Table 7 Comparing the number of pixels for the important clusters
From: Multi-dimensional geospatial data mining in a distributed environment using MapReduce
Cluster no. | No. of pixels in Image No. 1 | Cluster area (X%) | No. of pixels in Image No. 2 | Cluster area (Y%) | No. of pixels in (ENVI results) | Cluster area (Z%) | Difference (Z − (Y + X)/2) |
|---|---|---|---|---|---|---|---|
1 | 505,827 | 1.05 | 4,553,869 | 1.05 | 82,766 | 1.40 | 0.34% |
2 | 1,807,105 | 3.76 | 16,300,000 | 3.77 | 229,199 | 3.87 | 0.10% |
3 | 1,989,750 | 4.15 | 17,900,000 | 4.14 | 304,015 | 5.14 | 0.99% |
4 | 3,055,365 | 6.37 | 27,500,000 | 6.37 | 534,589 | 9.03 | 2.66% |
5 | 4,917,089 | 10.24 | 44,300,000 | 10.25 | 582,282 | 9.84 | 0.41% |
6 | 5,598,346 | 11.66 | 50,300,000 | 11.64 | 647,603 | 10.94 | 0.71% |
8 | 6,484,568 | 13.51 | 58,400,000 | 13.52 | 822,424 | 13.89 | 0.38% |
7 | 6,819,688 | 14.21 | 61,400,000 | 14.21 | 854,459 | 14.43 | 0.22% |
9 | 7,689,434 | 16.02 | 69,200,000 | 16.02 | 896,664 | 15.15 | 0.87% |
10 | 9,132,838 | 19.03 | 82,200,000 | 19.03 | 965,999 | 16.32 | 2.71% |
Total | 48,000,000 | 100 | 432,000,000 | 100 | 5,920,000 | 100 | 0.00 |
|  | (~ 48 Megapixels) | (~ 0.43 Gigapixels) | (~ 6 Megapixels) |  | |||