TABLE 1.

DSCs for each target organ in the PDDCA dataset.

Organ	C	D	B	B+RS (Proposed)	B+ARS (Proposed)
Brainstem	0.824±0.005	0.823±0.016	0.830±0.020	0.849±0.008	0.856±0.009
Chiasm	0.264±0.100	0.489±0.037	0.488±0.010	0.462±0.023	0.494±0.028
Mandible	0.883±0.059	0.904±0.020	0.905±0.012	0.935±0.002	0.938±0.002
Optic Nerve Left	0.131±0.187	0.700±0.012	0.660±0.011	0.703±0.009	0.679±0.013
Optic Nerve Right	0.261±0.204	0.669±0.008	0.672±0.015	0.693±0.016	0.682±0.013
Parotid Left	0.811±0.013	0.842±0.016	0.829±0.035	0.849±0.010	0.863±0.005
Parotid Right	0.776±0.019	0.802±0.013	0.831±0.006	0.829±0.015	0.829±0.005
Submandibular Left	0.702±0.037	0.755±0.021	0.768±0.017	0.771±0.009	0.789±0.006
Submandibular Right	0.728±0.056	0.759±0.001	0.779±0.027	0.789±0.018	0.815±0.010
Average	0.598±0.011	0.749±0.008	0.751±0.008	0.764±0.002	0.772±0.003

C, D, B, B+RS, B+ARS stand for the cross-entropy loss, Dice loss, baseline loss, a combination of the baseline loss and region-specific loss, and a combination of the baseline loss and adaptive region-specific loss, respectively. The best results are highlighted in bold.