Measurement method and device of light source parameters, illumination system and terminal apparatus

A measurement device of light source parameters, comprising a color sensor, a signal preprocessing circuit, a feature constructing circuit, a light source type classification circuit and a color rendering index prediction circuit, wherein:

• the color sensor is configured for outputting signal values of a light source to be measured, and the color sensor comprises at least six response channels;
• the signal preprocessing circuit is configured for preprocessing the signal values output from the color sensor, and the preprocessing comprises normalization processing and standardization processing;
• the feature constructing circuit is configured for constructing model features according to the signal values that have been preprocessed;
• the light source type classification circuit is configured for determining a light source type of the light source to be measured according to the model features;
• and
• the color rendering index prediction circuit is configured for inputting the model features and the light source type that has been determined into a color rendering index prediction model to obtain a color rendering index of the light source to be measured.

An illumination system comprising a measurement device of light source parameters, an illumination system communication circuit, a control terminal, and an illumination device, wherein:

• the measurement device of light source parameters comprises a color sensor, a signal preprocessing circuit, a feature constructing circuit, a light source type classification circuit and a color rendering index prediction circuit;
• the color sensor is configured for outputting signal values of a light source to be measured, and the color sensor comprises at least six response channels;
• the signal preprocessing circuit is configured for preprocessing the signal values output from the color sensor, and the preprocessing comprises normalization processing and standardization processing;
• the feature constructing circuit is configured for constructing model features according to the signal values that have been preprocessed;
• the light source type classification circuit is configured for determining a light source type of the light source to be measured according to the model features;
• the color rendering index prediction circuit is configured for inputting the model features and the light source type that has been determined into a color rendering index prediction model to obtain a color rendering index of the light source to be measured;
• and
• the control terminal is configured for obtaining the light source parameters of the illumination device obtained by the measurement device of light source parameters through the illumination system communication circuit, and controlling the illumination device according to the light source parameters and/or displaying the light source parameters.