changePixelColor        Change all specified pixels to a new color
countColors             Count the number of pixels within a color range
                        or ranges
countColorsInDirectory
                        Count colors within range(s) in every image in
                        a directory
plotArrayAsImage        Plot a 3D array as an RGB image
rectangularRange        Find pixels within a target color range defined
                        by boundaries in each channel
sphericalRange          Find pixels within a target color range defined
                        by a center and search radius
