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.
| Methods | Top 1 | Top 3 | Top 5 | Top 10 | Top 20 |
| Proposed method | 0.66 | 0.68 | 0.65 | 0.62 | 0.59 | Mean intensity method | 0.61 | 0.6 | 0.6 | 0.6 | 0.56 | K-means based on local patch | 0.72 | 0.65 | 0.64 | 0.61 | 0.56 | LBP method | 0.34 | 0.31 | 0.32 | 0.28 | 0.25 |
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