Li et al. Table 1. Accuracy Results for Different One- and Two-Band Combinations using LDspectral, and (in the last three rows) the Results from [1] with Three Different Algorithms Band 1 2 3 4 5 6 7 1 0.934 0.940 0.944 0.945 0.943 0.943 0.933 2 - 0.931 0.942 0.936 0.942 0.937 0.930 3 - - 0.939 0.939 0.943 0.940 0.939 4 - - - 0.929 0.940 0.932 0.930 5 - - - - 0.942 0.938 0.937 6 - - - - - 0.919 0.925 7 - - - - - - 0.886 Mahalanobis distance - - - - - - 0.689 Spectral angle - - - - - - 0.897 Spectral information divergence similarity - - - - - - 0.896 Table 2. Execution Times for Different Single- and Dual-Band Combinations. Band 1 2 3 4 5 6 7 1 62.5 68.4 67.2 66.9 67.5 68.4 66.5 2 - 62.3 68.2 68.4 68.0 69.7 68.2 3 - - 62.8 67.4 66.9 68.5 66.9 4 - - - 63.1 67.4 69.0 66.8 5 - - - - 63.0 68.8 66.8 6 - - - - - 62.2 68.4 7 - - - - - - 63.4 NOTE: The results here are given in milliseconds. Each entry in the table represents the average time to perform background subtraction (including the entire processing chain shown in Figure 3 on a single input image). Table 3. Derived Values for PBC Parameters (rounded to tenths) JULY 2017 Band 2 3 4 5 6 7 1 0.7 0.4 0.6 0.3 0.7 0.9 2 - 0.3 0.7 0.4 0.5 0.8 3 - - 0.9 0.5 0.7 0.9 4 - - - 0.4 0.5 0.9 5 - - - - 0.5 0.9 6 - - - - - 0.8 IEEE A&E SYSTEMS MAGAZINE 55