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. 2019 Mar 15;10(4):1856–1869. doi: 10.1364/BOE.10.001856

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Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

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Fig. 8 — Typical examples of skin tissue. From left to right, intensity only image; spectral ratio only image with auto-contrast; combined image; histogram of the spectral ratio within the image weighted by intensity.