This task related to the Central Limit Theorem of the Digital Signal Processing course:

Find $108$ bit, $256$x$256$ gray level images from the internet.

Calculate and plot the pmf for each separately.

Add the pixel values of $4$ of them and create a new image.

Plot the pmf of the total image.

Do the same for all $8$ images.

Do the same for $10$ images.

Write its C# code and report the observations.

NOTE: Please explain clearly the part of downloading the images after finding them on the internet and integrating them into the code in a folder.