Assessing the strength of self-subtraction effects. From left to right: Total intensity image computed using DI-sNMF, which serve as input for the “forward modeling”-like exercise (I_disk). The next three panels show the results when first subtracting I_disk, I_disk × 0.95, and I_disk × 0.9 to the original datacube and performing DI-sNMF. The color scale is the same for all panels of one row. From top to bottom we show the results for HD 157857, HD 115600, and HD 129590, respectively.