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Figure 13. Reflectance of the painted wooden samples calculated accor-
ding to measured luminances.
Figure 12. Luminance values of the painted wooden samples, measured
at the middle point of each sample in the center of Artificial Sky.
Figure 11. The set of 13 low dynamic (LD) images of the Blue room, taken with different exposures, the step is 1 EV.
Figure 15. Answers to the questionnaire about one-coloured models - Part 1 - “Do you expe-
rience the room to be dark or bright?” The unit of measurements is the amount of answers
(mark at a certain cell of a scale from very dark to very bright. Total amount of the observers:
32.
Figure 14. Illuminance in a central point inside the scale
models. During the measurement process, models were
arranged under the Artificial Sky as in Figure 3, the il-
luminance were measured at the floor level.