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Erschienen in:
2017 | OriginalPaper | Buchkapitel
Despeckling of Medium Resolution ScanSAR Data
verfasst von : Y. Muralimohanbabu, M. V. Subramanyam, M. N. Giriprasad
Erschienen in: Proceedings of 2nd International Conference on Intelligent Computing and Applications
Verlag: Springer Singapore
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Abstract
The speckle noise shows more impact on the performance of the radar image while deciding the objects. The objective of despeckling is to remove speckles from the SAR image, to represent a noise-free image and maintain all significant features like textures, region borders etc. The objective of the work is to investigate on the spatial domain and transform domain despeckling methods and how far the speckle can be removed and how far the texture details can be maintained. The proposed approach aims to despeckle the speckle noise to the possible extent while preserving the edge characteristics. The major concentration of the research work is on the Indian microwave imagery. RISAT-1 (RADAR Imaging Satellite) is the first and only Indian microwave active mode satellite that is capable of operating all the day and in all weather conditions even during cloudy times. It is a C-band radar mainly designed for monitoring and analyzing the agriculture.