Semester Project in Matlab (Dilation & Erosion)

DILATION:
The process of dilation here involves a structuring 
element of order 3*3 or any odd order, the values 
to each of its pixels is binary 1.the central pixel of
the structuring element imposes on each of the
pixel of the object or the image.if the value of the
center pixel of the structuring element and object
is the same i.e 1(one),it assigns all the overlapping
pixels the value of 1.that is it dilates the image or
the object.otherwise it moves to the next pixel.
For writing the code in Matlab for dilation, we need
to use 'if ' condition in this way:
If ((origin of structuring element) ==255) then make
all pixels 1 for whole range of structuring element.
This was our pseudo code for process of dilation.

EROSION:

The process of erosion here involves a structuring
 element of order 3*3.the values to each of its pixels
 is binary 1. the central pixel of the structuring
 element imposes on each of the pixel of the object
 or the image.If the value of the center pixel of the
 structuring element and all the pixels overlapping
 with the pixels of the object are the same i.e if
 they are 1,keep the pixel.otherwise move to the
 next pixel.
The pseudo code for erosion process is like this:
If((origin of structuring element) == 255
&& (whole range of structuring element) ==255*9) 
then center will remain equal to 1.