Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1989-06-13
1990-05-08
Groody, James J.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358136, 358140, H04N 514
Patent
active
049243055
ABSTRACT:
A motion detecting circuit is used for a motion-adapted scanning line interpolating circuit in a television system. The motion detecting circuit comprises an inter-frame correlation detecting circuit for detecting and outputting the value of correlation of video signals between adjacent frames, an inter-field correlation detecting circuit for detecting and outputting the value of correlation of signals of corresponding pixels between adjacent fields and an adjusting circuit for adjusting the output of the inter-frame correlation detecting circuit in accordance with the correlation value outputted from the inter-field correlation detecting circuit. An interlace
on-interlace signal converting circuit is also provided with the motion detecting circuit.
REFERENCES:
patent: 4626891 (1986-12-01), Achiha
patent: 4733297 (1988-03-01), Katsumata et al.
"IDIV and Digital Techniques"; Proceedings at the National Convention of the Institute of Television Engineers of Japan; pp. 49-52; Aug. '86.
Ito Hiroshi
Kubota Sadao
Nakagawa Isao
Ozawa Toshimitsu
Shibata Tatsuo
Groody James J.
Hitachi , Ltd.
Kostak Victor R.
Mitsubishi Electric Corporation
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