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. Author manuscript; available in PMC: 2014 Aug 1.
Published in final edited form as: IEEE Trans Med Imaging. 2013 Apr 30;32(8):10.1109/TMI.2013.2260763. doi: 10.1109/TMI.2013.2260763

Table II.

Quantitative Segmentation Performance Indices of Methods PA, NA, and NR for the Luminal and Eel Surfaces on 41 Ivus Data Sets. The mean ± standard deviation are Given for Each Index.

PA-lumen NA-lumen NR-lumen PA-EEL NA-EEL NR-EEL
ds (mm) −0.182 ± 0.119 −0.007 ± 0.044 −0.013 ± 0.026 −0.252 ± 0.240 −0.049 ± 0.107 0.024 ± 0.034
du (mm) 0.238 ± 0.104 0.109 ± 0.033 0.092 ± 0.020 0.384 ± 0.158 0.148 ± 0.089 0.088 ± 0.025
drms (mm) 0.378 ± 0.175 0.168 ± 0.055 0.138 ± 0.038 0.563 ± 0.190 0.264 ± 0.169 0.136 ± 0.043
As (mm2) −2.452 ± 1.995 −0.005 ± 0.624 −0.108 ± 0.340 −3.489 ± 3.067 −0.578 ± 1.495 0.367 ± 0.601
Au (mm2) 2.573 ± 1.960 0.749 ± 0.406 0.551 ± 0.221 4.618 ± 2.134 1.559 ± 1.118 0.793 ± 0.435
Arms (mm2) 3.624 ± 2.532 1.124 ± 0.668 0.817 ± 0.437 5.919 ± 2.478 2.348 ± 1.611 1.173 ± 0.650