Automated image enhancement for laser line scan data

Details Automated image enhancement for laser line scan data Automated image enhancement for laser line scan data

1998-08-10

2000-08-01

Rogers, Scott

Image analysis

Image enhancement or restoration

Intensity, brightness, contrast, or shading correction

382168, G06T 540, G06T 550

Patent

active

06097849&

ABSTRACT:
To produce an enhanced image, the contrast of the image is first measured computing a central histogram moment. The image is scaled at each pixel thereof based on the central histogram moment and the maximum value of the image's dynamic range resulting in the generation of a scaled image. An estimate of the image background is subtracted from the scaled image to produce a low contrast enhancement value and added to the scaled image to produce a high contrast enhancement value. A portion of the low contrast enhancement value is summed with a complimentary portion of the high contrast enhancement value to generate an enhanced image intensity at each pixel.

REFERENCES:
patent: 5093871 (1992-03-01), Klein et al.
patent: 5710842 (1998-01-01), Lee
patent: 5995656 (1999-11-01), Kim

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