Hallo, this plugin can be used to adjust the white balance of a picture based on the white and black patch a standard color chart in the scene. It will use their known sRGB values to bring the image closer to sRGB specs, but it is NOT a full color calibration as described on my website at C4Real. Useful in medical photography, forensics, etc. ... version 1.0 ----------- Supported charts: MacBeth Color Checker Chart A4 and small, QP Card 201. Instructions: - Install plugin - Set primary co