薛昱晟,汪小钦,张因果

• 1:福州大学空间数据挖掘与信息共享教育部重点实验室
• 2:卫星空间信息技术综合应用国家地方联合工程研究中心
• 3:福建省测绘院

摘要(Abstract)：

针对人工判读作业模式难以满足地表覆盖变化检测现势性要求的问题,该文围绕地理国情监测技术设计要求和实际生产特点,提出了一种基于地理国情先验知识的多特征模糊融合变化检测方法。利用地表覆盖像斑边界,根据地理国情监测不同地类的最小面积指标进行多尺度分割,获取同质的对象级像斑;构建像斑的光谱、纹理、形状等差值特征集;基于模糊集理论进行特征的自适应加权融合得到初步变化检测结果,根据技术规则剔除不符合要求的像斑,获得最终变化区域。结果表明,该方法能够根据不同地类变化有效地集成不同特征组合表征变化信息,可充分利用地理国情监测前期成果,具有较高的准确率。

关键词(KeyWords)： 地理国情监测;地表覆盖;变化检测;模糊融合;多尺度分割

Abstract:

Keywords:

基金项目(Foundation): 中央引导地方发展专项（2017L3012）;; 福建省测绘地理信息局科技专项资金资助项目（2017J01）

作者(Author): 薛昱晟,汪小钦,张因果

DOI: 10.16251/j.cnki.1009-2307.2019.12.009

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