说明：  混淆矩阵的每一列代表了地面参考验证信息，每一列中的数值等于地表真实像元在分类图象中对应于相应类别的数量；混淆矩阵的每一行代表了遥感数据的分类信息，每一行中的数值等于遥感分类像元在地表真实像元相应类别中的数量。
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