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100227 |
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|a Lee, Hsiang-Chieh
|e author
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|a Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
|e contributor
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|a Massachusetts Institute of Technology. Research Laboratory of Electronics
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|a Ahsen, Osman Oguz
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|a Lee, Hsiang-Chieh
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|a Giacomelli, Michael Gene
|e contributor
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|a Wang, Zhao
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|a Liang, Kaicheng
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|a Tsai, Tsung-Han
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|a Potsaid, Benjamin M.
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|a Fujimoto, James G.
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|a Wang, Zhao
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|a Liang, Kaicheng
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|a Tsai, Tsung-Han
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|a Mashimo, Hiroshi
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|a Fujimoto, James G.
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|a Ahsen, Osman Oguz
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|a Giacomelli, Michael Gene
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|a Potsaid, Benjamin M.
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|a Correction of rotational distortion for catheter-based en face OCT and OCT angiography
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|b Optical Society of America,
|c 2015-12-14T02:11:20Z.
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| 856 |
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|z Get fulltext
|u http://hdl.handle.net/1721.1/100227
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|a We demonstrate a computationally efficient method for correcting the nonuniform rotational distortion (NURD) in catheter-based imaging systems to improve endoscopic en face optical coherence tomography (OCT) and OCT angiography. The method performs nonrigid registration using fiducial markers on the catheter to correct rotational speed variations. Algorithm performance is investigated with an ultrahigh-speed endoscopic OCT system and micromotor catheter. Scan nonuniformity is quantitatively characterized, and artifacts from rotational speed variations are significantly reduced. Furthermore, we present endoscopic en face OCT and OCT angiography images of human gastrointestinal tract in vivo to demonstrate the image quality improvement using the correction algorithm.
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|a National Institutes of Health (U.S.) (R01-EY011289-26)
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|a National Institutes of Health (U.S.) (R44-EY022864-01)
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|a National Institutes of Health (U.S.) (R01-CA075289-16)
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|a National Institutes of Health (U.S.) (R44-CA101067-05)
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|a National Institutes of Health (U.S.) (R01-CA178636-02)
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|a United States. Air Force Office of Scientific Research (Contract FA9550-10-1-0063)
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|a United States. Air Force Office of Scientific Research (Contract FA9550-12-1-0499)
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|a en_US
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|a Article
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|t Optics Letters
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