Method and apparatus for video signal encoding with motion compe

Details Method and apparatus for video signal encoding with motion compe Method and apparatus for video signal encoding with motion compe

1979-03-16

1980-08-19

Murray, Richard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

375 28, H04N 712

Patent

active

042187044

ABSTRACT:
A motion compensated video encoder includes apparatus (100) for recursively updating an estimate of displacement in the moving area of a picture, and for predicting the intensity values of elements of the picture using the displacement estimate. Address information is encoded for background (non-moving) elements and for moving elements for which the motion compensated prediction errors are satisfactorily small. For uncompensable pels, where the error exceeds a threshold, both address information and error values are encoded. The displacement estimate can also be encoded, if desired.

REFERENCES:
patent: 3603725 (1971-09-01), Cutler
patent: 3632865 (1972-01-01), Haskell et al.
patent: 3716667 (1973-02-01), Conner et al.
patent: 3723644 (1973-03-01), Haskell et al.
patent: 3890462 (1975-06-01), Limb et al.
patent: 4133006 (1979-01-01), Iinuma
patent: 4144543 (1979-03-01), Koga
"A Method for the Construction of Minimum-Redundancy Codes" Proc. of I.R.E., 1952, pp. 1098-1101.
"Television Bandwidth Compression Utilizing Frame to Frame Correlation and Movement Compensation" Symposium on Picture Bandwidth Compression (MIT, Cambridge, Mass.) Gordon & Breach, 1972 pp. 673-693.

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