Polynomial Regression Spectra Reconstruction of Arctic Charr’s RGB
Arctic Charr (Salvelinus alpinus L.) exhibit red ornamentation at abdomen area during the mating season. The redness is caused by carotenoid components and it assumed to be related to the vitality, nutritional status, foraging ability and generally health of the fish. To assess the carotenoid amount, the spectral data is preferred but it is not always possible to measure it. Therefore, an RGB-to-spectra transform is needed. We test here polynomial regression model with different training sets to find good model especially for Arctic charr.
KeywordsArctic Charr (Salvelinus alpinus L.) carotenoid spectral data sRGB to spectra transform
- 1.Urho, L., Lehtonen, H.: Fish species in Finland. Riista- ja kalatalous - selvityksiä 18/2008 Finnish Game and Fisheries Research Institute, Helsinki (2008)Google Scholar
- 5.Hardeberg, J.Y.: Acquisition and reproduction of colour images: colorimetric and multispectral approaches. Ph.D dissertation (Ecole Nationale Superieure des Telecommunications), Paris, France (1999)Google Scholar
- 7.Shatilova, Y.: Color Image Technique in Fish Research, Master thesis, University of Joensuu (2008)Google Scholar