Motion vector

In video compression, a motion vector is the key element in the motion estimation process. It is used to represent a macroblock in a picture based on the position of this macroblock (or a similar one) in another picture, called the reference picture.

The H.264/MPEG-4 AVC standard defines motion vector as:

motion vector: A two-dimensional vector used for inter prediction that provides an offset from the coordinates in the decoded picture to the coordinates in a reference picture.^{[1] [2]}

See also

• Video coding
• Motion estimation

References

1. ^ Latest working draft of H.264/MPEG-4 AVC. Retrieved on 2008-02-29.
2. ^ Latest working drat of H.264/MPEG-4 AVC on hhi.fraunhofer.de.