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. Author manuscript; available in PMC: 2020 Jan 8.
Published in final edited form as: Appl Sci (Basel). 2019 Oct 11;9(20):4245. doi: 10.3390/app9204245

Figure 6.

Figure 6

Quantitative evaluation of stromal structure observed in the cross polarized channel. (a) Central horizontal autocorrelation function retrieved from en-face images. Black, red, green, blue and orange correspond to an imaging depth of 100, 200, 300, 400, 500 pixels (101, 202, 303, 404, 505 μm) from the corneal surface, respectively. Purple corresponds to the autocorrelation function of residual noise (800 pixel depth); (b) Integrated autocorrelation coefficient (IACF) in dependence of imaging depth (the corneal surface is located at pixel 90); (c) Integrated intensity in dependence of imaging depth. Black subject 1, red subject 2.