|
|
|
|
  • 软件名称:基于加权梯度融合的Landsat影像薄云去除
  • 软件大小: 0.00 B
  • 软件评级: ★★★
  • 开 发 商: 黄微,张婷婷,聂龙保
  • 软件来源: 《遥感技术与应用》
  • 解压密码:www.gissky.net

资源简介

摘要: 遥感影像中薄云的存在为影像的判读带来了极大的影响,通过研究薄云对Landsat影像造成的影响,提出一种加权梯度融合变分模型.通过在无云区域采用较小权重以保持影像自身信息,薄云区域则采用较大权重将参考影像的梯度信息融入待修复影像,改进了梯度模型在无云区域过度增强细节而造成的失真.采用暗通道法和梯度融合法与该方法进行比较,实验结果表明:该方法在有效去除薄云的同时对无云区域有较好的保真效果. 关键词: 薄云去除;  梯度融合;  变分模型;  加权     Abstract: The presence of thin cloud in remote sensing images has brought great impact for follow\|up image interpretation.To remove thin cloud of Landsat images,a weighted gradient\|based total variation fusion method is proposed.Considering the highly correlation and complementarity between the infrared and visible bands,we choose gradient information of infrared bands as reference.In our method,lower weights are used in cloudless areas to integrate the gradient information of reference images into the restored images.By doing so,the spectrum information of cloudless areas is well kept.Oppositely,higher weights in thin cloud areas are used to remove cloud.In contrast with dark channel method and gradient\|based method,our method is effective visually to remove thin cloud and modify spectral distortion causing by excessive detail enhancement of gradient\|based model.Quantitatively,the difference index R of our method in the cloudless areas is significantly lower than that of other methods.

下载说明

·如果您发现该资源不能下载,请通知管理员.gissky@gmail.com

·为确保下载的资源能正常使用,请使用[WinRAR v3.8]或以上版本解压本站资源,缺省解压密码www.gissky.net ,如果是压缩文件为分卷多文件,请依次下载每一个文件,并按照顺序命名为1.rar,2.rar,3.rar...,然后鼠标右击1.rar解压.

·为了保证您快速的下载速度,我们推荐您使用[网际快车]等专业工具下载.

·站内提供的资源纯属学习交流之用,如侵犯您的版权请与我们联系.