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- W4381736350 abstract "In diffuse optical spectroscopy, the retrieval of the optical properties of a target requires the inversion of a measured reflectance spectrum. This is typically achieved through the use of forward models such as diffusion theory or Monte Carlo simulations, which are iteratively applied to optimize the reconstruction of the optical parameters. In this paper, we propose a novel neural network-based approach for solving this inverse problem, and establish its performance using experimentally measured diffuse reflectance data from a previously reported phantom study. Our inverse model was developed from a neural network forward model that was pre-trained with data from Monte Carlo simulations. The neural network forward model then creates a lookup table to invert the diffuse reflectance to the optical coefficients. We describe the construction of the neural network-based inverse model and test its ability to accurately retrieve optical properties from experimentally acquired diffuse reflectance data in liquid optical phantoms. Our results indicate that the developed neural network-based model achieves comparable accuracy to traditional Monte Carlo-based inverse models while offering improved speed and flexibility, potentially providing an alternative for developing faster clinical diagnosis tools. This study highlights the potential of neural networks in solving inverse problems in diffuse optical spectroscopy." @default.
- W4381736350 created "2023-06-24" @default.
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- W4381736350 date "2023-06-23" @default.
- W4381736350 modified "2023-09-26" @default.
- W4381736350 title "Neural Network-based Inverse Model for Diffuse Reflectance Spectroscopy" @default.
- W4381736350 doi "https://doi.org/10.1364/opticaopen.22332649.v2" @default.
- W4381736350 hasPublicationYear "2023" @default.
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