Morphological image processing

A number of binary image processing operations which were developed from a set theoretical approach that comes under the headings of Mathematical Morphology[?]. Some morphological operations are:

• Erosion
• Dilation
• Opening[?]
• Closing[?]
• Shrinking[?]
• Thinning[?]
• Thickening[?]
• Skeletonization[?]
• Pruning[?]