Image-processing device for estimating the motion of objects sit

Details Image-processing device for estimating the motion of objects sit Image-processing device for estimating the motion of objects sit

1987-04-09

1988-07-26

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358135, 358136, 375 27, H04N 7137

Patent

active

047604450

ABSTRACT:
A TV image processing device includes a Kalman filtering estimation member (50) which provides for each image point "i" having coordinates Z.sub.i a displacement vector DK(Z.sub.i) based on information contained in two successive images I(Z.sub.i,t) and I(Z.sub.i,t-TR) separated by a period TR. It further includes a second estimation member (60) for providing for each point "i" a displacement vector DB(Z.sub.i), a quality measuring member (70) for evaluating the vectors DK(Z.sub.i) and DB(Z.sub.i) and for influencing a selector (80) for the vectors so as to select that one of the two vectors DB(Z.sub.i) and DK(Z.sub.i) which provides the best estimation quality for the output vector D(Z.sub.i). The Kalman filtering member has an input (90) for receiving the selected vector D(Z.sub.i).

REFERENCES:
patent: 4232400 (1980-11-01), Yamamoto
patent: 4307420 (1981-12-01), Ninomiya
patent: 4591908 (1986-05-01), Hirano

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