Motion compensation is an algorithmic technique employed in the encoding of video data for video compression, for example in the generation of MPEG-2 files. Motion compensation describes a picture in terms of the transformation of a reference picture to the current picture. The reference picture may be previous in time or even from the future. When images can be accurately synthesised from previously transmitted/stored images, the compression efficiency can be improved.
Read more about Motion Compensation: How It Works, Illustrated Example, Motion Compensation in MPEG, Global Motion Compensation, Block Motion Compensation, Variable Block-size Motion Compensation, Overlapped Block Motion Compensation, Quarter Pixel (QPel) and Half Pixel Motion Compensation, 3D Image Coding Techniques
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“Speech belongs half to the speaker, half to the listener. The latter must prepare to receive it according to the motion it takes.”
—Michel de Montaigne (1533–1592)
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—Ralph Waldo Emerson (1803–1882)