A1 (en) | 2001-02-14 |
AU7789598A (en) | 1999-10-18 |
CN1147153C (zh) | 2004-04-21 |
KR19990076276A (ko) | 1999-10-15 |
JPH11298906A (ja) | 1999-10-29 |
DE69834348T2 (de) | 2006-09-14 |
DE69834348D1 (de) | 2006-06-01 |
EP1075765B1 (en) | 2006-04-26 |
WO1999051034A1 (en) | 1999-10-07 |
AU748276B2 (en) | 2002-05-30 |
JP3924071B2 (ja) | 2007-06-06 |
CN1230855A (zh) | 1999-10-06 |
US6243418B1 (en) | 2001-06-05 |
ES2263208T3 (es) | 2006-12-01 |
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