Input : X, ρ, α and K $\mathbf{\text{Output}}:\widehat{X}$ (X after imputing) 1. for m = 1 to N 2.   Construction of low  rank  tensor ΤΩ of Xm $3:\mathrm{Set}{\mathcal{Y}}_{\mathrm{\Omega }}={{\rm T}}_{\mathrm{\Omega }}\text{and}{\mathcal{Y}}_{\overline{\mathrm{\Omega }}}=0,\mathcal{Y}=M_i$ 4 :   for k = 0 to K do 5 :    for i = 1 to n do $6:M_{i\left(i\right)}={\mathit{D}}_{\frac{{\alpha }_i}{\rho }}\left({\mathcal{Y}}_{\left(i\right)}+\frac{1}{\rho }{y}_{i\left(i\right)}\right)$ 7 :      Mi = foldi[Mi(i)] 8 :    end for $9:{\mathcal{Y}}_{\overline{\Omega }}=\frac{1}{n}{\left({\sum }_{i=1}^n{M}_i-\frac{1}{\rho }{y}_i\right)}_{\overline{\Omega }}$ $10:y_i=y_i-\rho \left(M_i-\mathcal{Y}\right)$ 11 :  end for 12:extract ${\widehat{X}}_m$ from $\mathcal{Y}$ 13 : end for 14: $X^{\ast }=\left({\widehat{X}}_1,{\widehat{X}}_2,\dots ,{\widehat{X}}_m\right)$ and use Eq. (16) to remove negative values