Ground Radioactivity Distribution Reconstruction and Dose Rate Estimation Based on Spectrum Deconvolution.

It can be seen that as the total activity of radionuclides increases, the absolute value of RMSE shows an increasing trend, while the relative RMSE shows a decreasing trend, which means the error of the deconvolution results would decrease as the statistical fluctuation level decreases, and the cosine similarity gradually converges to 1, indicating that the deconvolution results gradually approach the true results.

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