International Journal of Biomedical Imaging / 2009 / Article / Tab 1 / Research Article
Segmentation of Striatal Brain Structures from High Resolution PET Images Table 1 BP ND values, NAS values, the number of voxels in each brain structure, and PPV values computed based on the ideal phantom and the realistic noise phantom.
Mean
value NAS # voxels PPV Ideal phantom Caudate Average Automatic 1.614 0.9834 3672 0.8295 Average Ground truth 1.641 6190 Ventral striatum Average Automatic 1.351 0.9817 2325 0.0714 Average Ground truth 1.376 954 Putamen Average Automatic 2.698 0.9897 4874 0.9984 Average Ground truth 2.726 6289 Posterior Putamen Average Automatic 2.524 0.9230 2639 0.4433 Average groung truth 2.726 1929 Anterior Putamen Average Automatic 2.911 0.9993 2235 0.9817 Average Ground truth 2.913 4360 Realistic noise phantom Caudate Average Automatic 1.655 0.9915 4340 0.7005 Average Ground truth 1.641 6190 Ventral striatum Average Automatic 1.403 0.9806 2399 0.0354 Average Ground truth 1.376 954 Putamen Average Automatic 2.854 0.9541 5063 0.9891 Average Ground truth 2.726 6289 Posterior Putamen Average Automatic 2.591 0.9492 2271 0.5042 Average Ground truth 2.726 1929 Anterior Putamen Average Automatic 2.804 0.9619 2792 0.9362 Average Ground truth 2.913 4360
