17 February 2017 Graphics processor unit acceleration enables realtime endovascular Doppler optical coherence tomography imaging
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Abstract
Endovascular Optical Coherence Tomography (OCT) has previously been used in both bench-top and clinical environments to produce vascular images, and can be helpful in characterizing, among other pathologies, plaque build-up and impedances to normal blood ow. The raw data produced can also be processed to yield high- resolution blood velocity information, but this computation is expensive and has previously only been available a posteriori using post-processing software. Real-time Doppler OCT (DOCT) imaging has been demonstrated before in the skin and eye, but this capability has not been available to vascular surgeons. Graphics Processing Units (GPUs) can be used to dramatically accelerate this type of distributed computation. In this paper we present a software package capable of real-time DOCT processing and circular image display using GPU acceleration designed to operate with catheter-based clinical OCT systems. This image data is overlayed onto structural images providing clinicians with live, high-resolution blood velocity information to complement anatomical data.
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Dexter Barrows, Dexter Barrows, Barry Vuong, Barry Vuong, Kenneth Lee, Kenneth Lee, Jamil Jivraj, Jamil Jivraj, Victor X. D. Yang, Victor X. D. Yang, } "Graphics processor unit acceleration enables realtime endovascular Doppler optical coherence tomography imaging", Proc. SPIE 10053, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXI, 100532G (17 February 2017); doi: 10.1117/12.2254930; https://doi.org/10.1117/12.2254930
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