Accurate image registration for MAP image super-resolution
Image Communication
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Super resolution reconstruction of images has become a very important research topic nowadays. The accuracy of the image registration plays a crucial role in super resolution. In this paper we present a new sub-pixel registration method which makes use of the combination of mutual information measure criteria and the NEDI interpolation algorithm. Experimental results show that our proposed method can yield accurate registration results. When applying this registration results in SR image reconstruction, PSNR of the image estimated by our proposed method is 1−2 dB higher than those of the images reconstructed by other registration methods.