SAR Speckle Removal Using Hybrid Frequency Modulations
IEEE Transactions on Geoscience and Remote Sensing(2021)
Abstract
Synthetic aperture radar (SAR) images often interfere with speckle artifacts that have a great impact on subsequent processing and analysis operations. To remove speckle artifacts, this article introduces a hybrid denoising approach by using a convolutional neural network (CNN) and consistent cycle spinning (CCS) in the nonsubsample shearlet transform (NSST) domain. First, we apply NSST to a noisy...
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Key words
Speckle,Noise reduction,Radar polarimetry,Synthetic aperture radar,Wavelet transforms,Spinning
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