山东大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (3): 1-9.doi: 10.6040/j.issn.1672-3961.0.2017.406
• • 下一篇
李士进,王声特,黄乐平
LI Shijin, WANG Shengte, HUANG Leping
摘要: 为提高水体周边环境的变化检测结果的精度,提出一种改进的变化检测方法。在光谱与纹理特征结合的基础上融合指数特征构建混合特征空间,采用超像素生成算法(simple linear iterative cluster, SLIC)处理叠加影像获取地物对象,并综合地物对象的正反向异质信息构建地物对象的正反向异质性;使用最大数学期望算法与贝叶斯最小错误率理论获取两时相的变化信息,排除植被伪变化信息,形成相对准确和鲁棒的检测结果。试验结果表明:该方法能够有效区分水体周边环境中感兴趣的地物变化信息与不感兴趣的干扰信息、“伪变化信息”等,虚检率和漏检率较低,且正确率较高为96%以上,能够智能发现湖库水域周边“非正常”土地利用变化。
中图分类号:
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