Examples of random Gaussian mean placements for different <i>N</i>_<i>E</i> from the manually designed initial points (black points).

<p>The red pixels represent the outer border of the active region of the image, and the yellow pixels represent a forbidden region which is 3 pixels thick. The jittered mean points were restricted to be placed inside the inner region (including the green pixels) which is surrounded by the inner border (green).