Multispectral colormapping using penalized least square regression

Publication: Research - peer-reviewJournal article – Annual report year: 2010

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The authors propose a novel method to map a multispectral image into the device independent color space CIE-XYZ. This method provides a way to visualize multispectral images by predicting colorvalues from spectral values while maintaining interpretability and is tested on a light emitting diode based multispectral system with a total of 11 channels in the visible area. To obtain interpretable models, the method estimates the projection coefficients with regard to their neighbors as well as the target. This results in relatively smooth coefficient curves which are correlated with the CIE-XYZ color matching functions. The target of the regression is a well known color chart, and the models are validated using leave one out cross validation in order to maintain best possible generalization ability. The authors compare the method with a direct linear regression and see that the interpretability improves significantly but comes at the cost of slightly worse predictability.
Original languageEnglish
JournalJournal of Imaging Science and Technology
Publication date2010
Volume54
Issue3
Pages0304011-0304016
ISSN1062-3701
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 2
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