Research Article

Patch-Based Segmentation with Spatial Consistency: Application to MS Lesions in Brain MRI

Table 1

Comparison of current method to three state-of-the-art methods on clinical brain image data from the public part of MICCAI 08 challenge [22]. TPR, PPV, and DSC are in %, where 100 is perfect segmentation.

Patient Souplet et al. [15] Geremia et al. [14] Weiss et al. [16] Current method
TPR PPV TPR PPV TPR PPV DSC TPR PPV DSC

UNC011 1 2 1 33 29 31 0 0 0
UNC0237 39 48 36 54 51 53 67 34 45
UNC0312 16 24 35 64 27 38 57 25 35
UNC0438 54 54 38 40 51 45 65 17 27
UNC0538 8 56 19 25 10 16 36 9 14
UNC0657 9 15 8 13 55 20 37 69 48
UNC0727 18 76 16 44 23 30 51 48 49
UNC0827 20 52 32 43 13 20 24 11 15
UNC0916 43 67 36 69 6 11 29 35 32
UNC1022 28 53 34 43 23 30 44 45 45

Average28 24 45 26 43 29 29 41 29 31

CHB01 22 41 49 64 60 58 59 40 33 36
CHB02 18 29 44 63 27 45 34 41 11 17
CHB03 17 21 22 57 24 56 34 47 19 27
CHB04 12 55 31 78 27 66 38 37 7 12
CHB05 22 42 40 52 29 33 31 58 25 35
CHB06 13 46 32 52 10 36 16 43 38 41
CHB07 13 39 40 54 14 48 22 34 50 41
CHB08 13 55 46 65 21 73 32 48 52 50
CHB09 3 18 23 28 5 22 8 31 23 26
CHB10 5 18 23 39 15 12 13 13 28 18

Average 14 36 35 55 23 45 29 39 29 30