Real-time intraoperative 4D full-range FD-OCT based on the dual graphics processing units architecture for microsurgery guidance

被引：67

作者：

Zhang, Kang ^{[1
]}

Kang, Jin U. ^{[1
]}

机构：

[1] Johns Hopkins Univ, Dept Elect & Comp Engn, Baltimore, MD 21218 USA

来源：

BIOMEDICAL OPTICS EXPRESS | 2011年 / 2卷 / 04期

关键词：

OPTICAL-COHERENCE TOMOGRAPHY; FOURIER-DOMAIN OCT; ULTRAHIGH-SPEED; SCANS; 2ND;

D O I：

10.1364/BOE.2.000764

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Real-time 4D full-range complex-conjugate-free Fourier-domain optical coherence tomography (FD-OCT) is implemented using a dual graphics processing units (dual-GPUs) architecture. One GPU is dedicated to the FD-OCT data processing while the second one is used for the volume rendering and display. GPU accelerated non-uniform fast Fourier transform (NUFFT) is also implemented to suppress the side lobes of the point spread function to improve the image quality. Using a 128,000 A-scan/second OCT spectrometer, we obtained 5 volumes/second real-time full-range 3D OCT imaging. A complete micro-manipulation of a phantom using a microsurgical tool is monitored by multiple volume renderings of the same 3D date set with different view angles. Compared to the conventional surgical microscope, this technology would provide the surgeons a more comprehensive spatial view of the microsurgical site and could serve as an effective intraoperative guidance tool. (C) 2011 Optical Society of America

引用

页码：764 / 770

页数：7

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