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题名:
Imaging quality enhancement by deconvolution in spectral domain optical coherence tomography
作者: Wang Kai1; Zeng Yan1; Ding Zhi-Hua1; Meng Jie1; Shi Guo-Hua2; Zhang Yu-Dong2
刊名: ACTA PHYSICA SINICA
出版日期: 2010-04-01
卷号: 59, 期号:4, 页码:2471-2478
关键词: spectral domain optical coherence tomography ; Lucy-Richardson deconvolution ; effective point spread function
文章类型: Article
英文摘要: Deconvolution methods are not feasible in spectral domain optical coherence to (SD-OCT) system due to the linear space variant property of its axial point spread function (PSF). In order to Improve the axial resolution and enhance the imaging quality of the SD-OCT system. a Lucy-Richardson algorithm based deconvolution method is implemented with the numerically compensated A-scan signals and the effective axial PSF in this paper. The main factors decreasing the value of PSF along the axial direction and blurring the Images, as well as the deconvolution process, are theoretical studied With the developed SD-OCT system, the axial modulation function of the PSF is retrieved by curve fitting of the measured peak values of the PSF at different axial positions. After compensating the A-scan signal with the modulation function, deconvolution is performed with the measured effective axial PSF. lit vivo imaging on typical samples is conducted and reconstruction is done based on the deconvolution method. The comparing results demonstrate that the proposed deconvolution method not only enhances the axial resolution but also improves the depth dependent sensitivity fall-off in SD-OCT system.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
收录类别: SCI
语种: 英语
WOS记录号: WOS:000276957500047
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3394
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Zhejiang Univ, Dept Opt Engn, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China
2.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China

Recommended Citation:
Wang Kai,Zeng Yan,Ding Zhi-Hua,et al. Imaging quality enhancement by deconvolution in spectral domain optical coherence tomography[J]. ACTA PHYSICA SINICA,2010,59(4):2471-2478.
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