收稿日期: 2004-06-30
修回日期: 2005-01-19
网络出版日期: 2005-11-15
基金资助
中国科学院、科学技术部973项目(G2000078403);自然科学基金项目(10225313)共同资助
Interferometric Solar Image Reconstruction Using Improved Maximum Entropy Method
Received date: 2004-06-30
Revised date: 2005-01-19
Online published: 2005-11-15
王书振 , 张昕 , 徐国华 . 改进最大熵算法重建日像仪太阳图像[J]. 中国科学院大学学报, 2005 , 22(6) : 685 -689 . DOI: 10.7523/j.issn.2095-6134.2005.6.004
The interferometric solar image reconstruction is the last and the most important method to get the highresolution image.The Skilling-Bryan maximum entropy method featured in convergence rate is one of the predominant methods in astronomy image proceeding.The proposed method innovated in search directions of SB combines the speed with exactness harmoniously as a result of the error adjustment.Finally the simulations were conducted with both methods of interferometric solar image reconstruction in national astronomical observatories.Results showed the superiority of the improved method in resolution and counterbalance in computing time.Its stability was also testified with various examples.
[1] St arck JL,Pant in E,Murtagh F.Deconvolution in astronomy:a review.The Publications of the Astronomical Society of the Pacific,2002,114:1051～1069.
[2] Gull SF,Daniell JG.Image reconstruction from incomplete and noisy data.Nature,1978,272:686～690.
[3] Skiling J,Bryan RK.Maximum entropy image reconstruct ion:general algorithm.Mon.Not.R.Astr.Soc.,1984,211:111～124.
[4] Pant in E,Starck JL.Deconvolution of astronomical images using the multiscale maximum entropy method.Astron.Astrophy.Suppl.,1996,118:575～585.
[5] Bontekoe TR,Koper E,Kester DJM.Pyramid maximum entropy images of IRAS survey data.Astron.Astrophy.,1994,284(3):1037～1053.
[6] Maisinger K.Hobson MP,Lasenby AN.Maximum- entropy image reconstruction using wavelet s.Mon.Not.R.Astr.Soc.,2004,347( 1):339～354.
[7] Cornwell TJ,Evans KF.A simpl e maximum entropy deconvolut ion algorithm.Astron.Astrophy.,1985,143:77～83.
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