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    Speckle Noise Reduction Using Fourth Order Complex Diffusion Based Homomorphic Filter

    Filtering out speckle noise is essential in many imaging applications. Speckle noise creates a grainy appearance that leads to the masking of diagnostically significant image features and consequent reduction ...

    Jyothisha J. Nair, V. K. Govindan in Advances in Computing and Information Technology (2013)