KR100542445B1 - 동영상 부호화기에서의 움직임 벡터 추정 방법 - Google Patents
동영상 부호화기에서의 움직임 벡터 추정 방법 Download PDFInfo
- Publication number
- KR100542445B1 KR100542445B1 KR1020050058257A KR20050058257A KR100542445B1 KR 100542445 B1 KR100542445 B1 KR 100542445B1 KR 1020050058257 A KR1020050058257 A KR 1020050058257A KR 20050058257 A KR20050058257 A KR 20050058257A KR 100542445 B1 KR100542445 B1 KR 100542445B1
- Authority
- KR
- South Korea
- Prior art keywords
- motion vector
- vector
- weight
- horizontal
- vertical
- Prior art date
Links
Images
Classifications
-
- 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
-
- 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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- 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
- H04N19/557—Motion estimation characterised by stopping computation or iteration based on certain criteria, e.g. error magnitude being too large or early exit
-
- 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
- H04N19/57—Motion estimation characterised by a search window with variable size or shape
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Image Analysis (AREA)
Abstract
Description
Claims (5)
- 동영상 움직임 벡터 추정 방법에 있어서,N 개의 이전 매크로 블록에 대한 움직임 벡터를, 수직 정보 벡터와 수평 정보 벡터로 나누어서 검출하는 1단계;상기 검출된 수직 정보 벡터와 수평 정보 벡터의 평균값 또는 중간값을 절대값의 차로 비교하여 가중치를 산출하는 2단계; 및상기 산출된 가중치를 부여하여, 현재 매크로 블록에 대한 움직임 벡터를 추정하기 위한 탐색 영역을 장방형, 수직 형태, 수평 형태 중 어느 하나로 가변 조절하는 3단계를 포함하여 이루어지는 것을 특징으로 하는 동영상 부호화기에서의 움직임 벡터 추정 방법.
- 제 1항에 있어서,상기 1단계는, 6 개의 이전 매크로 블록들에 대한 움직임 벡터를, 수직 정보 벡터와 수평 정보 벡터로 나누어서 각각 검출하는 것을 특징으로 하는 동영상 부호화기에서의 움직임 벡터 추정 방법.
- 삭제
- 제 1항에 있어서,상기 3단계는, 상기 가중치가, 사전에 설정된 기준 범위 내의 값을 갖는 경우, 상기 탐색 영역이 장방형이 되도록 하는 것을 특징으로 하는 동영상 부호화기에서의 움직임 벡터 추정 방법.
- 제 1항에 있어서,상기 3단계는, 상기 가중치가, 사전에 설정된 기준 범위 미만의 값을 갖는 경우, 상기 탐색 영역이 수평 형태가 되도록 하고, 상기 기준 범위를 초과하는 값을 갖는 경우, 상기 탐색 영역이 수직 형태가 되도록 하는 것을 특징으로 하는 동영상 부호화기에서의 움직임 벡터 추정 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050058257A KR100542445B1 (ko) | 2005-06-30 | 2005-06-30 | 동영상 부호화기에서의 움직임 벡터 추정 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050058257A KR100542445B1 (ko) | 2005-06-30 | 2005-06-30 | 동영상 부호화기에서의 움직임 벡터 추정 방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100542445B1 true KR100542445B1 (ko) | 2006-01-11 |
Family
ID=37178119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050058257A KR100542445B1 (ko) | 2005-06-30 | 2005-06-30 | 동영상 부호화기에서의 움직임 벡터 추정 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100542445B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010038961A2 (ko) * | 2008-09-30 | 2010-04-08 | 에스케이텔레콤 주식회사 | 복수 개의 움직임 벡터 추정을 이용한 움직임 벡터 부호화/복호화 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치 |
-
2005
- 2005-06-30 KR KR1020050058257A patent/KR100542445B1/ko active IP Right Grant
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010038961A2 (ko) * | 2008-09-30 | 2010-04-08 | 에스케이텔레콤 주식회사 | 복수 개의 움직임 벡터 추정을 이용한 움직임 벡터 부호화/복호화 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치 |
WO2010038961A3 (ko) * | 2008-09-30 | 2010-06-24 | 에스케이텔레콤 주식회사 | 복수 개의 움직임 벡터 추정을 이용한 움직임 벡터 부호화/복호화 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치 |
US8811487B2 (en) | 2008-09-30 | 2014-08-19 | Sk Telecom Co., Ltd. | Method and apparatus for inter prediction decoding with selective use of inverse quantization and inverse transform |
US9137532B2 (en) | 2008-09-30 | 2015-09-15 | Sk Telecom Co., Ltd. | Method and an apparatus for inter prediction decoding with selective use of inverse quantization and inverse transform |
US9264731B2 (en) | 2008-09-30 | 2016-02-16 | Sk Telecom Co., Ltd. | Method and an apparatus for decoding a video |
US9264732B2 (en) | 2008-09-30 | 2016-02-16 | Sk Telecom Co., Ltd. | Method and an apparatus for decoding a video |
US9326002B2 (en) | 2008-09-30 | 2016-04-26 | Sk Telecom Co., Ltd. | Method and an apparatus for decoding a video |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6418168B1 (en) | Motion vector detection apparatus, method of the same, and image processing apparatus | |
JP2007124408A (ja) | 動きベクトル検出装置および動きベクトル検出方法 | |
KR101443701B1 (ko) | 적응형 움직임 탐색 범위 결정 장치 및 방법 | |
KR20040028911A (ko) | 비디오 프레임간 움직임 추정용 방법 및 장치 | |
JP2006313950A (ja) | 画像符号化装置、及び画像符号化方法 | |
KR20030080419A (ko) | 모션벡터결정방법 | |
US7852939B2 (en) | Motion vector detection method and device of the same | |
KR100542445B1 (ko) | 동영상 부호화기에서의 움직임 벡터 추정 방법 | |
US8837595B2 (en) | Motion estimation method | |
US20040105589A1 (en) | Moving picture compression/coding apparatus and motion vector detection method | |
JPH089379A (ja) | 動きベクトル検出方法 | |
JP2007158855A (ja) | 動きベクトル検出装置および動きベクトル検出方法 | |
JP2005167976A (ja) | 動きベクトル検出装置及び動きベクトル検出プログラム | |
US20140072179A1 (en) | Image processing apparatus with detection of motion vector between images, control method therefor, and storage medium storing control program therefor | |
Li et al. | Efficient search and mode prediction algorithms for motion estimation in H. 264/AVC | |
JP4035560B2 (ja) | 動き推定方法 | |
US20060062305A1 (en) | Method for block-matching motion estimation with effective computation while small motion movement | |
JP4035903B2 (ja) | 動きベクトル検出方法及び装置 | |
EP3855736A1 (en) | Image decoding device, image encoding device, image processing system, and program | |
JP2006254347A (ja) | 画像符号化装置 | |
KR0180171B1 (ko) | 블록 움직임 추정 방법 | |
JP3237815B2 (ja) | 動きベクトル探索方法および装置 | |
KR20080022843A (ko) | 움직임 벡터를 이용한 탐색 영역 조절 방법 | |
JP2000059786A (ja) | 動き検出装置及び方法 | |
JP3458473B2 (ja) | 動きベクトル検出装置及び方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
A302 | Request for accelerated examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130104 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20140106 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20150106 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20160105 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20161222 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20171204 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20181211 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20191210 Year of fee payment: 15 |