WhiteWashing Algo - Working

It took a bit longer than expected, but I have finally fixed the script to detect the shirorekha and whitewash over them.
I will write more about what I was doing wrong and how I fixed it later.
Sample Input :

 Sample Output : (NOTE : The black highlights show the marked coordinates)

Actual whitewashed Output :

On a Closer looks, we can see :

Here, we can see that the white-lines are too thin. Hence, next step to do for me is to find some appropriate values of padding around the coordinates when doing the whitewash.

So Long.