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阴影提取
相关语句
  shadow extraction
     Shadow Extraction of Building Based on Multiple Constraints
     多重约束下的建筑物阴影提取
短句来源
     Shadow Extraction of Building in Color Aerial Images
     彩色航空影像中的建筑物阴影提取
短句来源
     This paper proposes an approach for automatic extracting shadows of building from remote sensing image on the basis of the method that gray statistics is done in one side of the structure lines to detect shadows. The approach,which combines constraints of gray,geometry and context,and others assistant information,realizes the shadow extraction of buildings. Finally the image of IKONOS and aerial photograph are experimented to extract shadows of building.
     在基于结构线一侧灰度统计法进行阴影检测的基础上,结合了灰度约束、几何约束、上下文约束和其他辅助信息,提出了一种多重约束下的建筑物阴影提取方法,实现了对建筑物阴影的提取,并利用IKONOS影像和航空像片进行了试验,证明该算法是有效而稳健的。
短句来源
     Both the theoretical analyses and the experimental results indicate that the proposed method is a highly efficient method of shadow extraction.
     实验结果表明,本方法是一种高效的阴影提取方法。
短句来源
  “阴影提取”译为未确定词的双语例句
     Extracting Buildings Distribution Information of Different Heights in a City from the Shadows in a Panchromatic SPOT Image
     利用SPOT图象阴影提取城市建筑物高度及其分布信息
短句来源
     THE EXTRACTINON OF BUILDING DISTRIBUTION INFORMATION OF DIFFERENT HEIGHTS IN A CITY FROM THE SHADOWS IN A IKONOS IMAGE
     利用IKONOS卫星图像阴影提取城市建筑物高度信息
短句来源
     A Method for Extracting the SAR Shadow from InSAR Coherence
     一种基于InSAR相干系数的SAR阴影提取方法
短句来源
     We analyze the impact of noise upon real SAR images and interferometric height data, a method to suppress speckle and a method to extract the SAR shadow from InSAR coherence are presented. We also do an experiment to extract building from SAR shadow.
     论文讨论了噪声对实际SAR图像和干涉高程数据的影响,给出了SAR图像相干斑的抑制方法和一种新的基于InSAR相干系数的SAR阴影提取方法,并对由阴影提取建筑物边墙做了初步实验。
短句来源
  相似匹配句对
     S. tenebrarius H6 total DNA was extracted and incomplete digested with Sau3A I .
     提取S.
短句来源
     Shadow Extraction of Building Based on Multiple Constraints
     多重约束下的建筑物阴影提取
短句来源
     This paper focuses three sides in texture segmentation:(1) Feature extraction based Shape from shading (SFS).
     (1) 基于阴影的纹理特征提取
短句来源
     Extraction of Pection
     果胶的提取
短句来源
     Shadow of the Vampire
     吸血鬼的阴影
短句来源
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  shadow extraction
Therefore, we also use the pixel color for shadow extraction by applying HSI color transform to the candidate in each view image.
      


With the development of remote sensing technique in recent years, high resolution space image shows application potential in many fields, especially in field of city quake calamity evaluation. In this paper, Two IKONOS images of Beijing area are used to classify building types of the city. One is 1m resolution Pan image, the other is 4m resolution and multi spectrum one. After fusion processing, 1m resolution and multi spectrum image is obtained as the basic data for building classification. In order...

With the development of remote sensing technique in recent years, high resolution space image shows application potential in many fields, especially in field of city quake calamity evaluation. In this paper, Two IKONOS images of Beijing area are used to classify building types of the city. One is 1m resolution Pan image, the other is 4m resolution and multi spectrum one. After fusion processing, 1m resolution and multi spectrum image is obtained as the basic data for building classification. In order to get best results, some non spectrum information was selected to join the classification process, such as building altitude information which was obtained from the shadow of building and texture. Research shows that different characteristic combination image modes have different classified results. By comparison of four different combination modes, one can see that result, obtained by fusion image, building altitude and texture has best precision, its high building classification precision reaches 80%, and middle and low building classification precisions are all exceed the others results.

在对试验区 IKONOS卫星高分辨率影像预处理的基础上 ,采用 HIS变换法对 1m分辨率全色影像和 4 m分辨率多光谱影像进行了融合处理 ;通过建筑物阴影提取了建筑物高程 ,采用正交小波变换方法提取了图像的纹理信息 ;采用了四种不同的特征图像组合方式 ,对试验区高、中、低层建筑物进行了分类。研究表明 ,由融合图像、高程信息和纹理信息参与的分类结果精度最高 ,对高层建筑物分类的精度可达 80 %。

This paper proposes an approach for automatic extracting shadows of building from remote sensing image on the basis of the method that gray statistics is done in one side of the structure lines to detect shadows.The approach,which combines constraints of gray,geometry and context,and others assistant information,realizes the shadow extraction of buildings.Finally the image of IKONOS and aerial photograph are experimented to extract shadows of building.Results of the experiment show that this approach is effective...

This paper proposes an approach for automatic extracting shadows of building from remote sensing image on the basis of the method that gray statistics is done in one side of the structure lines to detect shadows.The approach,which combines constraints of gray,geometry and context,and others assistant information,realizes the shadow extraction of buildings.Finally the image of IKONOS and aerial photograph are experimented to extract shadows of building.Results of the experiment show that this approach is effective and robust.

在基于结构线一侧灰度统计法进行阴影检测的基础上,结合了灰度约束、几何约束、上下文约束和其他辅助信息,提出了一种多重约束下的建筑物阴影提取方法,实现了对建筑物阴影的提取,并利用IKONOS影像和航空像片进行了试验,证明该算法是有效而稳健的。

Shadow is a general phenomenon which occurs in SAR images,and it has many vital applications in various aspects.A new solution of shadow extraction is presented in this paper.By Sigma filter and optimal threshold segmentation algorithm,Shadow can be extracted from InSAR coherence.Both the theoretical analyses and the experimental results indicate that the proposed method is a highly efficient method of shadow extraction.

给出了一种新的阴影提取方法,根据阴影区域在InSAR相干系数图上的特性,利用Sigma滤波和最优阈值分割算法实现阴影的自动提取。实验结果表明,本方法是一种高效的阴影提取方法。

 
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