erosion_dialation

kernel is used such as 5x5
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1
1 1 1 1 1

in erosion have to match all value in kernel with input image. in dialation have to match any value in the kernel with input value .

input image

output erosion

output dialation