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Picture signal enhancement circuit includes a non-linear circuit for enhancing the picture signal in dependence of histograms measured at transitions in the picture signal
Picture signal enhancement circuit includes a non-linear circuit for enhancing the picture signal in dependence of histograms measured at transitions in the picture signal
In a picture signal enhancement circuit having a circuit (3) for measuring a histogram and a non-linear processing circuit (1), coupled to the measuring circuit (3), for enhancing the picture signal in dependence upon the measured histogram, the histogram is measured only at transitions in the picture signal.
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