CN1122421C - 用于图象信号编码系统的运动矢量估算方法和设备 - Google Patents
用于图象信号编码系统的运动矢量估算方法和设备 Download PDFInfo
- Publication number
- CN1122421C CN1122421C CN95108674A CN95108674A CN1122421C CN 1122421 C CN1122421 C CN 1122421C CN 95108674 A CN95108674 A CN 95108674A CN 95108674 A CN95108674 A CN 95108674A CN 1122421 C CN1122421 C CN 1122421C
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- China
- Prior art keywords
- characteristic point
- motion vector
- mentioned
- pixel
- group
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/001—Model-based coding, e.g. wire frame
Abstract
Description
主准特征点位置和当前六边形中每个象素的位置之间的距离范围 | 权重因子 |
0-1.9 | 1 |
2-3.9 | 0.8 |
4-5.9 | 0.6 |
6- | 0.4 |
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN95108674A CN1122421C (zh) | 1995-08-04 | 1995-08-04 | 用于图象信号编码系统的运动矢量估算方法和设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN95108674A CN1122421C (zh) | 1995-08-04 | 1995-08-04 | 用于图象信号编码系统的运动矢量估算方法和设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1142728A CN1142728A (zh) | 1997-02-12 |
CN1122421C true CN1122421C (zh) | 2003-09-24 |
Family
ID=5076839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN95108674A Expired - Lifetime CN1122421C (zh) | 1995-08-04 | 1995-08-04 | 用于图象信号编码系统的运动矢量估算方法和设备 |
Country Status (1)
Country | Link |
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CN (1) | CN1122421C (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4724351B2 (ja) * | 2002-07-15 | 2011-07-13 | 三菱電機株式会社 | 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、および通信装置 |
EP1586199A4 (en) * | 2003-01-23 | 2009-09-23 | Thomson Licensing | METHOD AND DEVICE FOR PREVENTING ERROR SPREAD IN A VIDEO SEQUENCE |
KR100612849B1 (ko) * | 2003-07-18 | 2006-08-14 | 삼성전자주식회사 | 영상 부호화 및 복호화 장치 및 방법 |
CN102801972B (zh) * | 2012-06-25 | 2017-08-29 | 北京大学深圳研究生院 | 基于特征的运动矢量估计和传递方法 |
KR20210068537A (ko) * | 2018-10-08 | 2021-06-09 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 코딩 블록의 기하학적 분할의 인터 예측을 위한 장치 및 방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992003799A1 (en) * | 1990-08-15 | 1992-03-05 | Televerket | Method of motion compensation and elastic deformation in picture sequences |
US5295201A (en) * | 1992-01-21 | 1994-03-15 | Nec Corporation | Arrangement of encoding motion image signals using motion compensation and orthogonal transformation |
EP0632657A1 (en) * | 1993-06-02 | 1995-01-04 | Oy Nokia Ab | Method of prediction of a video image |
-
1995
- 1995-08-04 CN CN95108674A patent/CN1122421C/zh not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992003799A1 (en) * | 1990-08-15 | 1992-03-05 | Televerket | Method of motion compensation and elastic deformation in picture sequences |
US5295201A (en) * | 1992-01-21 | 1994-03-15 | Nec Corporation | Arrangement of encoding motion image signals using motion compensation and orthogonal transformation |
EP0632657A1 (en) * | 1993-06-02 | 1995-01-04 | Oy Nokia Ab | Method of prediction of a video image |
Also Published As
Publication number | Publication date |
---|---|
CN1142728A (zh) | 1997-02-12 |
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