BioMed Research International / 2016 / Article / Tab 2

Research Article

3D-2D Deformable Image Registration Using Feature-Based Nonuniform Meshes

Table 2

Evaluation of reconstruction accuracy based on a digital XCAT male phantom.

Uniform orthogonal gridUniform tetrahedron meshNonuniform tetrahedron meshNonuniform tetrahedron meshVoxel-based method

Number of vertices1,0509871,00510,0048,650,762
NCC of images0.98290.98350.98550.98580.9872
NRMSE of images0.17490.17050.16120.15930.1514
NCC of DVF0.76900.78290.81500.82650.6061
NRMSE of DVF1.23661.09230.81180.80591.2484

Note. The three mesh-based methods are run through 100 iterations, while the voxel-based method needs 200 iterations.

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