Automatic Segmentation of Anatomical Structures from CT Scans of Thorax for RTP

Table 5

Comparison of VOR (%) for the 10 CT scans of the 10 cancer patients.

OARs	Method
	Our method	de Nunzio et al. [7]	Yim and Hong [10]	Wang et al. [11]	Banik et al. [27]
Left lung	98.70 ± 1.32	96.50 ± 0.91	—	—	—
Right lung	98.70 ± 0.86	96.30 ± 1.12	—	—	—
Lungs (together)	98.70 ± 1.27	—	97.10 ± 1.02	95.40 ± 1.82	—
Trachea/main bronchi	94.30 ± 3.93	94.60 ± 3.35	94.60 ± 2.87	93.00 ± 3.63	—
Spinal canal	96.50 ± 3.67	—	—	—	96.70 ± 3.59