Write the values of a mask/kernel of a 33 filter that returns a positive value if the average value
of the 8-adjacent neighbours is less than the centre and a negative value otherwise.
Write the values of a maskkernel of a 3�3 filter that returns a posi.pdf
1. Write the values of a mask/kernel of a 33 filter that returns a positive value if the average value
of the 8-adjacent neighbours is less than the centre and a negative value otherwise