Abstract
In this paper, an effective directional interpolation- and inpainting-based impulse noise removal algorithm is proposed. Firstly, each noisy pixel is classified to either the low-density noise or the middle/high density noise. Secondly, a directional interpolation-based noise removal procedure is proposed to denoise the low-density noise. Thirdly, an inpainting-based noise removal procedure is proposed to denoise the middle/high-density noise. Based on ten typical test images, each image with noise level ranging from 30 to 90%, the experimental results demonstrate that in terms of peak-signal-to-noise-ratio (PSNR), structural similarity index (SSIM), and visual effect, the proposed algorithm has the best quality performance when compared with six state-of-the-art noise removal algorithms.
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The authors appreciate the proofreading help of Ms. C. Harrington, the valuable comments of the three anonymous referees, and the support under the contracts MOST 104-2221-E-011-118-MY3 and MOST 104-2221-E-228-006.
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Chung, KL., Huang, YH. An effective directional interpolation- and inpainting-based algorithm for removing impulse noise. Multimed Tools Appl 77, 16477–16493 (2018). https://doi.org/10.1007/s11042-017-5216-6
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DOI: https://doi.org/10.1007/s11042-017-5216-6