초록 ▼

A motion detector for detecting the occurrence of image changes between successive fields of video information includes a signal averager for averaging the video signal from two lines of video signal of one video field and a signal averager for averaging the video signal from three lines of video si

A motion detector for detecting the occurrence of image changes between successive fields of video information includes a signal averager for averaging the video signal from two lines of video signal of one video field and a signal averager for averaging the video signal from three lines of video signal of a successive field. The two average video signals are coupled to comparing means which develops a motion indicating signal when the two average video signals differ.

대표청구항 ▼

In a video signal processing apparatus; circuitry for detecting image motion comprising: a signal input for applying a video signal; delay means coupled to said signal input and having a first plurality including one, of signal paths for providing video signals from a first field of the video signal

In a video signal processing apparatus; circuitry for detecting image motion comprising: a signal input for applying a video signal; delay means coupled to said signal input and having a first plurality including one, of signal paths for providing video signals from a first field of the video signal, and having a second plurality, including at least two, of signals paths for providing at least two video signals from a second field of the video signal different from said first field wherein the video signals from said first and second fields are separated by substantially an odd integral number, including one, of field intervals and said at least two video signals are separated from each other by an integral number, including one, of horizontal line intervals; first conbining means coupled to said second plurality of signal paths for summing said at least two video signals, to produce a video signal representing approximately like spatial image points as said video signal from said first field; means, including means coupled to said first plurality of signal paths and said first combining means for comparing video signals from said first plurality of signal paths with video signals from said first combining means and generating a motion indicating signal having a first state when video signals from said first and second fields differ, and having a second state otherwise.