RECONSTRUCTION OF AN AXISYMMETRICAL IMAGE FROM ITS BLURRED AND NOISY PROJECTION

被引：46

作者：

STRICKLAND, RN ^{[1
]}

CHANDLER, DW ^{[1
]}

机构：

[1] SANDIA NATL LABS,COMBUST RES FACIL,LIVERMORE,CA 94550

来源：

APPLIED OPTICS | 1991年 / 30卷 / 14期

关键词：

D O I：

10.1364/AO.30.001811

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The 3-D velocity distribution of ionized photofragments resulting from the dissociation of methyl iodide is recovered by digitally deblurring and Abel inverting a single measured 2-D projection. The reconstructed distribution reveals two rings which are the dissociation channels corresponding to ground state and excited state iodine. A factor of 1.6 in resolution improvement of the channels is achieved by deconvolving the 2-D projection using a line-by-line implementation of Kawata's reblur algorithm. This technique guarantees noise-smoothed projections for the notoriously sensitive Abel inversion procedure, which in this paper is implemented using discrete Fourier and Hankel transforms.

引用

页码：1811 / 1819

页数：9

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