International Commission on Illumination
The International Commission on Illumination or French Commission Internationale de l'Éclairage (CIE) or Engl. International Commission on Illumination is an independent non-profit organization with the aim of international cooperation and the exchange of information in all matters relating to science and the art of lighting .
The CIE was founded in the early 20th century; the head office is in Vienna . The organization is recognized by the ISO as an international standards body; The CIE works in cooperation with the ISO, the International Electrotechnical Commission and the European Committee for Standardization .
The most important activity is the development of the XYZ color space , also known as the CIE standard valence system of perceptible colors , and its further developments, such as the L * a * b * system .
The CIE has over a hundred publications on various aspects of lighting; The ISO / CIE standards and the IEC / CIE International Lighting Vocabulary are of particular importance .