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Journals >
Chinese Optics Letters >
Volume 13 >
Issue 7 >
Page 071701 > Article
Chinese Optics Letters
Vol. 13, Issue 7, 071701 (2015)
Hyperspectral high-dynamic-range endoscopic mucosal imaging
Changsheng Liu, Zhimin Han, and Tianyu Xie
*
Author Affiliations
Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, China
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DOI:
10.3788/COL201513.071701
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Changsheng Liu, Zhimin Han, Tianyu Xie. Hyperspectral high-dynamic-range endoscopic mucosal imaging[J]. Chinese Optics Letters, 2015, 13(7): 071701
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Fig. 1.
Schematic setup of the HHDREMI prototype system. LSU, light source unit; NBIF, narrowband bandpass interference filters; XAL, xenon arc lamp; FW, filter wheel; SNI, sequential monochromatic illuminations; IPU, image processing unit.
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Fig. 2.
Gray scale average of the mucosa images of the 24 spectral channels. The insets show different levels of the gray scale average.
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Fig. 3.
Procedure of the HDR mucosa image reconstruction in the radiance domain.
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Fig. 4.
(a) 570 nm spectral-channel mucosa image with (c) enlargement showing the vascular network; and (b) HDR mucosa image with (d) enlargement showing the vascular network.
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Fig. 5.
Spectral curves corresponding to blood-capillary and “no-blood-capillary” regions.
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Changsheng Liu, Zhimin Han, Tianyu Xie. Hyperspectral high-dynamic-range endoscopic mucosal imaging[J]. Chinese Optics Letters, 2015, 13(7): 071701
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Paper Information
Category: Medical optics and biotechnology
Received: Jan. 13, 2015
Accepted: Apr. 23, 2015
Published Online: Jul. 10, 2015
The Author Email: Tianyu Xie (supremelau@pku.edu.cn)
DOI:
10.3788/COL201513.071701
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