Table 5.

Experiment 3—Detailed DSC and SMBD performances after training at specific compression ratios of 48:1, 64:1, and 96:1 and testing at several compression ratios for 3D U-Net segmentation of the bladder on CT and CBCT images.

Bladder		Compression ratio
		1:1	24:1	32:1	48:1	64:1	96:1	128:1
DSC	3D FT 48 CT	$0.912\pm 0.024$	$0.905\pm 0.037$	$0.900\pm 0.040$	$0.887\pm 0.050$	$0.857\pm 0.075$	$0.738\pm 0.139$	$0.339\pm 0.302$
	3D FT 64 CT	$0.901\pm 0.015$	$0.904\pm 0.035$	$0.899\pm 0.040$	$0.889\pm 0.051$	$0.870\pm 0.073$	$0.779\pm 0.144$	$0.406\pm 0.310$
	3D FT 96 CT	$0.892\pm 0.057$	$0.883\pm 0.047$	$0.881\pm 0.047$	$0.877\pm 0.045$	$0.870\pm 0.046$	$0.834\pm 0.072$	$0.605\pm 0.205$
	3D FT 48 CBCT	$0.874\pm 0.071$	$0.862\pm 0.084$	$0.853\pm 0.087$	$0.835\pm 0.092$	$0.797\pm 0.101$	$0.685\pm 0.112$	$0.414\pm 0.155$
	3D FT 64 CBCT	$0.851\pm 0.087$	$0.849\pm 0.095$	$0.840\pm 0.100$	$0.826\pm 0.106$	$0.802\pm 0.114$	$0.728\pm 0.106$	$0.483\pm 0.144$
	3D FT 96 CBCT	$0.823\pm 0.102$	$0.814\pm 0.099$	$0.807\pm 0.102$	$0.796\pm 0.106$	$0.780\pm 0.111$	$0.741\pm 0.097$	$0.592\pm 0.104$
SMBD	3D FT 48 CT	$1.420\pm 0.512$	$1.531\pm 0.627$	$1.647\pm 0.710$	$1.895\pm 0.941$	$2.325\pm 1.388$	$3.861\pm 2.134$	$9.339\pm 5.203$
	3D FT 64 CT	$1.501\pm 0.554$	$1.594\pm 0.594$	$1.694\pm 0.731$	$1.892\pm 0.970$	$2.167\pm 1.395$	$3.372\pm 2.203$	$8.712\pm 4.890$
	3D FT 96 CT	$1.845\pm 0.645$	$1.926\pm 0.609$	$1.959\pm 0.555$	$2.015\pm 0.575$	$2.103\pm 0.737$	$2.675\pm 1.330$	$6.046\pm 3.676$
	3D FT 48 CBCT	$2.012\pm 1.287$	$2.110\pm 1.348$	$2.248\pm 1.454$	$2.537\pm 1.598$	$2.978\pm 1.686$	$4.028\pm 1.337$	$7.555\pm 2.211$
	3D FT 64 CBCT	$2.275\pm 1.564$	$2.366\pm 1.613$	$2.487\pm 1.708$	$2.681\pm 1.852$	$2.971\pm 1.976$	$3.685\pm 1.598$	$6.968\pm 2.140$
	3D FT 96 CBCT	$2.685\pm 1.495$	$2.795\pm 1.510$	$2.946\pm 1.652$	$3.093\pm 1.813$	$3.276\pm 1.936$	$3.570\pm 1.577$	$5.338\pm 1.641$