Picture signal enhancement circuit includes a non-linear circuit

Details Picture signal enhancement circuit includes a non-linear circuit Picture signal enhancement circuit includes a non-linear circuit

1996-08-27

1998-03-31

Mancuso, Joseph

Image analysis

Histogram processing

With a gray-level transformation

382266, G06K 900

Patent

active

057347468

ABSTRACT:
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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patent: 5490222 (1996-02-01), Sugimoto

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