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These three pictures were used for the test images. The ISO SCID image data were transformed to 256 index colors, then they were printed with the ink-jet type printer. Then, tristimulus values of 256 colors of each image under two kinds of fluorescent lamp, 3000K and 5000K, were measured with a a spectral radiometer.
The image size is 7.5 degree by 7.5 degree, and it has 1 degree white band in its surround.
