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Multidimensional clinical data denoising via Bayesian CP factorization

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CANDECOMP/PARAFAC (CP) tensor factorization is an efficient technique for incomplete tensor-data processing through capturing the multilinear latent factors. Based on the incorporate a sparsity-inducing prior over multiple latent factors and appropriate hyper-priors over all hyper-parameters, a Bayesian-based hierarchical probabilistic CP factorization model could be formed. By this way, the rank of the incomplete tensor can be determined automatically. In this paper, we explored the tensor completion method in processing incomplete multidimensional electroencephalogram (EEG) and magnetic resonance imaging (MRI) clinical data. The empirical results indicated that the Bayesian CP tensor factorization of incomplete data method can effectively recover EEG signal with missing data and denoised the noisy MRI data.

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Author information

Correspondence to QiBin Zhao or JianHai Zhang or JianTing Cao.

Additional information

This work was supported by the JSPS KAKENHI, Japan (Grant Nos. 17K00326 and 18K04178), the National Natural Science Foundation of China (Grant Nos. 61773129, 61633010) and the JST CREST, Japan (Grant No. JPMJCR1784).

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Cite this article

Cui, G., Zhu, L., Gui, L. et al. Multidimensional clinical data denoising via Bayesian CP factorization. Sci. China Technol. Sci. 63, 249–254 (2020). https://doi.org/10.1007/s11431-018-9493-9

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  • electroencephalogram (EEG)
  • magnetic resonance imaging (MRI)
  • Bayesian
  • tensor factorization