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arxiv: 1907.01113 · v1 · pith:ASDWN2FInew · submitted 2019-07-02 · 💻 cs.LG · cs.CV· stat.ML

Robust Tensor Completion Using Transformed Tensor SVD

Pith reviewed 2026-05-25 11:24 UTC · model grok-4.3

classification 💻 cs.LG cs.CVstat.ML
keywords robust tensor completiontransformed tensor SVDunitary transformtubal rankhyperspectral datavideo dataface dataPSNR
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The pith

Transformed tensor SVD with non-Fourier unitary transforms yields higher PSNR in robust tensor completion than Fourier-based methods.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper studies robust tensor completion by replacing the discrete Fourier transform in tensor SVD with other unitary transform matrices. The central motivation is that some of these matrices produce tensors with lower tubal rank than the Fourier matrix does. Lower tubal rank makes the completion task easier to solve from partial and noisy observations. Experiments on hyperspectral, video, and face datasets report higher peak signal-to-noise ratio than both the Fourier version and other robust tensor completion techniques.

Core claim

Robust tensor completion is performed using transformed tensor singular value decomposition that employs unitary transform matrices. A lower tubal rank tensor can be obtained by using other unitary transform matrices than that by using discrete Fourier transform matrix. This leads to better recovery performance measured in PSNR on hyperspectral, video and face datasets compared to Fourier transform and other methods.

What carries the argument

Transformed tensor SVD, which applies arbitrary unitary transform matrices instead of the discrete Fourier transform matrix to produce a lower-tubal-rank representation for completion.

Load-bearing premise

A lower tubal rank tensor can be obtained by using other unitary transform matrices than that by using discrete Fourier transform matrix.

What would settle it

Direct numerical comparison on the same hyperspectral, video, and face datasets showing that the PSNR of the transformed-SVD method is not higher than the Fourier-transform baseline.

Figures

Figures reproduced from arXiv: 1907.01113 by Guangjing Song, Michael K. Ng, Xiongjun Zhang.

Figure 4.1
Figure 4.1. Figure 4.1: (a) Original images for Japser Ridge dataset; (b) Observed images (60% sampling ratio and 30% corrupted entries); (c) Recovered images by SNN [PSNR = 26.00]; (d) Recovered images by TMac [PSNR = 16.47]; (e) Recovered images by t-SVD (Fourier) [PSNR = 33.63]; (f) Recovered images by t-SVD (wavelet) [PSNR = 33.59]; (g) Recovered images by t-SVD (data) [PSNR = 37.38]. Here Proxg is the proximal mapping of g… view at source ↗
Figure 4.2
Figure 4.2. Figure 4.2: Recovered images by SNN, TMac, t-SVD (Fourier), t-SVD (wavelet) and t-SVD (data) in robust tensor completion for video data with 60% sampling ratio and 20% corrupted entries. (a) Original images. (b) Observed images. (c) SNN. (d) TMac. (e) t-SVD (Fourier). (f) t-SVD (wavelet). (g) t-SVD (data). × width × channels). We describe the three datasets in the following: • For the Samson dataset, we only utilize… view at source ↗
Figure 4.3
Figure 4.3. Figure 4.3: Recovered images by SNN, TMac, t-SVD (Fourier), t-SVD (wavelet), and t-SVD (data) in robust tensor completion for the extended Yale face database B with 60% sampling ratio and 20% corrupted entries. (a) Original images. (b) Observed images. (c) SNN. (d) TMac. (e) t-SVD (Fourier). (f) t-SVD (wavelet). (g) t-SVD (data). We display the visual comparisons of the testing data in robust tensor compeltion with … view at source ↗
read the original abstract

In this paper, we study robust tensor completion by using transformed tensor singular value decomposition (SVD), which employs unitary transform matrices instead of discrete Fourier transform matrix that is used in the traditional tensor SVD. The main motivation is that a lower tubal rank tensor can be obtained by using other unitary transform matrices than that by using discrete Fourier transform matrix. This would be more effective for robust tensor completion. Experimental results for hyperspectral, video and face datasets have shown that the recovery performance for the robust tensor completion problem by using transformed tensor SVD is better in PSNR than that by using Fourier transform and other robust tensor completion methods.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

2 major / 1 minor

Summary. The paper proposes robust tensor completion via transformed tensor SVD, replacing the standard discrete Fourier transform with other unitary transform matrices. The central motivation is that non-DFT unitary transforms yield tensors of lower tubal rank, which in turn improves recovery performance. Experiments on hyperspectral, video, and face data report higher PSNR than Fourier-based tensor methods and other robust completion baselines.

Significance. If the rank-reduction premise is verified and the PSNR gains are shown to arise from it rather than tuning or implementation details, the work would offer a simple, parameter-light way to improve tensor completion by transform choice. The absence of any reported tubal-rank tables or direct comparisons, however, leaves the claimed mechanism untested and limits the result's immediate impact.

major comments (2)
  1. [Abstract / Experiments] Abstract and experimental results section: the motivating claim that 'a lower tubal rank tensor can be obtained by using other unitary transform matrices' is never tested; no table or figure reports the tubal ranks (or their comparison) under DFT versus the chosen transforms (e.g., DCT) on the evaluated datasets. Without this measurement the observed PSNR gains cannot be attributed to the stated mechanism.
  2. [Method / Experiments] Method and experimental sections: the paper supplies no description of how the unitary transform matrix is selected for each dataset, nor any ablation on transform choice, error bars, or statistical significance of the PSNR differences. These omissions make it impossible to assess whether the reported improvements are robust or reproducible.
minor comments (1)
  1. [Preliminaries] Notation for the transformed SVD and the definition of tubal rank should be stated explicitly with equation numbers rather than left to the reader to infer from prior tensor-SVD literature.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for the constructive comments. We agree that direct verification of the tubal-rank reduction and additional experimental details are needed to strengthen the manuscript. We address each point below and will incorporate the suggested changes in the revision.

read point-by-point responses
  1. Referee: [Abstract / Experiments] Abstract and experimental results section: the motivating claim that 'a lower tubal rank tensor can be obtained by using other unitary transform matrices' is never tested; no table or figure reports the tubal ranks (or their comparison) under DFT versus the chosen transforms (e.g., DCT) on the evaluated datasets. Without this measurement the observed PSNR gains cannot be attributed to the stated mechanism.

    Authors: We acknowledge that the current manuscript does not report explicit tubal-rank values or comparisons across transforms. In the revised version we will add a table (or supplementary figure) listing the tubal ranks obtained with the DFT and the selected unitary transforms on each of the hyperspectral, video, and face datasets. This addition will directly test the motivating claim and allow readers to assess whether the observed PSNR improvements are consistent with the rank-reduction mechanism. revision: yes

  2. Referee: [Method / Experiments] Method and experimental sections: the paper supplies no description of how the unitary transform matrix is selected for each dataset, nor any ablation on transform choice, error bars, or statistical significance of the PSNR differences. These omissions make it impossible to assess whether the reported improvements are robust or reproducible.

    Authors: We agree that the selection procedure, ablation results, and statistical details are missing. In the revision we will (i) describe how the unitary transform is chosen for each dataset, (ii) include an ablation study comparing several candidate transforms, (iii) report error bars from multiple independent runs, and (iv) add statistical significance tests (e.g., paired t-tests) on the PSNR differences. These changes will make the experimental claims more reproducible and robust. revision: yes

Circularity Check

0 steps flagged

No significant circularity; algorithmic proposal validated empirically.

full rationale

The paper presents transformed tensor SVD as a methodological variant of tensor SVD for robust completion, with the motivation stated as an empirical premise about tubal rank rather than a derived claim. No equations, parameters, or results are shown to reduce by construction to fitted inputs, self-definitions, or self-citation chains. Performance assertions rest on direct experimental comparisons (PSNR on hyperspectral/video/face data) against baselines, making the chain self-contained without circular reductions. Absence of explicit tubal-rank tables is an evidentiary gap but does not create definitional or fitted-input circularity.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

Review performed on abstract only; no explicit free parameters, axioms, or invented entities are stated in the provided text.

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Works this paper leans on

55 extracted references · 55 canonical work pages · 2 internal anchors

  1. [1]

    M. Bai, X. Zhang, G. Ni, and C. Cui. An adaptive correction approach for tensor completion. SIAM J. Imaging Sci., 9(3):1298–1323, 2016

  2. [2]

    J. A. Bengua, H. N. Phien, H. D. Tuan, and M. N. Do. Efficient tensor completion for color image and video recovery: Low-rank tensor train. IEEE Trans. Image Process., 26(5):2466–2479, 2017

  3. [3]

    J.-F. Cai, E. J. Cand `es, and Z. Shen. A singular value thresholding algorithm for matrix comple- tion. SIAM J. Optim., 20(4):1956–1982, 2010

  4. [4]

    E. J. Cand `es, X. Li, Y . Ma, and J. Wright. Robust principal component analysis? J. ACM, 58(3):11, 2011

  5. [5]

    E. J. Cand `es and B. Recht. Exact matrix completion via convex optimization. Found. Comput. Math., 9(6):717–772, 2009

  6. [6]

    L. Chen, D. Sun, and K.-C. Toh. An efficient inexact symmetric Gauss-Seidel based majorized ADMM for high-dimensional convex composite conic programming. Math. Program., 161(1- 2):237–270, 2017

  7. [7]

    Y . Chen. Incoherence-optimal matrix completion. IEEE Trans. Inf. Theory , 61(5):2909–2923, 2015

  8. [8]

    Cichocki, D

    A. Cichocki, D. Mandic, L. De Lathauwer, G. Zhou, Q. Zhao, C. Caiafa, and H. A. Phan. Ten- sor decompositions for signal processing applications: From two-way to multiway component analysis. IEEE Signal Process. Mag., 32(2):145–163, 2015

  9. [9]

    Cui, M.-H

    L.-B. Cui, M.-H. Li, and Y . Song. Preconditioned tensor splitting iterations method for solving multi-linear systems. Appl. Math. Letter, 96:89–94, 2019

  10. [10]

    Daubechies

    I. Daubechies. Ten Lectures on Wavelets. PA, Philadelphia: SIAM, 1992

  11. [11]

    H. Fan, J. Li, Q. Yuan, X. Liu, and M. K. Mg. Hyperspectral image denoising with bilinear low rank matrix factorization. Signal Process., 163:132–152, 2019

  12. [12]

    M. Fazel. Matrix rank minimization with applications. PhD thesis, PhD thesis, Stanford Univer- sity, 2002

  13. [13]

    Gandy, B

    S. Gandy, B. Recht, and I. Yamada. Tensor completion and low-n-rank tensor recovery via convex optimization. Inverse Probl., 27(2):025010, 2011

  14. [14]

    Goldfarb and Z

    D. Goldfarb and Z. Qin. Robust low-rank tensor recovery: Models and algorithms. SIAM J. Matrix Anal. Appl., 35(1):225–253, 2014

  15. [15]

    D. Gross. Recovering low-rank matrices from few coefficients in any basis. IEEE Trans. Inform. Theory, 57(3):1548–1566, 2011. 26

  16. [16]

    Q. Gu, H. Gui, and J. Han. Robust tensor decomposition with gross corruption. In Adv. Neural Inf. Process. Syst., pages 1422–1430, 2014

  17. [17]

    W. Hu, D. Tao, W. Zhang, Y . Xie, and Y . Yang. The twist tensor nuclear norm for video comple- tion. IEEE Trans. Neural Netw. Learn. Syst., 28(12):2961–2973, 2017

  18. [18]

    Huang, C

    B. Huang, C. Mu, D. Goldfarb, and J. Wright. Provable models for robust low-rank tensor com- pletion. Pac. J. Optim., 11(2):339–364, 2015

  19. [19]

    Jain and S

    P. Jain and S. Oh. Provable tensor factorization with missing data. In Adv. Neural Inf. Process. Syst., pages 1431–1439, 2014

  20. [20]

    Ji, T.-Z

    T.-Y . Ji, T.-Z. Huang, X.-L. Zhao, T.-H. Ma, and G. Liu. Tensor completion using total variation and low-rank matrix factorization. Inf. Sci., 326:243–257, 2016

  21. [21]

    J. Q. Jiang and M. K. Ng. Exact tensor completion from sparsely corrupted observations via convex optimization. arXiv:1708.00601, 2017

  22. [22]

    Karlsson, D

    L. Karlsson, D. Kressner, and A. Uschmajew. Parallel algorithms for tensor completion in the CP format. Parallel Comput., 57:222–234, 2016

  23. [23]

    Kernfeld, M

    E. Kernfeld, M. Kilmer, and S. Aeron. Tensor–tensor products with invertible linear transforms. Linear Algebra Appl., 485:545–570, 2015

  24. [24]

    M. E. Kilmer, K. Braman, N. Hao, and R. C. Hoover. Third-order tensors as operators on matrices: A theoretical and computational framework with applications in imaging. SIAM J. Matrix Anal. Appl., 34(1):148–172, 2013

  25. [25]

    M. E. Kilmer and C. D. Martin. Factorization strategies for third-order tensors. Linear Algebra Appl., 435(3):641–658, 2011

  26. [26]

    T. G. Kolda and B. W. Bader. Tensor decompositions and applications.SIAM Rev., 51(3):455–500, 2009

  27. [27]

    T. G. Kolda and J. Sun. Scalable tensor decompositions for multi-aspect data mining. In Proc. 8th IEEE Int. Conf. Data Mining, pages 363–372. IEEE, 2008

  28. [28]

    X. Li, D. Sun, and K.-C. Toh. A Schur complement based semi-proximal admm for convex quadratic conic programming and extensions. Math. Program., 155(1-2):333–373, 2016

  29. [29]

    J. Liu, P. Musialski, P. Wonka, and J. Ye. Tensor completion for estimating missing values in visual data. IEEE Trans. Pattern Anal. Mach. Intell., 35(1):208–220, 2013

  30. [30]

    C. Lu, J. Feng, Y . Chen, W. Liu, Z. Lin, and S. Yan. Tensor robust principal component analy- sis: Exact recovery of corrupted low-rank tensors via convex optimization. In Proc. IEEE Conf. Computer Vis. Pattern Recognit., pages 5249–5257, 2016

  31. [31]

    C. Lu, J. Feng, Y . Chen, W. Liu, Z. Lin, and S. Yan. Tensor robust principal component analysis with a new tensor nuclear norm. IEEE Trans. Pattern Anal. Mach. Intell., 2019

  32. [32]

    C. D. Martin, R. Shafer, and B. LaRue. An order-p tensor factorization with applications in imaging. SIAM J. Sci. Comput., 35(1):A474–A490, 2013

  33. [33]

    Miwakeichi, P

    F. Miwakeichi, P. A. Valdes-Sosa, E. Aubert-Vazquez, J. B. Bayard, J. Watanabe, H. Mizuhara, and Y . Yamaguchi. Decomposing EEG data into space-time-frequency components using parallel factor analysis and its relation with cerebral blood flow. In Int. Conf. Neural Inf. Process., pages 802–810. Springer, 2007

  34. [34]

    C. Mu, B. Huang, J. Wright, and D. Goldfarb. Square deal: Lower bounds and improved relax- ations for tensor recovery. In ICML, volume 32, pages 73–81, 2014

  35. [35]

    M. K. Ng, Q. Yuan, L. Yan, and J. Sun. An adaptive weighted tensor completion method for the recovery of remote sensing images with missing data. IEEE Trans. Geosci. Remote Sens. , 55(6):3367–3381, 2017

  36. [36]

    T. D. Nguyen and G. Lee. Color image segmentation using tensor voting based color clustering. Pattern Recognit. Lett., 33(5):605–614, 2012. 27

  37. [37]

    Omberg, G

    L. Omberg, G. H. Golub, and O. Alter. A tensor higher-order singular value decomposition for integrative analysis of DNA microarray data from different studies. Proc. Natl. Acad. Sci. USA, 104(47):18371–18376, 2007

  38. [38]

    I. V . Oseledets. Tensor-train decomposition. SIAM J. Sci. Comput., 33(5):2295–2317, 2011

  39. [39]

    Oymak, A

    S. Oymak, A. Jalali, M. Fazel, Y . C. Eldar, and B. Hassibi. Simultaneously structured models with application to sparse and low-rank matrices. IEEE Trans. Inform. Theory, 61(5):2886–2908, 2015

  40. [40]

    K. N. Plataniotis and A. N. Venetsanopoulos. Color Image Processing and Applications. Berlin: Springer, 2000

  41. [41]

    Introduction to Tensor Decompositions and their Applications in Machine Learning

    S. Rabanser, O. Shchur, and S. G ¨unnemann. Introduction to tensor decompositions and their applications in machine learning. arXiv:1711.10781, 2017

  42. [42]

    B. Recht. A simpler approach to matrix completion. J. Mach. Learn. Res., 12:3413–3430, 2009

  43. [43]

    Recht, M

    B. Recht, M. Fazel, and P. A. Parrilo. Guaranteed minimum-rank solutions of linear matrix equations via nuclear norm minimization. SIAM Rev., 52(3):471–501, 2010

  44. [44]

    Romera-Paredes and M

    B. Romera-Paredes and M. Pontil. A new convex relaxation for tensor completion. InAdv. Neural Inf. Process. Syst., pages 2967–2975, 2013

  45. [45]

    L. R. Tucker. Some mathematical notes on three-mode factor analysis.Psychometrika, 31(3):279– 311, 1966

  46. [46]

    Wang and H

    B. Wang and H. Zou. Another look at distance-weighted discrimination. J. Royal Stat. Soc. B , 80(1):177–198, 2018

  47. [47]

    Q. Xie, Q. Zhao, D. Meng, and Z. Xu. Kronecker-basis-representation based tensor sparsity and its applications to tensor recovery. IEEE Trans. Pattern Anal. Mach. Intell. , 40(8):1888–1902, 2018

  48. [48]

    Y . Xu, R. Hao, W. Yin, and Z. Su. Parallel matrix factorization for low-rank tensor completion. Inverse Probl. Imaging, 9(2):601–624, 2013

  49. [49]

    Yang, X.-L

    J.-H. Yang, X.-L. Zhao, T.-H. Ma, Y . Chen, T.-Z. Huang, and M. Ding. Remote sensing image destriping using unidirectional high-order total variation and nonconvex low-rank regularization. J. Comput. Appl. Math., 363:124–144, 2020

  50. [50]

    X. Zhang. A nonconvex relaxation approach to low-rank tensor completion. IEEE Trans. Neural Netw. Learn. Syst., 30(6):1659–1671, 2019

  51. [51]

    Zhang and M

    X. Zhang and M. K. Ng. A corrected tensor nuclear norm minimization method for noisy low-rank tensor completion. SIAM J. Imaging Sci., 12(2):1231–1273, 2019

  52. [52]

    Zhang and S

    Z. Zhang and S. Aeron. Exact tensor completion using t-SVD. IEEE Trans. Signal Process. , 65(6):1511–1526, 2017

  53. [53]

    Zhang, G

    Z. Zhang, G. Ely, S. Aeron, N. Hao, and M. Kilmer. Novel methods for multilinear data comple- tion and de-noising based on tensor-SVD. In Proc. IEEE Conf. Computer Vis. Pattern Recognit., pages 3842–3849, 2014

  54. [54]

    P. Zhou, C. Lu, Z. Lin, and C. Zhang. Tensor factorization for low-rank tensor completion. IEEE Trans. Image Process., 27(3):1152–1163, 2018

  55. [55]

    F. Zhu, Y . Wang, B. Fan, S. Xiang, G. Meng, and C. Pan. Spectral unmixing via data-guided sparsity. IEEE Trans. Image Process., 23(12):5412–5427, 2014. 28