Research Article
Simulation of GNSS Availability in Urban Environments Using a Panoramic Image Dataset
| | Number | Sky view image | Manual segmentation | Automatic segmentation | Number of correct classification pixels | Number of wrong classification pixels |
| | 1 | | | | 333915 (75.58%) | 107873 (24.42%) | | 2 | | | | 406325 (91.97%) | 35463 (8.03%) | | 3 | | | | 370355 (83.83%) | 71433 (16.17%) | | 4 | | | | 409936 (92.79%) | 31852 (7.21%) | | 5 | | | | 425131 (96.23%) | 16657 (3.77%) | | 6 | | | | 408077 (92.37%) | 33711 (7.63%) | | 7 | | | | 425657 (96.35%) | 16131 (3.65%) | | 8 | | | | 333225 (75.43%) | 108563 (24.57%) | | 9 | | | | 389741 (88.22%) | 52047 (11.78%) | | 10 | | | | 424565 (96.10%) | 17223 (3.90%) | | 11 | | | | 408450 (92.45%) | 33338 (7.55%) | | 12 | | | | 433459 (98.11%) | 8329 (1.89%) | | 13 | | | | 388129 (87.85%) | 53659 (12.15%) | | 14 | | | | 421752 (95.46%) | 20036 (4.54%) | | 15 | | | | 401950 (90.98%) | 39838 (9.02%) | | 16 | | | | 424003 (95.97%) | 17785 (4.03%) | | 17 | | | | 394398 (89.27%) | 47390 (10.73%) | | 18 | | | | 391929 (88.71%) | 49859 (11.29%) | | 19 | | | | 426232 (96.48%) | 15556 (3.52%) | | 20 | | | | 407263 (92.19%) | 34525 (7.81%) | | 21 | | | | 416390 (94.25%) | 25398 (5.75%) | | 22 | | | | 423570 (95.88%) | 18218 (4.12%) | | 23 | | | | 408617 (92.49%) | 33171 (7.51%) | | 24 | | | | 390650 (88.42%) | 51138 (11.58%) | | 25 | | | | 423489 (95.86%) | 18299 (4.14%) |
| | Average | | | | 91.33% | 8.67% |
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