Cognitive and Visual Aspects in Human Centric Interior Lighting

Qiang Liu is Professor at the School of Printing and Packaging at Wuhan University, China. He is an expert on color management and LED lighting design and teaches courses on applied optics. Tran Quoc Khanh is University Professor and Head of the Laboratory of Lighting Technology at the TU Darmstadt in Darmstadt, Germany. Tran Quoc Khanh authored and co-authored numerous scientific publications and invented several patents in different domains of lighting technology. Quang Trinh Vinh is development engineer at Zeiss Oberkochen, Germany. Before that, he was senior research fellow at the Laboratory of Lighting Technology of the TU Darmstadt in Darmstadt, Germany. His research and development expertise concerns the mathematical modeling of high-power LEDs and their light quality and color quality.

• 1. Introduction2. Fundamentals of Colorimetry2.1 Human Color Vision2.2 Light Sources and Illuminants 2.3 Object Color2.4 CCT and Duv2.5 Tristimulus Values and Color Matching Functions 2.6 Color Space2.7 Color Difference2.8 Photometric and Colorimetric Measurement3. Color Appearance Models3.1 Terminology3.2 View Conditions3.3 Chromatic Adaptation3.4 Recent Color Appearance Models4. Literature Review of Color Quality of Lighting4.1 CIE Specifications4.2 Industrial Applications4.3 Typical Standards5. Psychophysics5.1 Typical Methods5.2 Methodological Discussion5.3 Limitations6. The White Sensation of Lighting (White Locus and Metrics)6.1 Terminology6.2 Literature Review of White Locus6.3 Metrics for White Sensation Quantification6.4 Correlation Between White Sensation and Color Perception7. Color Fidelity7.1 Terms and Definitions7.2 Color Rendering Index (Ra)7.3 TM-30-20 Rf7.4 CIE Rf7.5 Other Metrics8. Color Preference8.1 Terms and Definitions8.2 Literature Review8.3 The Contribution of CIE8.4 Color Preference Metrics9. Color Discrimination9.1 Terms and Definitions9.2 Literature Review9.3 Color Discrimination Metrics10. Other Color Attributes (Naturalness, Comfort, Vividness)10.1 Color Naturalness10.2 Color Comfort10.3 Color Vividness10.4 Freshness for Food11. Brightness Perception11.1 Terms and Definitions11.2 Literature Review11.3 Brightness Metrics12. Visual Perception and Cognitive Performance12.1 Typical Testing Protocol12.2 Literature Review on Visual Perception 12.3 Literature Review on Cognitive Performance13. Contextual Factors Influencing Human Visual Responses13.1 Impact of Sex Difference13.2 Impact of Cultural Difference13.3 Impact of Experimental Protocol13.4 Impact of Experimental Objects13.5 Memory Colors14. The Meta-Analysis Approaches14.1 Method Introduction14.2 Necessity of Meta-Analysis14.3 Success Stories15. The Impact of Illuminance15.1 Impact of Illuminance on Color Preference 15.2 Impact of Illuminance on Color Discrimination15.3 Impact of Illuminance on Color Comfort15.4 Impact of Illuminance on Cognitive Performance16. Specific Lighting Applications16.1 Museum Lighting16.2 Food Lighting16.3 Display Lighting16.4 Cosmetic Lighting16.5 Classroom Lighting16.6 Office Lighting17. Human Centric Lighting17.1 Concept and Development17.2 Circadian Effect17.3 Non-Visual Effect of Lighting 17.4 Impact of Lighting on Emotion17.5 Impact of Lighting on Working Efficiency 18. Conclusions