Image processing method, image processing device, and image proc

Details Image processing method, image processing device, and image proc Image processing method, image processing device, and image proc

1998-07-14

2000-10-31

Bruce, David V.

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

378 62, G01N 23083

Patent

active

061413992

ABSTRACT:
An image processing device for obtaining a stable image of a high quality is provided. A dynamic range compression circuit executes a dynamic range compressing process for adding a value depending on a peripheral average pixel value to a pixel value of an input image. A contrast enhancement circuit executes a contrast enhancing process to a compressed image derived by the dynamic range compression circuit. Thus, a decrease in contrast of the whole image due to an excessive increase or decrease in density of the portion where the dynamic range compressing process was executed can be prevented.

REFERENCES:
patent: 5493622 (1996-02-01), Tsuchino et al.

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