Research Article

Sparse Representation of Deformable 3D Organs with Spherical Harmonics and Structured Dictionary

Table 4

Subspace dimension and sparsity ( 𝜇 / 𝜎 ) for intramodel experiment.

𝑋 ( 𝜇 / 𝜎 ) 𝑌 ( 𝜇 / 𝜎 ) 𝑍 ( 𝜇 / 𝜎 )EOF (%)Haus (mm)

𝐽 / 𝐼 1/17 2/31 2/31
Train (SRDS) 16.9/0.4 15.5/1.5 15.8/1.5 0.240.55
Test (SRDS) 17.0/0.0 16.9/0.3 16.7/0.9 0.640.87
Test (OSP) 16.6/1.5 16.3/0.9 17.1/0.8 0.600.85