Figure 3 | Scientific Reports

Figure 3

From: Combination of optical coherence tomography and near infrared spectroscopy enhances determination of articular cartilage composition and structure

Figure 3The alt text for this image may have been generated using AI.

Prediction of collagen orientation angle in the superficial zone with a generalized model (a) and with the three condition-specific models (b). The average smoothed spectra of ICRS0, ICRS1 and ICRS2 (c) with the selected wavelengths (black regions) of IVS for each condition-specific model of superficial collagen orientation angle. Furthermore, differences in the spectra of the ICRS groups are highlighted in the 2nd derivative average spectra (y-axes not in scale) within the mutual wavelength regions (I-IV).

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