Don't drag the corners of the bounding box! Then everything is scaled and the stars bigger. Instead, move the top star (with the dot) directly. or Use in the Repeat Options (see screenshot from @Ton Frederiks ) the right dropdown to set the new radius. Votes 1 Upvot...
Full size image Effects of the Expansion and Constrain-to-Boundary Losses.By construction, the constrain-to-boundary loss encourages nearby regions of similar color to have the same label. However, this is often not enough to turn the weak localization cues into segmentation masks that cover a w...