Research Article

Sparse Codebook Model of Local Structures for Retrieval of Focal Liver Lesions Using Multiphase Medical Images

Table 2

Retrieval accuracy of different methods at various most similar numbers of cases being retrieved.

MethodsTop 1Top 3Top 5Top 10Top 20

Proposed method0.660.680.650.620.59
Mean intensity method0.610.60.60.60.56
K-means based on local patch0.720.650.640.610.56
LBP method0.340.310.320.280.25