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Mathematical Model for Image Restoration Based on Fractional Order Total Variation( Vol-3,Issue-2,February 2017 ) |
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Author(s): Akhtar Rasool, Noor Badshah, Asmat Ullah |
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Keywords: |
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Total Variation (TV), Fractional Order Derivative, Speckle Noise, Image Restoration. |
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Abstract: |
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This paper addresses mathematical model for signal restoration based on fractional order total variation (FOTV) for multiplicative noise. In alternating minimization algorithm the Newton method is coupled with time-marching scheme for the solutions of the corresponding PDEs related to the minimization of the denoising model. Results obtained from experiments show that our model can not only reduce the staircase effect of the restored images but also better improve the PSNR as compare to other existed methods. |
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