Table 1.
List of parameters used in the proposed landmark detection method. The same set of parameters was used in all experiments.
Parameters | Coarse resolution | Medium resolution | Fine resolution |
---|---|---|---|
K: number of trees | 10 | ||
DTree: maximum tree depth | 12 | ||
NF: number of random features per tree | 1,500 | ||
NT: number of random thresholds per feature | 1,000 | ||
NLeaf: minimum number of data items in leaf node | 10 | ||
Rs: maximum sampling radius in training image (mm) | 160 | 80 | 40 |
|PTrain|: number of sampled points per training image | 6,000 | ||
Size (B): size of sampling bounding box in testing image (mm) | 200×200×200 | 100×100×100 | 50×50×50 |
|PTest|: number of sampled points in testing image | 125 | ||
Size(ρ): patch size (in voxels) | 30×30×30 | ||
s: side length of cubic area within the patch (in voxels) | {3, 5} | ||
Z: number of cubic functions per feature | {1, 2} | ||
MAX_JUMP: maximum number of point jumping | 10 | ||
TLen: minimum length of point jumping (in voxels) | 0.5 | ||
ε: minimum decrease in length of point jumping with tolerance (mm) | −2 |