Improvement and Optimization of a 3D Reconstruction Algorithm for SEM Images of Porous Materials

Table 3

Porosity of each sample at different unit body sizes.

Unit length (pixels)	Sample 1	Sample 2	Sample 3
12	0.95971	0.72774	0.42106
24	0.94117	0.63002	0.35040
36	0.84414	0.52746	0.32491
48	0.73488	0.45411	0.31143
60	0.52119	0.38342	0.22431
72	0.44802	0.34614	0.22388
84	0.40205	0.31535	0.23450
96	0.37209	0.30007	0.23158
108	0.35407	0.29256	0.21633
120	0.34615	0.28357	0.20914
132	0.34600	0.27362	0.20133
144	0.34305	0.26655	0.19302
156	0.34154	0.25846	0.18960
168	0.34154	0.25846	0.18923
180	0.33715	0.25487	0.18197