Journal
JOURNAL OF BIOMEDICAL OPTICS
Volume 15, Issue 5, Pages -Publisher
SPIE-SOC PHOTOPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.3494565
Keywords
absolute blood velocity; Radon transform; flow; perfusion
Funding
- National Institutes of Health [RO1 EY017577]
Ask authors/readers for more resources
We present a new method for the quantitative estimation of blood flow velocity, based on the use of the Radon transform. The specific application is for measurement of blood flow velocity in the retina. Our modified fundus camera uses illumination from a green LED and captures imagery with a high-speed CCD camera. The basic theory is presented, and typical results are shown for an in vitro flow model using blood in a capillary tube. Subsequently, representative results are shown for representative fundus imagery. This approach provides absolute velocity and flow direction along the vessel center-line or any lateral displacement therefrom. We also provide an error analysis allowing estimation of confidence intervals for the estimated velocity. (C) 2010 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.3494565]
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available