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To improve the quality of the fused image, we propose a remote sensing image fusion method based on sparse representation. In the method, first, we represent the source images with sparse coefficients. Second, the larger values of sparse coefficients of panchromatic (Pan) image is set to 0. Third, the coefficients of panchromatic (Pan) and multispectral (MS) image are combined with the linear weighted...
Watermark is a new effective digital copyright protection method and data security technology. A new scheme of image retrieval based upon digital watermarking has been proposed. First, embeds the binary watermark information in carried image, computes the value of NC (normalized correlation coefficient) between query watermark and extracted watermark,and gains the retrieval results. The watermarking...
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