Manipulating exposure and color channels# RGB to grayscale RGB to grayscale RGB to HSV RGB to HSV Histogram matching Histogram matching Adapting gray-scale filters to RGB images Adapting gray-scale filters to RGB images Separate colors in immunohistochemical staining Separate colors in immunohistochemical staining Filtering regional maxima Filtering regional maxima Gamma and log contrast adjustment Gamma and log contrast adjustment Histogram Equalization Histogram Equalization Tinting gray-scale images Tinting gray-scale images Local Histogram Equalization Local Histogram Equalization 3D adaptive histogram equalization 3D adaptive histogram equalization