Table 3. Confusion matrix of land cover (2008~2018).
| 2018 year |
Class | Forest | Deforestation | Field and Grass | BuiltUp | Water | Other land | Total |
2008 year | Gaeseong | Forest | 15,665 | 7,975 | 2,542 | 41 | 73 | - | 26,297 |
Deforestation | 10,831 | 27,980 | 4,284 | 220 | 90 | - | 43,405 |
Field and Grass | 4,250 | 10,827 | 36,956 | 1,139 | 411 | - | 53,584 |
BuiltUp | 79 | 336 | 1,234 | 715 | 64 | - | 2,429 |
Water | 72 | 195 | 293 | 26 | 1,946 | - | 2,531 |
Other land | 2 | 0 | 2 | 1 | 4 | - | 9 |
Total | 30,899 | 47,314 | 45,311 | 2,143 | 2,588 | - | 128,254 |
Goseong | Forest | 37,870 | 5,178 | 1,364 | 144 | 85 | 45 | 44,685 |
Deforestation | 13,406 | 12,088 | 1,263 | 221 | 68 | 82 | 27,128 |
Field and Grass | 1,304 | 1,221 | 8,409 | 1,353 | 275 | 108 | 12,670 |
BuiltUp | 317 | 291 | 189 | 31 | 15 | 4 | 848 |
Water | 8 | 19 | 78 | 35 | 251 | 679 | 1,069 |
Other land | 0 | 0 | 1 | 0 | 0 | 188 | 190 |
Total | 52,906 | 18,796 | 11,305 | 1,784 | 693 | 1,106 | 86,590 |
Pyongyang | Forest | 30,768 | 8,399 | 3,752 | 1,600 | 406 | - | 44,925 |
Deforestation | 7,981 | 14,053 | 1,906 | 902 | 225 | - | 25,066 |
Field and Grass | 2,725 | 5,056 | 68,245 | 9,631 | 514 | - | 86,171 |
BuiltUp | 528 | 664 | 4,867 | 8,288 | 317 | - | 14,664 |
Water | 46 | 40 | 162 | 210 | 4,572 | - | 5,030 |
Other land | 0 | 0 | 1 | 0 | 1 | - | 3 |
Total | 42,048 | 28,212 | 78,933 | 20,631 | 6,035 | - | 175,859 |
Hyesan· Samsu | Forest | 53,774 | 9,270 | 2,038 | 114 | 169 | - | 65,364 |
Deforestation | 8,691 | 24,504 | 1,340 | 559 | 664 | - | 35,758 |
Field and Grass | 1,263 | 2,629 | 8,863 | 864 | 1,457 | - | 15,077 |
BuiltUp | 85 | 515 | 219 | 485 | 106 | - | 1,410 |
Water | 5 | 20 | 32 | 21 | 283 | - | 361 |
Other land | 0 | 0 | 0 | 0 | 5 | - | 5 |
Total | 63,818 | 36,938 | 12,492 | 2,043 | 2,684 | - | 117,975 |