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- W2368709066 abstract "The restoration for severely blurred image is very difficult as its poor recovery effect on debluring and difficult restoration for the edge details.A new restoration algorithm is proposed within the framework of compression perception theory.The Zig-Zag transformation,which is usually used in digital watermarking,is introduced to improve the performance of K-singular value decomposition(K-SVD) algorithm.The algorithm optimizes the sparseness of the sparse coefficient by adding positional relationship of signal conversion process.Experimental results show that the proposed algorithm can improve signal to noise ratio(ISNR) better than K-SVD algorithm does for severe blurred images." @default.
- W2368709066 created "2016-06-24" @default.
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- W2368709066 date "2013-01-01" @default.
- W2368709066 modified "2023-09-23" @default.
- W2368709066 title "Image deblurring algorithm based on sparse and redundant representation over learned dictionaries" @default.
- W2368709066 hasPublicationYear "2013" @default.
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