Apparatus and method for spectral enhancement of body-surface images to improve sensitivity of detecting subtle color features
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United States of America Patent
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Aug 31, 1993
Issued Date -
N/A
app pub date -
Oct 31, 1990
filing date -
Apr 13, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for spectrally-enhancing images of a body surface includes the step of increasing the Saturation values of each pixel in the image. The methods increase the sensitivity with which a human observer can detect certain reflected wavelengths. Where the body surface is skin, for example, the method can be used to detect melanoma or other conditions where there is a deep dermal pigment characterized by a visible blue backscatter, or to detect the visible red backscatter characteristic of erythema. Also, apparatus for spectrally-enhancing images of a body surface includes means for color imaging the surface, means for increasing the saturation of the color in that image, and means for displaying the color-saturated image.
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