Bi-cubic Interpolation Algorithm Based on Contourlet Transformation
In order to preserve the information of source remote sensing image, improve its spacial resolution and make it appropriate for people to observe, this paper proposes the Contourlet bi-cubic interpolation algorithm. It uses bi-cubic interpolation to do similar transformation, and obtains interpolation image with higher resolution ratio than the original image by inverse transformation. Experimental results show that the algorithm can get higher PSNR and better image detail effect than the bi-cubic interpolation and wavelet bi-cubic interpolation.
About Author:
Author: XU Tong-yang, FANG YongPublisher: School of Communication and Information Engineering, Shanghai University, Shanghai 200072
Keywords:remote sensing image, Contourlet transformation, bicubic interpolation, similar transformation
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