NDLI: Quantitative endoscopy by FOLCI-based distance sensor

Content Provider	IEEE Xplore Digital Library
Author	Lucesoli, A. Criante, L. Simoni, F. Di Donato, A. Rozzi, T. Farabollini, B. Bonifazi, F.
Copyright Year	2008
Description	Author affiliation: Allergology Dept., Ospedali Riuniti di Ancona, Ancona (Farabollini, B.; Bonifazi, F.) \|\| Univ. Politec. delle Marche, Ancona (Lucesoli, A.; Criante, L.; Simoni, F.; Di Donato, A.; Rozzi, T.)
Abstract	In medical endoscopy, quantifying anatomical dimensions would be of great help, but the appropriate tools are not yet available. We present a novel method for the calibration and size measurement of endoscopic images. We realized an optical sensor, based on Fiber Optic Low Coherence Interferometry (FOLCI), capable of measuring the absolute distance between the tip of an endoscopic probe and an anatomical object under inspection. We showed that this sensor provides very sensitive and accurate (error lower than 0.1 mm) measurements of biological samples. The sensing fiber of the sensor was introduced in the operative channel of an Olympus rhinoscope. After calibrating the endoscope magnification system as a function of the distance, our system was capable of providing the size of any object included in the field of view of the endoscope. Tests performed on planar targets and pig trachea showed the accuracy of the system to be adequate for allowing quantitative dimensional information.
Starting Page	870
Ending Page	873
File Size	397964
Page Count	4
File Format	PDF
ISBN	9781424425808
ISSN	19300395
DOI	10.1109/ICSENS.2008.4716579
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-26
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Endoscopes Optical fiber sensors Biosensors Biomedical imaging Calibration Size measurement Optical fibers Optical interferometry Probes Inspection
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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