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Auto Color Adjustment

Methods which provide color adjustment without input parameters.

With these techniques, all result is given by the auto analysis from the input image.

0. Input RGB image

1. Equalize (Automatic contrast enhancement)

Automatic contrast enhancement using histogram equalization for each channel.

2. RGB component stretch

Feature scaling, using min-max normalization to stretch each channel to 0.0-1.0 range.

3. HSV component stretch

Stretch components from HSV space to 0.0-1.0 range, only preserving the hue channel.