Invention Grant
- Patent Title: Method of deriving a motion vector of a bi-predictive block based on temporal distances associated with a co-located block in a reference picture
- Patent Title (中): 基于与参考图片中的同位置块相关联的时间距离导出双预测块的运动矢量的方法
-
Application No.: US11907075Application Date: 2007-10-09
-
Publication No.: US08351503B2Publication Date: 2013-01-08
- Inventor: Byeong Moon Jeon
- Applicant: Byeong Moon Jeon
- Applicant Address: KR Seoul
- Assignee: LG Electronics Inc.
- Current Assignee: LG Electronics Inc.
- Current Assignee Address: KR Seoul
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: KR60742/2002 20021004; KR61243/2002 20021008; KR71226/2002 20021115
- Main IPC: H04N7/12
- IPC: H04N7/12 ; G06K9/36
Abstract:
In one embodiment, the method includes selecting one motion vector of the co-located block in a first reference picture as the motion vector for deriving the motion vector of the bi-predictive block. A first temporal distance is derived from a difference between a current picture and a first reference picture. The current picture includes the bi-predictive block. A second temporal distance is derived from a difference between the first reference picture and a second reference picture. The selected motion vector is scaled based on the first and second temporal distances, and the motion vector of the bi-predictive block is derived based on the scaled motion vector.
Public/Granted literature
Information query
