Any removed energy, is collected per pixel and re-distributed across the image in a second pass, giving the user intuitive control, via the 'Grain Dispersion' parameter, over a hard upper size limit beyond which grain is no longer smoothed out.
I'm relatively new to image processing and just wanted to say how straight forward and powerful StarTools is.
Please refer to the video description below the video for the source data and other helpful links.
StarTools keeps a detailed log of what modules and parameters you used.
You can convert everything you see to a format you find convenient. Give it a try!