Jie Zheng, Dongyuan Liu, Qi Zhang, Limin Zhang, Feng Gao. Mucosal Lesion Diagnosis System Using Joint Sub-Diffusive Domain Diffuse Reflectance and Fluorescence Spectroscopy[J]. Chinese Journal of Lasers, 2022, 49(20): 2007104
- Chinese Journal of Lasers
- Vol. 49, Issue 20, 2007104 (2022)
Fig. 1. Diagram of light transmission in sub-diffusive domain of mucosal tissue
Fig. 2. Schematic and physical picture of system. (a) Schematic of system; (b) physical picture
Fig. 3. Schematic of light source module
Fig. 4. MC simulation model and results. (a) MC model with two-layer structure ; (b) ratio of number of photons not reaching Z1 depth to that reaching Z1 depth
Fig. 5. Optical fiber combined probe. (a) Schematic of probe tip; (b) physical picture
Fig. 6. Flow chart of system operation
Fig. 7. Mean spectral intensity and standard deviation of spectral intensity . (a) White LED; (b) ultraviolet LED
Fig. 8. In vitro tissues of four animals. (a) Porcine muscle; (b) chicken breast; (c) pork belly; (d) pork shoulder
Fig. 9. Spectral slopes of different tissues at different wavelengths. (a) SDS of 500 μm; (b) SDS of 900 μm
Fig. 10. Spectra of two mucosal tissues. (a) DRS-500; (b) DRS-900; (c) AFS-500; (d) AFS-900
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Table 1. Classification results of three groups of in vitro tissues in full-band spectra
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Table 2. Classification results of three groups of in vitro tissues in characteristic band spectra
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