Table 7 The brightness of object categories (ground, building, water, Sky, plants) of individual images for each studied site (DGGD, GMS, GZGD, YZJGD, YHSW) (winter).
Study site | Brightness ratio | Ground(%) | Building(%) | Water(%) | Sky(%) | Plant(%) |
|---|---|---|---|---|---|---|
Site1(DGGD) | Very Low Brightness | —— | —— | —— | —— | —— |
Low Brightness | 55.76 ± 8.53 | 74.15 ± 7.17 | 28.16 ± 14.27 | —— | 83.66 ± 4.08 | |
Medium Brightness | 9.63 ± 6.31 | 10.32 ± 2.75 | 69.88 ± 13.92 | —— | 7.50 ± 2.60 | |
High Brightness | —— | —— | 1.76 ± 0.38 | 98.32 ± 0.87 | 1.30 ± 1.30 | |
Site2(GMS) | Very Low Brightness | —— | —— | —— | —— | 24.55 ± 24.55 |
Low Brightness | —— | 87.76 ± 3.29 | 53.58 ± 4.01 | 0.09 ± 0.09 | 71.45 ± 26.60 | |
Medium Brightness | —— | 10.19 ± 2.93 | 45.93 ± 3.96 | 1.77 ± 1.77 | 1.32 ± 0.73 | |
High Brightness | —— | —— | —— | 97.07 ± 1.46 | —— | |
Site3(GZGD) | Very Low Brightness | —— | —— | —— | —— | —— |
Low Brightness | 72.72 ± 9.11 | 80.87 ± 0.32 | 63.59 ± 5.13 | 0.23 ± 0.23 | 70.43 ± 2.39 | |
Medium Brightness | 23.97 ± 12.00 | 17.55 ± 1.00 | 35.92 ± 5.57 | 1.26 ± 0.6 | 15.48 ± 3.55 | |
High Brightness | —— | 0.54 ± 0.54 | —— | 97.96 ± 0.58 | 11.91 ± 6.59 | |
Site4(YHSW) | Very Low Brightness | —— | —— | —— | —— | —— |
Low Brightness | 57.85 ± 26.76 | 73.29 ± 8.36 | 42.97 ± 22.71 | —— | 87.18 ± 3.03 | |
Medium Brightness | 32.19 ± 29.21 | 17.99 ± 5.60 | 56.78 ± 22.76 | 3.23 ± 0.57 | 8.96 ± 4.50 | |
High Brightness | —— | 2.28 ± 2.28 | —— | 96.22 ± 0.59 | —— | |
Site5(YZJGD) | Very Low Brightness | —— | —— | —— | —— | 8.26 ± 8.26 |
Low Brightness | 67.49 ± 13.58 | 69.80 ± 12.57 | 58.04 ± 9.89 | 0.28 ± 0.28 | 80.01 ± 12.13 | |
High Brightness | 21.05 ± 19.13 | 25.32 ± 13.58 | 40.19 ± 8.13 | 0.77 ± 0.42 | 1.23 ± 1.23 | |
High Brightness | —— | 0.28 ± 0.28 | 1.37 ± 1.37 | 98.07 ± 0.96 | —— |
