Yanqiu LIU, Xiangong HU, Heng ZHANG, Hongbo GUO, Xiaowei HE. Application of spectral differential strategy in diffusion approximation model and simplified spherical harmonic approximation model[J]. Optics and Precision Engineering, 2022, 30(18): 2167
- Optics and Precision Engineering
- Vol. 30, Issue 18, 2167 (2022)
Fig. 1. Numerical simulation experiment settings
Fig. 2. X -Z plane projection of surface luminescence fluxes obtained by the MC， DE and SP3， respectively.
Fig. 3. Average errors of surface light energy obtained by MC and DE （SP3） and the average errors after applying the spectral differential
Fig. 4. Cosine similarity of surface light energy obtained by MC and DE （SP3） and the cosine similarity calculated by the difference of energy between each measured wavelength obtained by MC and DE （SP3）
Fig. 5. Experimental results of source reconstruction
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Table 1. Optical parameters of the mouse tissues at different wavelengths.
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Table 2. Quantitative results in source reconstruction experiment
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