Method and apparatus for freezing a television picture

Details Method and apparatus for freezing a television picture Method and apparatus for freezing a television picture

1986-06-20

1987-07-07

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358105, 358136, 358140, H04N 514

Patent

active

046790845

ABSTRACT:
Method and apparatus for producing a frozen television picture are disclosed. Successive fields of picture information are generated by an interpolator which is responsive to a video input signal. These successive fields are applied to the input of a first field store device. The video input signal is applied to the input of a second field store device so that the successive fields of the video input signal correspond in time to the successive fields generated by the interpolator. Lines from the respective field store devices are sequenced repetitively to form a video signal representing the frozen television picture. The interpolator generates fields which, when displayed with corresponding fields of the video input signal, minimizes motion-induced artifacts without unduly degrading vertical resolution.

REFERENCES:
patent: 4272787 (1981-06-01), Michael et al.
patent: 4383272 (1983-05-01), Netravali et al.
patent: 4400719 (1983-08-01), Powers
patent: 4602275 (1986-07-01), Smith et al.
patent: 4612567 (1986-09-01), Pritchard

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