Multiview Self-Supervised Segmentation for OARs Delineation in Radiotherapy

Table 1

Comparison of the proposed method with the state-of-the-art supervised methods (the higher the Dice, the better).

OARs	Our’s	Ua-Net [3]	Anatomy-Net [4]
Brain	0.970	N/A	N/A
Brain stem	0.860	0.881	0.826
Spinal cord	0.862	0.856	0.803
Spinal cord cavity	0.891	N/A	N/A
Eye L	0.927	0.897	0.884
Eye R	0.927	0.919	0.892
Len L	0.801	0.793	0.772
Len R	0.821	0.746	0.78
Optical nerve L	0.798	0.693	0.725
Optical nerve R	0.750	0.718	0.729
Chiasm	0.770	0.618	0.605
Pituitary	0.724	N/A	N/A
Parotid L	0.837	0.839	0.822
Parotid R	0.872	0.847	0.822
Oral cavity	0.901	0.948	0.876
Mandible	0.921	0.925	0.919
Mandible joint L	0.873	0.824	0.816
Mandible joint R	0.865	0.837	0.817
Temporal lobe L	0.896	0.8478	0.866
Temporal lobe R	0.901	0.8413	0.857
Larynx	0.899	0.933	0.83
Pharynx	0.794	N/A	N/A
Trachea	0.866	0.812	0.793
Thyroid	0.857	0.827	0.718
Mean	0.86	0.83	0.80