Image-sequence compression using a motion-compensation technique

Details Image-sequence compression using a motion-compensation technique Image-sequence compression using a motion-compensation technique

1985-08-20

1988-01-05

Goldberg, E. A.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358138, 358105, H04N 712, H04N 718

Patent

active

047179562

ABSTRACT:
A motion-compensated image-sequence compression technique is disclosed in which the motion of an object point in a video screen occurring between the present frame and the following frame is predicted. The technique, useful in video teleconferencing, comprises calculating an initial estimate of the displacement of the object point and recursively updating the initial displacement estimate. The step of calculating an initial displacement comprises projecting the displacement forward along the trajectory of the motion of the object point from the present frame to the following frame.

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