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作者:

Hu, Lin (Hu, Lin.) | Liu, Youming (Liu, Youming.) (学者:刘有明)

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摘要:

Curvelets are used to deal with the inverse problem of recovering a function f from noisy Bessel data B α f by Candes and Donoho. Motivated by the work of Colona, Easley and Labate, we solve the same problem by shearlets. It turns out that our method attains the mean square error convergence to O(log(Ε-1)Ε2/3/2+α, as the noisy level Ε goes to zero. Although this converge rate is the same as Candes and Donoho's in the case α = 1/2, the shearlets possess affine systems and avoid more complicated structure of the curvelet constructure. This makes it a better candidate for theoretical and numerical applications. © 2011 Springer-Verlag Berlin Heidelberg.

关键词:

Inverse problems Mean square error

作者机构:

  • [ 1 ] [Hu, Lin]Department of Applied Mathematics, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Hu, Lin]Department of Mathematics, Beijing Union University, Beijing 100101, China
  • [ 3 ] [Liu, Youming]Department of Applied Mathematics, Beijing University of Technology, Beijing 100124, China

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ISSN: 1867-5662

年份: 2011

卷: 100

页码: 419-426

语种: 英文

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