U-Net(bbox)F1_pix0.683F1_reg0.538F1_sam0.84NoteTraining with bounding-box annotationsSettingSetting4GroupF1_pixF1_regF1_samGroup10.7220.6520.952Group20.7270.6250.864Group30.6760.4570.83Group40.7120.440.755Group50.5770.5160.801