BioMed Research International / 2016 / Article / Tab 3

Research Article

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

Table 3

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

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

Number of vertices9809811,01110,0008,650,752
NCC of images0.97890.97920.98290.98460.9775
NRMSE of images0.19700.19540.17660.16820.2035
NCC of DVF0.76870.76800.76720.76490.6292
NRMSE of DVF1.38751.13580.97050.97771.0317

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

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