TECHNIQUE FOR ENHANCING DIGITAL COLOR IMAGES BY CONTRAST STRETCHING IN MUNSELL COLOR SPACE.
By: Fred A. Kruse and Gary L. Raines
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Abstract
The Munsell color system can be used to further enhance the appearance of high-quality digital color-composite images. A color-balanced 'standard' color-composite image is first produced using any desired contrast stretching algorithm. The stretched digital data are then transformed into the cylindrical Munsell color space. An enhanced version of a color-composite image is produced by stretching the saturation parameter over the full digital range and inverting the modified Munsell coordinates to red-blue-green (tristimulus) data space. The resulting image has greater color-saturation contrast than the original image, without hue change. Contrast stretching in Munsell color space reduces the correlation between individual bands or ratios and is similar to decorrelation processing based on principal-components transforms. However, principal components are based on data variance, with less variance being explained by each higher order component.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | TECHNIQUE FOR ENHANCING DIGITAL COLOR IMAGES BY CONTRAST STRETCHING IN MUNSELL COLOR SPACE. |
| Year Published | 1984 |
| Language | English |
| Publisher | Environmental Research Inst of Michigan |
| Publisher location | Ann Arbor, MI, USA |
| First page | 755 |
| Last page | 760 |
| Conference Title | Proceedings of the International Symposium on Remote Sensing of Environment, Third Thematic Conference: Remote Sensing for Exploration Geology. |
| Conference Location | Colorado Springs, CO, USA |
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