A Review on Speckle Noise Reduction Techniques
Journal Title: IOSR Journals (IOSR Journal of Computer Engineering) - Year 2014, Vol 16, Issue 3
Abstract
Abstract:In medical image processing, Image denoising plays a very important role in diagnosis. Medical images are very much inconsistent. In medical imaging, Ultrasound is very popular due to its low cost, least harmful to human body, real time system and small in size. Besides itsadvantage,It suffers from a major problem i.e. speckle noise which reduces the diagnosis ability. Speckle noise is the result of diffuse scattering, which occurs when the sound waves (ultrasound) randomly interferes with a small particle or object on a scale comparable to small wavelength. Speckle Noise is an inherent property of SAR and ultrasound images. As Speckle noise is multiplicative in nature which is very much difficult to remove.So this paper presents a review on different spatial and transform methods such as spatial domain technique and wavelet domain techniques which are already proposed for filtering speckle noise in ultrasound images
Authors and Affiliations
Er. Kritika Bansal , Er. Akwinder kaur
Keywords
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