Motion detecting circuit utilizing inter-frame difference signal

Details Motion detecting circuit utilizing inter-frame difference signal Motion detecting circuit utilizing inter-frame difference signal

1984-07-23

1986-12-02

Shepperd, John W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 11, 358105, H04N 900

Patent

active

046268910

ABSTRACT:
A motion detecting circuit suitable for detecting object-movement on an interlaced TV signal includes at least three field memories, subtracters, absolute circuits and an adder circuit. The motion detector evaluates object-movement by accumulating frame difference signals between adjacent fields.

REFERENCES:
patent: 4288815 (1981-09-01), Miles
patent: 4530004 (1985-07-01), Achiha et al.

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