Supervised Classification (监督分类)...........................................................................................297
Parallelepiped (平行六面体).................................................................................................298
1 选择 Classification > Supervised > Parallelepiped..........................................................................298
Minimum Distance (最小距离)............................................................................................299
·从 Classification 菜单:......................................................................................................................299
·在 Endmember Collection 对话框中,选择 Algorithm > Minimum Distance
。
.............................299
1 输入一般的分类参数(分类参数对话框中列出的那些)............................................................299
Mahalanobis Distance (马氏距离)........................................................................................299
·从 Classification 菜单:......................................................................................................................299
·在 Endmember Collection 对话框中,选择 Algorithm > Mahalanobis Distance
。
........................300
注意........................................................................................................................................................300
Maximum Likelihood (最大似然分类)................................................................................300
·从 Classification 菜单:......................................................................................................................300
·在 Endmember Collection 对话框中,选择 Algorithm > Maximum Likelihood
。
...........................300
注意........................................................................................................................................................300
Spectral Angle Mapper (波谱角度映射表)..........................................................................301
·从 Classification 菜单:......................................................................................................................301
·在 Endmember Collection 对话框中,选择 Algorithm > Spectral Angle Mapper...........................301
Binary Encoding (二进制编码)............................................................................................302
·从 Classification 菜单:......................................................................................................................302
·在 Endmember Collection 对话框中,选择 Algorithm > Binary Encoding
。
.................................302
Unsupervised Classification (非监督分类)..................................................................................303
Isodata....................................................................................................................................303
K-Means.................................................................................................................................304
Post Classification..........................................................................................................................306
Rule Calssifier (规则分类器)................................................................................................306
Class Statistics (分类统计)...................................................................................................306
Confusion(Contingency) Matrix (混淆矩阵)........................................................................307
10 点击“OK”,显示混淆矩阵中的记录以及相关的统计.................................................................308
注意........................................................................................................................................................308
混淆矩阵举例.......................................................................................................................309
混淆矩阵: {M6} (640x400x1)..............................................................................................................309
总体精度 = (131003/256000) 51.1730%..............................................................................................309
地表真实 (像元)....................................................................................................................................309
地表真实 (百分比)................................................................................................................................309
Changing Class Colors (改变类颜色)...................................................................................311
ROC Curves...........................................................................................................................312
2 从 Rule Input File 对话框,选择分类规则图像,或抽取空间波谱子集.....................................312
注意........................................................................................................................................................313
Clump Classes(类别集群)...............................................................................................314
注意........................................................................................................................................................314
Sieve Classes (筛选类)..........................................................................................................315
注意........................................................................................................................................................315
Combine Classes (结合并类)................................................................................................315