Table 5: Comparison of three meshes on the data of five head and neck cancer patients.

PatientsUniform orthogonal gridUniform tetrahedron meshNonuniform tetrahedron mesh

H&N01
 Number of vertices9369921,007
 NCC0.83270.83580.8460
 NRMSE0.49880.49380.4792
H&N02
  Number of vertices1,0409901,000
 NCC0.90360.91220.9134
 NRMSE0.41820.41160.4084
H&N03
  Number of vertices9801,000998
 NCC0.84700.84710.8482
 NRMSE0.47480.47430.4722
H&N04
  Number of vertices1,0011,0001,000
 NCC0.77560.78060.8111
 NRMSE0.58410.58170.5567
H&N05
  Number of vertices9801,000995
 NCC0.75650.76900.7843
 NRMSE0.62780.60920.5712

Note. The three mesh-based methods are run through 50 iterations.