随机森林方法支持的复杂地形区土地利用/土地覆被分类研究
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						       		马慧娟, 高小红, 谷晓天
						  	
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					Random Forest Classification of Landsat 8 Imagery for the Complex Terrain Area based on the Combination of Spectral, Topographic and Texture Information
				
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						       		Huijuan MA, Xiaohong GAO, Xiaotian GU
						  	
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		| 表9 川水区优化选择纹理特征分类精度评价 | 
	
	
		| Tab. 9 Accuracles assessment of classification from optimized selection of texture feature in the valley plain area | 
	
	
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			   | 土地利用类型 |  6MS+DEM+NDVI+TXT(8) |   |  6MS+DEM+NDVI +TXT(var) |   |  6MS+TXT(Var)+PCA1 |   |  6MS+TXT(var)+PCA2 |     | 制图精度/% |  用户精度/% |  制图精度/% |  用户精度/% |  制图精度/% |  用户精度/% |  制图精度/% |  用户精度/% |       | 水浇地 |  90.91 |  96.39 |   |  88.64 |  88.65 |   |  90.59 |  86.52 |   |  90.59 |  86.52 |     | 旱地 |  96.97 |  81.01 |   |  95.45 |  88.73 |   |  84.29 |  90.77 |   |  84.29 |  90.77 |     | 林地 |  77.83 |  74.71 |   |  78.17 |  70.59 |   |  70.00 |  80.00 |   |  70.00 |  71.30 |     | 高草地 |  75.00 |  85.00 |   |  80.00 |  94.12 |   |  70.77 |  88.89 |   |  70.77 |  80.00 |     | 中草地 |  91.11 |  88.70 |   |  93.33 |  95.45 |   |  85.45 |  87.04 |   |  83.64 |  90.20 |     | 低草地 |  89.66 |  76.47 |   |  89.66 |  80.00 |   |  76.19 |  73.85 |   |  77.78 |  75.38 |     | 水域 |  92.30 |  92.73 |   |  94.70 |  89.47 |   |  98.08 |  78.46 |   |  70.00 |  77.61 |     | 城乡用地 |  89.77 |  86.81 |   |  92.05 |  88.04 |   |  87.95 |  73.00 |   |  87.95 |  70.19 |     | 未利用 |  76.67 |  70.00 |   |  78.00 |  73.33 |   |  82.50 |  75.79 |   |  75.00 |  72.22 |     | 总体精度/% |  86.78 |   |  87.42 |   |  80.44 |   |  80.85 |     | Kappa系数 |  0.847 |   |  0.854 |   |  0.774 |   |  0.779 |      
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