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