S-sequence patterned illumination iterative photoacoustic tomography

被引：1

作者：

Harrison, Tyler ^{[1
]}

Shao, Peng ^{[1
]}

Zemp, Roger J. ^{[1
]}

机构：

[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2V4, Canada

来源：

JOURNAL OF BIOMEDICAL OPTICS | 2014年 / 19卷 / 09期

基金：

加拿大自然科学与工程研究理事会;

关键词：

photoacoustics; tomography; image reconstruction; OPTICAL-ABSORPTION COEFFICIENT; DISTRIBUTIONS; SCATTERING; MEDIA;

D O I：

10.1117/1.JBO.19.9.096004

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Quantitatively reconstructing optical absorption using photoacoustic imaging is nontrivial. Theoretical hurdles, such as nonuniqueness and numerical instability, can be mitigated by using multiple illuminations. However, even with multiple illuminations, using ANSI-safety-limited fluence for practical imaging may result in poor performance owing to limited signal-to-noise ratio (SNR). We demonstrate the use of S-sequence coded patterned illumination to boost SNR while preserving the enhanced stability of multiple-illumination iterative techniques. (C) 2014 Society of Photo-Optical Instrumentation Engineers (SPIE)

引用

页数：6

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