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In this paper, a color image demosaicking (CDM) method is proposed. For preserving the chromatic information, the original RGB plane is transformed to HSI plane, and then an anisotropic tensor matrix kernel regression based interpolation technique is processed in I-component. Finally, a directional interpolation based on R-G/B-G difference is used for R and B channel refinements. Experimental results...
This paper investigates image interpolation problems by means of combing structure tensor with kernel regression methods. We propose an anisotropic structure tensor to adapt the diffusivity along or across the geometric structure of image, for instance image edges. Experimental results show that our new algorithm significantly outperforms the steering kernel regression in persevering edge and improving...
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