Method and circuit for reducing the influence of a bright image

Details Method and circuit for reducing the influence of a bright image Method and circuit for reducing the influence of a bright image

1990-01-04

1991-09-17

Kostak, Victor R.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358168, A61B 104, H04N 5235

Patent

active

050499890

ABSTRACT:
A method and circuit reduces the influence of a bright image area in an endoscope image signal. From the endoscope image signal, a signal component of the bright image area of a level difference from the periphery above a predetermined value and a spatial size below a predetermined value are extracted. The part, corresponding to the bright image area in the image signal or a signal based on the image signal, is depressed using the signal component of the bright image area.

REFERENCES:
patent: 4667225 (1987-05-01), Kanda
patent: 4799106 (1989-01-01), Moore et al.
patent: 4834070 (1989-05-01), Saitou

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