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Traditional Filters for Speckle Noise Reduction | ||
| Al-Mustansiriyah Journal of Science | ||
| Article 1, Volume 19, Issue 5, 2008, Pages 30-38 | ||
| Author | ||
| Suzan M. Shaquli | ||
| Abstract | ||
| Speckle noise is main problem in coherent images. This problem makes the processing of synthetic aperture radar (SAR) images is very difficult. So this paper proved the conjugation between the coherent nature for electromagnetic wave and the coherent speckle noise. In this research efforts detected to study the degradation noise for images, this is performed by adopting the multiplicative noise model Non-adaptive filters are typically used for noise removal or to performing some type of image enhancement. Study the characteristic of removing speckle noise using non-adaptive filters, in this work adopt four filter types that are Mean, Median, Standard Deviation (STD), and Mode. Where these filter applied to remove speckle noise from amplitude SAR image. the result show the best result when we used Median filter cause this filter preserved the edges and produce high smoothing in homogeneous image regions. | ||
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