Although a methodology for grasping the distribution of photometric values from images has existed for a long time, with the recent spread of digital cameras, it is becoming easy for using image photometry to evaluate lighting environment. It is important to understand the overview of the measurement system in order to perform the measurement that suits your purpose. Therefore, this report explains the basic principle of imaging photometric system, the basic configuration of imaging photometric system, and the basic procedure of system calibration.
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