Matrix Calculations for Digital Photography
The Fifth Color Imaging Conference: Color Science, Systems, and Applications
Different digital cameras have different spectral sensitivities and opto-electronic conversion functions (OECF’s), and therefore produce different data about the same scene. Correct interpretation of the data requires that it be presented in some sort of standard form. The most rigorous way to do this is to provide the raw data along with the camera color channel OECF’s and spectral sensitivities. Another option is to transform the data itself into some sort of standard form with assumed OECF and spectral characteristics, or to specify a transformation. There are a number of paths to take in determining such transformations. The results obtained are variable, and depend on the scene and capture device spectral characteristics, and how the transformation to the standard data form was determined. [via]
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