Demosaicing: image reconstruction from color CCD samples
IEEE Transactions on Image Processing
Color filter array demosaicking: new method and performance measures
IEEE Transactions on Image Processing
Adaptive homogeneity-directed demosaicing algorithm
IEEE Transactions on Image Processing
Color demosaicking via directional linear minimum mean square-error estimation
IEEE Transactions on Image Processing
Effective color interpolation in CCD color filter arrays using signal correlation
IEEE Transactions on Circuits and Systems for Video Technology
Maximum a posteriori video super-resolution using a new multichannel image prior
IEEE Transactions on Image Processing
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The problem of recovering full-color images from a noisy and color-sampled observation is considered in this paper. Instead of removing the sensor noise before or after the color interpolation step, we propose a novel technique to combine demosaicing and denoising procedures simultaneously. In order to avoid artifacts in high frequency regions and improve the performance, an edge indicator function is used and horizontal and vertical direction of edges are considered in the proposed method, while noise is simultaneously removed by adaptive denoising. As a postprocessing, the modified filteringon color difference domain is adopted to improve the quality of the image. Experimental results illustrate the benefits of the proposed method. When compared to the conventional methods, the proposed method outperforms them on quantitative and qualitative criteria.