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Periodic bulk motion correction method in decorrelation-based optical coherence tomography angiography
Author(s): Jinyu Fan; Jingxuan Liu; Quan Wang; Wen Kong; Feng Gao; Yule Xia; Guohua Shi
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Paper Abstract

Decorrelation-based OCTA is a widely used optical coherence tomography angiography method which utilizes OCT intensity information. However, cardiac and respiratory motions in animals are seriously degrade image quality. These kind of bulk motion is periodic, and its C-Scan (slow scan) direction component hinder motion correction because of scan position and OCT structure’s change. Some correction methods were proposed, but vasculature information will be lost when larger bulk motion occur. Here we demonstrate a correction method which uses stitch scan protocol in C-Scan direction, and sets a threshold to the maximum value of normalized cross-correlation among repeated B-Scan intensity signal to exclude false OCT B-scans. Result of In vivo imaging experiment for mice indicates that our method can reserve whole vasculature information and effectively improve image quality.

Paper Details

Date Published: 12 March 2019
PDF: 6 pages
Proc. SPIE 11023, Fifth Symposium on Novel Optoelectronic Detection Technology and Application, 1102344 (12 March 2019); doi: 10.1117/12.2520585
Show Author Affiliations
Jinyu Fan, Suzhou Institute of Biomedical Engineering and Technology (China)
Jingxuan Liu, Suzhou Institute of Biomedical Engineering and Technology (China)
Quan Wang, Suzhou Institute of Biomedical Engineering and Technology (China)
Wen Kong, Suzhou Institute of Biomedical Engineering and Technology (China)
Feng Gao, Suzhou Institute of Biomedical Engineering and Technology (China)
Yule Xia, Hunan Biological Electromechanical Vocational Technical College (China)
Guohua Shi, Suzhou Institute of Biomedical Engineering and Technology (China)


Published in SPIE Proceedings Vol. 11023:
Fifth Symposium on Novel Optoelectronic Detection Technology and Application
Qifeng Yu; Wei Huang; You He, Editor(s)

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