December 9, 2022 at 11:29 AM #1 Close to the picture, no problem; Mosaics will appear far away from the picture. See the picture attachment for specific contents
December 9, 2022 at 1:20 PM #2 I don't have experience with PCA, but maybe try to move your hotspots a little more further away from the wall behind it?
December 9, 2022 at 4:02 PM #3 Well, if you are far away from the back wall, the mosaic phenomenon will disappear, but if you look at it from different positions, it will be dislocated. Quote from kme I don't have experience with PCA, but maybe try to move your hotspots a little more further away from the wall behind it?