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1 May 2008 Real-time swept source optical coherence tomography imaging of the human airway using a microelectromechanical system endoscope and digital signal processor
Jianping Su, Jun Zhang, Lingfeng Yu, Henri G. Colt, Matthew Brenner, Zhongping Chen
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Journal of Biomedical Optics, Vol. 13, Issue 3, 030506 (May 2008). https://doi.org/10.1117/1.2938700
Abstract
A fast-scan-rate swept laser for optical coherence tomography (OCT) is suitable to record and analyze a 3-D image volume. However, the whole OCT system speed is limited by data streaming, processing, and storage. In this case, postprocessing is a common technique. Endoscopic clinical applications prefer onsite diagnosis, which requires a real-time technique. Parallel digital signal processors were applied to stream and process data directly from a data digitizer. A real-time system with 20-kHz axial line speed, which was limited only by our swept laser scan rate, was implemented. To couple with the system speed, an endoscope based on an improved 3-D microelectromechanical motor (diameter 1.5 mm, length 9.4 mm) was developed. In vivo 3-D imaging of the human airway was demonstrated.
©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)
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Jianping Su, Jun Zhang, Lingfeng Yu, Henri G. Colt, Matthew Brenner, and Zhongping Chen "Real-time swept source optical coherence tomography imaging of the human airway using a microelectromechanical system endoscope and digital signal processor," Journal of Biomedical Optics 13(3), 030506 (1 May 2008). https://doi.org/10.1117/1.2938700
Published: 1 May 2008
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Cited by 49 scholarly publications and 3 patents.
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KEYWORDS
Digital signal processing
Optical coherence tomography
Endoscopes
Signal processing
Microelectromechanical systems
3D image processing
Image processing
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