Table 2. Confusion matrix of land cover (1999~2008).

		2008 year
		Class	Forest	Deforestation	Field and Grass	BuiltUp	Water	Other land	Total
1999 year	Gaeseong	Forest	17,973	21,940	13,927	268	581	2	54,692
		Deforestation	-	-	-	-	-	-	-
		Field and Grass	7,727	20,964	36,302	1,838	1,632	3	68,466
		BuiltUp	20	142	483	226	13	-	884
		Water	50	150	1,159	45	85	1	1,490
		Other land	628	279	1,943	57	234	4	3,144
		Total	26,398	43,475	53,814	2,434	2,546	9	128,676
	Goseong	Forest	41,842	14,488	6,181	536	274	1	63,322
		Deforestation	1,241	9,510	2	-	1	-	10,754
		Field and Grass	1,034	2,606	5,137	275	209	1	9,262
		BuiltUp	72	64	249	4	10	-	399
		Water	102	96	594	9	488	161	1,450
		Other land	394	364	507	24	87	27	1,403
		Total	44,685	27,128	12,670	848	1,069	190	86,590
	Pyongyang	Forest	37,231	17,089	17,577	2,142	643	0	74,683
		Deforestation	-	-	-	-	-	-	-
		Field and Grass	4,857	6,316	56,757	3,962	1,125	1	73,017
		BuiltUp	2,605	1,528	11,489	8,454	465	0	24,541
		Water	107	96	171	103	2,534	0	3,011
		Other land	125	37	177	3	263	1	607
		Total	44,925	25,066	86,171	14,664	5,030	3	175,859
	Hyesan· Samsu	Forest	60,353	23,289	7,390	403	109	1	91,546
		Deforestation	636	995	959	30	21	0	2,640
		Field and Grass	4,156	10,981	6,426	821	165	2	22,552
		BuiltUp	-	-	-	-	-	-	-
		Water	159	372	189	144	22	0	887
		Other land	60	121	112	11	45	2	351
		Total	65,364	35,758	15,077	1,410	361	5	117,975