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- W2389257386 abstract "A regularized image zooming model based on nonlocal total variation was proposed,with regard to that the Chambolle image zooming model has blocky effects.It consisted of regular term and fidelity term.The zoomed image was obtained by minimizing the variational function which used the nonlocal total variation norm to measure the regularity of the image.Unlike the traditional image zooming by interpolation,the variational model was incorporated in the new zooming algorithm and the use of nonlocal operator made the algorithm not just use a single pixel of the image,or gray and gradient information in a neighborhood to amplify,but use the information of image content itself widely that will avoid blocky effects of Chambolle's model.The experimental results show that the new algorithm can preserve better the border and details.It achieves better effect than Chambolle's method and the interpolation by using spline." @default.
- W2389257386 created "2016-06-24" @default.
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- W2389257386 date "2012-01-01" @default.
- W2389257386 modified "2023-09-24" @default.
- W2389257386 title "Variational image zooming based on nonlocal total variation" @default.
- W2389257386 hasPublicationYear "2012" @default.
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