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FSP > Volume 1, Number 1, July 2017

A Hybrid Image Denoising Technique Using Neighbouring Wavelet Coefficients

Download PDF  (332.1 KB)PP. 41-48,  Pub. Date:July 13, 2017
DOI: 10.22606/fsp.2017.11005

Mantosh Biswas, Hari Om
Department of Computer Engineering, NIT Kurukshetra, India; Department of Computer Science & Engineering, IIT Dhanbad, India
This paper proposes a hybrid image denoising technique using neighbouring wavelet coefficients. The NeighShrink method groups the wavelet coefficients in non overlapping blocks and then thresholds empirically them blockwise. This method does not give good quality of image since it removes too many small wavelet coefficients. Our proposed scheme retains the modified coefficients and also gives good performance in terms of peak signal-to-noise ratio.
Wavelet thresholding, image denoising, neighbouring coefficients, peak signal to-noise.
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