I want to thin handwritten characters like shown below:
Code below giv
Yes.
The consensus is that your code is ok. However, to give Shai some mileage on his points, I add a minor comment:
The use of imcomplement
may not be necessary, see the documentation.
In particular:
Tip If IM is a grayscale or RGB image of class double, you can use the expression 1-IM instead of this function.
If IM is a binary image, you can use the expression ~IM instead of this function.