Image quality improvement in optical coherence tomography using Lucy-Richardson deconvolution algorithm

被引：96

作者：

Hojjatoleslami, S. A. ^{[1
]}

Avanaki, M. R. N. ^{[1
,2
]}

Podoleanu, A. Gh. ^{[2
]}

机构：

[1] Univ Kent, Kent Inst Med & Hlth Sci, Ctr Res & Dev, Canterbury CT2 7PD, Kent, England

[2] Univ Kent, Sch Phys Sci, Appl Opt Grp, Canterbury CT2 7NH, Kent, England

来源：

APPLIED OPTICS | 2013年 / 52卷 / 23期

基金：

欧洲研究理事会;

关键词：

SPECKLE REDUCTION; ENHANCEMENT; OCT; SCATTERING;

D O I：

10.1364/AO.52.005663

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Optical coherence tomography (OCT) has the potential for skin tissue characterization due to its high axial and transverse resolution and its acceptable depth penetration. In practice, OCT cannot reach the theoretical resolutions due to imperfections of some of the components used. One way to improve the quality of the images is to estimate the point spread function (PSF) of the OCT system and deconvolve it from the output images. In this paper, we investigate the use of solid phantoms to estimate the PSF of the imaging system. We then utilize iterative Lucy-Richardson deconvolution algorithm to improve the quality of the images. The performance of the proposed algorithm is demonstrated on OCT images acquired from a variety of samples, such as epoxy-resin phantoms, fingertip skin and basaloid larynx and eyelid tissues. (C) 2013 Optical Society of America

引用

页码：5663 / 5670

页数：8

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