Speckle noise degrades the visual appearance and the quality of a synthetic aperture radar (SAR) image. The reduction of speckle noise is the first step in any remote-sensing device. To improve the noisy SAR images, a variety of adaptive and nonadaptive noise reduction filters were used. In order to eliminate speckle noise present in SAR images, an adaptive cuckoo search optimization-based speckle reduction bilateral filter has been designed in this article. To test the ability to eliminate multiplicative noise, the suggested filter’s effectiveness was compared to that of several de-speckling approaches. It has been measured with different assessment metrics such as PSNR, EPI, SSIM, and ENL. When compared to conventional de-noising filters, the proposed filter shows promising results for lowering speckle noise and retaining edge properties. In addition, the PSNR value has increased as compared to the PMD method and this method has been shown to be efficient in reducing speckle noise in SAR images.
Cuckoo Search Optimization-Based Bilateral Filter for Multiplicative Noise Reduction in Satellite Images
Sae Intl. J Cav
2023-08-24
Conference paper
English
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