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Fig. 5


Incomplete spectrum, the true spectrum, and the spectra repaired by RBM and PCA. The left panel shows a stellar spectrum, the middle panel shows a galaxy spectrum, and the right panel shows a QSO spectrum. These spectra are selected from D1 (S/N> 20). The incomplete spectra are obtained by setting the fluxes of the true spectra at 300 contiguous wavelength bins to zero.

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