Arid
DOI10.1109/IGARSS.2012.6350361
REPRESENTATION OF DESERT SAND DUNES BY SURFACE ORIENTATIONS USING RADON TRANSFORM
Varma, Surender G.; Banerjee, Biplab; Mohan, Krishna B.
通讯作者Varma, Surender G.
会议名称IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
会议日期JUL 22-27, 2012
会议地点Munich, GERMANY
英文摘要

Desert regions are typically characterized by the texture of sand that particular place and the orientation of dunes. We have attempted to visualize and quantify the sand dunes by local surface orientations calculated by Radon transform of sliding window region that covers entire image. This kind of representation can be used as a pre-processing step for segmentation and change detection of sand dunes. Hough transform, though traditionally used [1] to extract linear features is not very suitable for natural images. Radon transform on the other hand is robust to noise [2][3] comparatively and can effectively be used to find dune orientations. First of all an edge image is generated using canny operator or morphological operators and then local orientations are computed. Populations residing near desert land scapes have Livestock and marginal cultivation. To protect their interest's administrative setup need to have accurate understanding of how the directions of sand dunes are changing with respect to time. It is seen that for desert environments, remotely sensed satellite imagery can reliably be used, to identify regions that are nontextured and with various dune orientations using radon transform.


英文关键词Sand dunes Texture Radon Transform Morphology
来源出版物2012 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)
ISSN2153-6996
出版年2012
页码2733-2736
EISBN978-1-4673-1159-5
出版者IEEE
类型Proceedings Paper
语种英语
国家India
收录类别CPCI-S
WOS记录号WOS:000313189402222
WOS类目Engineering, Electrical & Electronic ; Geosciences, Multidisciplinary ; Remote Sensing
WOS研究方向Engineering ; Geology ; Remote Sensing
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/301274
作者单位Indian Inst Technol, Ctr Studies Resources Engn, Bombay 400076, Maharashtra, India
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Varma, Surender G.,Banerjee, Biplab,Mohan, Krishna B.. REPRESENTATION OF DESERT SAND DUNES BY SURFACE ORIENTATIONS USING RADON TRANSFORM[C]:IEEE,2012:2733-2736.
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