Publications

External links: [Google Scholar], [DBLP]

Journal Publications

1. M. Nilchian, C. Vonesch, S. Lefkimmiatis, P. Modregger, M. Stampanoni, and M. Unser,
   Constrained regularized reconstruction of X-ray-DPCI tomograms with weighted-norm,
   Optics Express, vol. 21, issue 26, pp. 32340-32348, December 2013.
   [pdf] (new)

2. S. Lefkimmiatis and M. Unser,
   Poisson Image Reconstruction with Hessian Schatten-Norm Regularization,
   IEEE Transactions on Image Processing, vol. 22, no. 11, pp. 4314-4327, November 2013.
   [pdf] , [software] (new)

3. S. Lefkimmiatis, J.P. Ward, and M. Unser,
   Hessian Schatten-Norm Regularization for Linear Inverse Problems,
   IEEE Transactions on Image Processing, vol. 22, no. 5, pp. 1873-1888, May 2013.
   [pdf] , [software]

4. S. Lefkimmiatis, A. Bourquard, and M. Unser,
   Hessian-Based Norm Regularization for Image Restoration with Biomedical Applications,
   IEEE Transactions on Image Processing, vol. 21, no. 3, pp. 983-995, March 2012.
   [pdf]

5. S. Lefkimmiatis, P. Maragos, and G. Papandreou,
   Bayesian Inference on Multiscale Models for Poisson Intensity Estimation: Applications to Photon-Limited Image Denoising,
   IEEE Transactions on Image Processing, vol. 18, no. 8, pp. 1724-1741, Aug. 2009.
   [pdf]

6. S. Lefkimmiatis and P. Maragos,
   A generalized estimation approach for linear and nonlinear microphone array post-filters,
   Speech Communication, vol. 49, pp. 657–666, July 2007.
   [pdf]

Conference Publications

1. S. Lefkimmiatis, A. Roussos, M. Unser, and P. Maragos,
   Convex Generalizations of Total Variation based on the Structure Tensor with Applications to Inverse Problems,
   In 4th International Conference on Scale Space and Variational Methods in Computer Vision (SSVM), Graz, Austria, June 2013.
   [pdf], [appendix]

2. S. Lefkimmiatis and M. Unser,
   3D Poisson Microscopy Deconvolution with Hessian Schatten-Norm Regularization,
   In Proc. Int. Symp. on Biomedical Imaging (ISBI), San Francisco, CA, April 2013.
   [pdf]

3. D. Sage, H. Kirshner, C. Vonesch, S. Lefkimmiatis, and M. Unser,
   Benchmarking Image-Processing Algorithms for Biomicroscopy: Reference Datasets and Perspectives,
   In Proc. 21st European Signal Processing Conf. (EUSIPCO), Marrakech, Morocco, Sep. 2013.
   

4. S. Lefkimmiatis and M. Unser,
   A Projected Gradient Algorithm for Image Restoration under Hessian Matrix-Norm Regularization,
   In Proc. Int. Conf. on Image Processing (ICIP), Orlando, FL, Sep. 2012.
   [pdf], [software]

5. S. Lefkimmiatis, A. Bourquard, and M. Unser,
   Hessian-Based Regularization For 3-D Microscopy Image Restoration,
   In Proc. Int. Symp. on Biomedical Imaging (ISBI), Barcelona, Spain, May 2012.
   [pdf]

6. D. Zafer, S. Lefkimmiatis, A. Bourquard, and M. Unser,
   A Second-order Extension of TV Regularization for Image Deblurring,
   In Proc. Int. Conf. on Image Processing (ICIP), Brussels, Belgium, Sep. 2011.
   

7. S. Lefkimmiatis, G. Papandreou, and P. Maragos,
   Poisson-Haar transform: A nonlinear multiscale representation for photon-limited image denoising,
   In Proc. IEEE Int. Conf. on Image Processing (ICIP), Cairo, Egypt, Nov. 2009.
   [pdf]

8. S. Lefkimmiatis, G. Papandreou, and P. Maragos,
   Photon-limited image denoising by inference on multiscale models,
   In Proc. IEEE Int. Conf. on Image Processing (ICIP), San Diego, CA, Oct. 2008.
   [pdf]

9. S. Lefkimmiatis, P. Maragos, and A. Katsamanis,
   Multisensor multiband cross-energy tracking for feature extraction and recognition,
   In Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP), Las Vegas, NV, Apr. 2008.
   [pdf]

10. D. Dimitriadis, P. Maragos, and S. Lefkimmiatis,
    Multiband, multisensor features for robust speech recognition,
    In Proc. Int. Conf. on Speech Technology and Communication (ICSTC), Antwerp, Belgium, Aug. 2007.
    [pdf]

11. S. Lefkimmiatis and P. Maragos,
    Optimum Post-Filter Estimation for Noise Reduction in Multichannel Speech Processing,
    In Proc. 14th European Signal Processing Conf. (EUSIPCO), Florence, Italy, Sep. 2006.
    [pdf]

12. S. Lefkimmiatis, D. Dimitriadis, and P. Maragos,
    An Optimum Microphone Array Post-Filter for Speech Applications,
    In Proc. Int. Conf. on Spoken Language Processing (ICSLP), Pittsburgh, PA, Sep. 2006.
    [pdf]