METHOD FOR AUTOMATICALLY DETERMINING REPRODUCTION PICTURE COLOR CONTROL CONDITIONS

A method for automatically determining the color control conditions such as a highlight point, shadow point, a gradation control, color correction, and so forth, for a picture reproduction for use in a picture reproducing machine such as a color scanner and a color facsimile, wherein an original picture is scanned photoelectrically to pick up color separation picture signal data of the primary colors. The signal data is classified into groups to obtain a distribution condition, and according to the distribution condition obtained the color control conditions are determined.