The original image.
Result of two grayscale dilations of blb1 using
a 3×3 square structuring element.
Result of five grayscale dilations of blb1
using a 3×3 square structuring element.
Result of two grayscale erosions of blb1
using a 3×3 square structuring element.
Result of five grayscale erosions of blb1
using a 3×3 square structuring element.