Research Article

Automatic Spine Tissue Segmentation from MRI Data Based on Cascade of Boosted Classifiers and Active Appearance Model

Table 3

Comparison (percentage) of True Positive Fraction, False Negative Fraction, and False Fraction for automatically segmented data using presented method and manually segmented data from each expert.

Iteration Expert 1 Expert 2 Expert 3 Expert 4 Expert 5 Mean
TPF FNF FF TPF FNF FF TPF FNF FF TPF FNF FF TPF FNF FF TPF FNF FF

085.6914.3181.5086.4613.5481.1383.3316.6779.0583.7216.2879.2387.7012.3080.8185.3814.6280.34
188.7611.2486.8189.6910.3186.7686.1813.8284.0386.6213.3884.3190.869.1486.2888.4211.5885.64
290.029.9888.5891.138.8788.9187.5112.4986.0087.9512.0586.2792.187.8288.1589.7610.2487.58
391.088.9289.7492.227.7890.1388.5811.4287.2389.0011.0087.4593.426.5889.6590.869.1488.84
491.568.4490.1492.687.3290.5089.0610.9487.6889.5210.4887.9793.876.1390.0091.348.6689.26
591.978.0390.5193.136.8790.9389.4310.5787.9789.8910.1188.2594.215.7990.2091.738.2789.57
692.147.8690.6193.296.7191.0089.6610.3488.1890.089.9288.4194.365.6490.2491.918.0989.69
792.117.8990.5893.286.7291.0289.6310.3788.1590.039.9788.3494.385.6290.3191.898.1189.68
892.197.8190.7093.306.7091.0289.7010.3088.2590.139.8788.5194.395.6190.2891.948.0689.75
992.047.9690.5793.206.8090.9989.5810.4288.1690.019.9988.4294.325.6890.3291.838.1789.69
1092.037.9790.5493.206.8090.9989.5610.4488.1489.9910.0188.3794.225.7890.1091.808.2089.63
1192.147.8690.6493.246.7690.9589.6310.3788.1790.059.9588.3894.365.6490.2791.888.1289.68
1292.247.7690.7193.376.6391.0689.7710.2388.2890.179.8388.4994.455.5590.3092.008.0089.77
1392.247.7690.7193.376.6391.0689.7710.2388.2890.179.8388.4994.455.5590.3092.008.0089.77
1492.457.5591.1193.566.4491.4289.9310.0788.6190.339.6788.7994.565.4490.4992.177.8390.08
1592.447.5691.0793.566.4491.4089.9510.0588.6390.359.6588.8094.525.4890.4092.177.8390.06
1692.587.4291.2193.656.3591.4590.069.9488.7190.479.5388.9094.555.4590.3192.267.7490.11
1792.617.3991.1993.676.3391.4190.099.9188.6990.499.5188.8794.565.4490.2392.287.7290.08
1892.647.3691.1993.686.3291.3790.109.9088.6690.549.4688.9294.565.4490.1992.317.6990.07
1992.707.3091.2193.756.2591.3990.189.8288.7290.609.4088.9494.605.4090.1692.377.6390.09
2092.617.3991.0793.686.3291.3090.119.8988.6290.559.4588.8794.535.4790.0592.307.7089.98
2192.757.2591.1793.786.2291.3390.259.7588.7390.679.3388.9494.655.3590.1092.427.5890.05
2292.757.2591.1793.786.2291.3090.269.7488.7290.699.3188.9794.635.3790.0592.427.5890.04
2392.747.2691.1293.786.2291.2890.259.7588.7190.699.3188.9694.645.3690.0792.427.5890.03
2492.717.2991.0993.746.2691.2490.239.7788.7090.689.3288.9694.615.3990.0392.397.6190.00
2592.787.2291.1493.786.2291.2190.309.7088.7490.749.2688.9894.705.3090.1192.467.5490.04