Particular embodiments relate generally to display systems and, more particularly, to display systems and methods for blending multiple images. A display system may include a first display source configured to generate a first image comprising illuminated points on a display surface, and a measurement device configured to measure an output energy value of the first image at output wavelengths for input values provided to the first display source. A normalized response function of the first display source corresponding to the measured output energy values for each output wavelength may be generated. A first response function that includes one or more of the normalized response functions of the first display source may be generated to derive corrected image input values corresponding to a desired output energy value at one or more illuminated points. The first display source may be controlled by applying the corrected input values.
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