Image contrast correction method in full-field optical coherence tomography

Ning Mu; Wanrong Gao; Yawen Zhou

doi:10.1117/1.OE.58.7.074102

11 July 2019 Image contrast correction method in full-field optical coherence tomography

Ning Mu, Wanrong Gao, Yawen Zhou

Author Affiliations +

Optical Engineering, Vol. 58, Issue 7, 074102 (July 2019). https://doi.org/10.1117/1.OE.58.7.074102

Abstract

An image contrast correction method is proposed for en face images obtained with full-field optical coherence tomography (FFOCT). First, the mechanism of image contrast decrease in FFOCT is considered and the theoretical models of main parameters that degrade image contrast are analyzed. Second, changes of contrast with depth are calculated under various conditions, from which the main parameters that affect contrast in tissue are identified. Then based on the analysis, the methods are proposed for correcting image contrast. Finally, the en face tomographic images of human liver tissue at different depths with and without contrast correction are presented to demonstrate the capability of the method. The results are very helpful for correctly interpreting FFOCT images for applications in disease diagnosis.

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Ning Mu, Wanrong Gao, and Yawen Zhou "Image contrast correction method in full-field optical coherence tomography," Optical Engineering 58(7), 074102 (11 July 2019). https://doi.org/10.1117/1.OE.58.7.074102

Received: 4 March 2019; Accepted: 19 June 2019; Published: 11 July 2019

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