Method and device to estimate motion in a sequence of moving pic

Details Method and device to estimate motion in a sequence of moving pic Method and device to estimate motion in a sequence of moving pic

1988-03-22

1989-08-01

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358136, H04N 712

Patent

active

048537756

ABSTRACT:
The method consists in estimating motion by performing a gradient algorithm which minimalizes the mean square deviation of local luminance variations of the present pel of the picture with the pel that is homologous with it in the prior picture, in initializing the execution of the algorithm by displacement values estimated along several directions within the close causal neighborhood of the present pel and in propagating each estimate in the scanning direction if the picture lines.

REFERENCES:
patent: 4232338 (1980-11-01), Netravali et al.
patent: 4496972 (1985-01-01), Lippmann et al.
patent: 4677476 (1987-06-01), Kondo
patent: 4710809 (1987-12-01), Ries et al.
patent: 4710812 (1987-12-01), Murakami et al.
patent: 4769826 (1988-09-01), Kubo et al.
IEEE ICASSP 85 Proceesings, Tampa, Fla., Mar. 26-29, 1985, vol. 1, pp. 347-350, IEEE, New York, U.S.; R. J. Moorhead et al.: "Motion-Compensated Interframe Coding", En entier.
IEEE Transactions on Communications, vol. COM-32, No. 8, Aug. 1984, pp. 954-968, IEEE, New York, U.S.; S. Sabri: "Movement Compensated Interframe Prediction for NTSC Color TV Signals", p. 958, colonne de gauche, ligne 26-p. 960, colonne de droite, ligne 9.
Proceedings of Eusipco-80, Lausanne, Sep. 16-18, 1980, pp. 143-148, Eurasip, North-Holland Publishing Co., Amsterdam, NL; A. N. Netravali et al., "Interframe Coding with Recursive Motion Estimation", p. 143, colonne de gauche, ligne 1-p. 145, colonne de droite, ligne 37.

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