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Real-time digital signal processing-based optical coherence tomography and Doppler optical coherence tomography.
Alexander W Schaefer1, J Joshua Reynolds, Daniel L Marks
1Department of Electrical and Computer Engineering, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
IEEE Transactions on Bio-Medical Engineering
|January 16, 2004
Summary
We developed a real-time digital signal processing (DSP) system for optical coherence tomography (OCT) and Doppler OCT. This enables rapid acquisition and processing of microstructure and fluid-flow images for diverse OCT applications.
Area of Science:
- Biomedical optics
- Medical imaging technology
Background:
- Optical coherence tomography (OCT) and Doppler OCT are powerful imaging modalities.
- Real-time processing is crucial for analyzing complex OCT data, especially for dynamic processes like fluid flow.
Purpose of the Study:
- To develop and demonstrate a real-time digital signal processing (DSP)-based system for OCT and Doppler OCT.
- To enable efficient acquisition and processing of microstructure and transient fluid-flow profiles.
Main Methods:
- Implementation of a DSP architecture for computationally intensive OCT and Doppler OCT calculations.
- Development of a configurable acquisition system for real-time signal and image processing.
Main Results:
- Successful development of a real-time DSP-based OCT and Doppler OCT system.
- Demonstrated capability for acquiring high-resolution images of microstructure and transient fluid-flow dynamics.
- The system facilitates real-time processing of complex data.
Conclusions:
- The developed DSP-based system significantly enhances real-time capabilities in OCT and Doppler OCT.
- This technology is adaptable for various real-time signal and image processing tasks within OCT applications.
- Enables advanced analysis of microstructural and hemodynamic information.