DCT Image Denoising: a Simple and Effective Image Denoising Algorithm
Guoshen Yu, Guillermo Sapiro
Image Processing On Line · 2011
doi:10.5201/ipol.2011.ys-dct (opens in a new tab)
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Abstract
This work presents a simple but effective denoising algorithm using a local DCT thresholding. This thresholding is applied separately to each color channel after decorrelation. Due to its simplicity and excellent performance, this contribution can be considered as a baseline for comparison and lower bound of performance for newly developed techniques.
Abstract licence: CC BY-NC-SA
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