Charitha Weerasuriya, W. Woods, S. Ng, T. Johnstone, S. Juodkazis
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Ultraviolet light emitting diode lamp for color perception research
Color influences human decision making process, affects mood. It is important to investigate human color judgment of objects under different illumination. By controlling of a red (R), green (G), Blue (B) and Amber (A) colored lamp a MagnetoEncephaloGraphy (MEG) brain scanner was tested for its performance. We developed a software to generate all the colors in the visual spectrum, predefined white light combinations and saturation of an illuminated objects by using RGBA colors. The lamp was controlled from outside of the shielded MEG room while the LED lamp was located inside of electromagnetically shielded room. The USB was used as for LED-lamp control. To check the feasibility of using LED lamp with MEG brain scanner and showed feasibility to use the LED-lamp, color control software and MEG scanner together for human and color related research.
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