Publications

Refereed Journals

  1. S. Berretti, N. Werghi, A.D. Bimbo P. Pala, “Selecting stable keypoints and local descriptors for person identification using 3D face scans”, The Visual Computer, springer, 2014, pp. 31-41.
  2. N. Werghi, N. Medimegh, S. Gazzah, “Watermarking of 3D Triangular Mesh Models using Ordered Ring Facets, Transactions on Systems, Signals & Devices, Issues on Communication  Signal Processing, vol. 9, No. 3, 2014.
  3. A.Vivekanand, N. Werghi, H. Al-Ahmad, “Multi-scale Roughness Approach for Assessing Posterior Capsule Opacification”, IEEE Journal of Biomedical and Health Informatics, in press.
  4. F Taher, N Werghi, H. Al-Ahmad, C Donner, “Extraction and Segmentation of Sputum Cells for Lung Cancer Early Diagnosis”, Algorithms 6 (3), 512-531, 2013.
  5. S. Berretti, N. Werghi, A.D. Bimbo P. Pala, Matching 3D Face Scans using Interest Points and Local Histogram Descriptors”, Computers & Graphics, Elsevier. 2013.
  6. N. Werghi, M. Rahayem, J. Kjellander. “An ordered topological representation of 3D triangular mesh facial surface: Concept and applications”, EURASIP Journal on Advances in Signal Processing, pp.144, 2012.
  7. Fatma Taher, Naoufel Werghi, Hussain Al-Ahmad and Rachid Sammouda, “Lung Cancer Detection by Using Artificial Neural Network and Fuzzy Clustering Methods”, American Journal of Biomedical Engineering, Vol. 2, No. 3, June 2012.
  8. M Rahayem, N Werghi, J Kjellander, “Best ellipse and cylinder parameters estimation from laser profile scan sections”, Optics and Lasers in Engineering , 50 (9), 1242-1259, 2012.
  9. N. Werghi, “Extracting Ordered Patterns from a Triangular Mesh Surface: Approach and Potential Applications”, IEEE Potentials, Vol. 30, No.6, pp.34-43, November 2011.
  10. N.Werghi, “Assessing the Regularity of 3D Triangular Mesh Tessellation Using a Topological Structured Pattern”, Computer-Aided Design and Applications, Vol. 8, No.5, pp.633-648, 2011.
  11. F. Kamoun, N. Werghi, M. Al Blushi, “On the Appropriateness of Incident Management Systems in Developing Countries: A Case from the UAE”, Journal of Technology Management & Innovation, Vol. 5(4), pp.57-69, 2011.
  12. N. Werghi, H. Boukadida and Y. Meguebli, “The spiral facets: A unified framework for the analysis and description of 3D facial mesh surface”, 3D Research, Springer, Vol.1, No.3, p.1-11, 2010.
  13. N. Werghi, R. Sammouda, F. Alkirbi, “An unsupervised learning approach based on a Hopfield-like network for assessing Posterior Capsule Opacification from digital images”, Pattern Analysis and Applications, Springer, Vol. 13, No. 4, November 2010
  14. F. Kamoun, N. Werghi, M. AlBlushi, “GENIMS- A User-Centric and GIS-Enabled Incident Management System”, International Journal of Information and Communication Technology, Inderscience, Vol.2 Issue 3, pp.167-185., 2010
  15. N. Werghi, F.Kamoum, “A Decision-Tree based System for Student Academic Advising and Planning in Information Systems Program”, International Journal of Business Information Systems, Vol.5, No.1, pp.1-18, 2010 Inderscience.
  16. N. Werghi, “Robust 3D Object Registration Based on a Pairwise Matching of Geometric Distribution”, International Journal of Computers and Applications, ACTA press, Vol. 31, No.1, pp.1-8 2009.
  17. N. Werghi, Y. Xiao, P. Siebert , “A Functional-Based Segmentation of Human Body Scans inArbitrary Postures,” IEEE Transactions on Systems, Man, and Cybernetics, Vol. 36, No.1, pp. 153-165, February 2006.
  18. N. Werghi, “A Robust Approach for Constructing a Graph Representation of Articulated and Tubular-like Objects from 3D Scattered Data”, Pattern Recognition Letters, Elsevier, Volume 27, No.6, pp. 643-651, April 2006.
  19. N. Werghi, “A Discriminative 3D Wavelet-based Descriptors: Application to the Recognition of Human Body Postures”, Pattern recognition letters, Elsevier, Vol.26, No.5, pp.663-677, 2005.
  20. N. Werghi, “Segmentation and Modelling of Full Human Body Shape From 3D Scan Data: A Survey”, IEEE Transactions on Systems, Man, and Cybernetics, Vol.37, No.6, pp., November,2007.
  21. N. Werghi, Y. Xiao, P. Siebert , “Labeling of Three Dimensional Human Body Scans: A Topological Approach”, International Journal of Image and Graphics, Vol. 7, No. 2 , pp. 255-272, 2007.
  22. N.Werghi, “ A Geometric Distribution Based Approach For Aligning 3D Digital Object Models”, International Journal of Computers and Their Applications, ISCA press, Vol.14, No.4, pp.223-23, December 2007.
  23. N. Werghi, R.B. Fisher, C.Robertson, A. Ashbrook, “Shape Reconstruction Incorporating Multiple Non-Linear Geometric Constraints, Constraints Journal, Kluwer, Vol.7, No.2, pp. 117-149, 2002.
  24. N. Werghi, R.B. Fisher, C.Robertson, A. Ashbrook. Faithful Recovering of Quadric Surfaces From 3D Range Data By Global Fitting. International Journal of Shape Modeling, Vol.6, No.1, pp.65-78, 2000.
  25. N. Werghi, R.B. Fisher, C.Robertson, A. Ashbrook, “Object Modeling by Incorporating Geometric Constraints”, Computer-Aided Design, Elsevier, Vol.31, No.6, pp.363-399, May 1999.
  26. T M Aslam, B Dhillon, N Werghi, A Taguri, A Wadood, “Systems of analysis of posterior capsule opacification”, British Journal of Ophthalmology. No.86, pp.1181-1186 2002.
    Refereed Conferences
  27. Z. Qian, N.Werghi, et al , “Ensemble Learning for the Detection of Facial Dysmorphology”, Proc. IEEE Engineering in Medicine and Biology, Chicago, USA, 2014.
  28. N. Werghi, S. Berretti, A.D. Bimbo, “Computing Local Binary Patterns on DiscreteManifolds”, Proc. Int. Conf. Pattern Recognition, ICPR 2014, Stockholm , Sweden, 2014.
  29. N. Werghi, S. Berretti, A.D. Bimbo P. Pala, “The Mesh-LBP: Computing Local Binary Patterns on Discrete Manifolds”, Proc. ICCV 2013 workshop on 3D Representation and Recognition(3dRR-13)
  30. S Berretti, N Werghi, A Del Bimbo, P Pala, “Geometric histograms of 3D keypoints for face identification with missing parts”, Eurographics 2013 Workshop on 3D Object Retrieval, 57-64
  31. N. Werghi, S. Berretti, A.D. Bimbo P. Pala, “Local Descriptors matching or 3D Face Recognition”, IEEE Int, Conference on Image Processing , ICIP 2013, Melbourne, Australia, October 2013.
  32. N. Werghi, H. Bhaskar, M. K. Naqbi, Y. Meguebli, H. Boukadida, “The Spiral Facets: A Compact 3D Facial Mesh Surface Representation and Its Applications”, Lecture Notes on Communications in Computer and Information Science, Vol.274,Communications, Springer-Verlag. 2013
  33. N Werghi, N Bnouni, S Gazzah,” Data embedding of 3D triangular mesh models using ordered ring facets”, IEEE Systems, Signals & Devices (SSD), 2013 10th International Multi- Conference, Tunisia , 2013
  34. N Werghi, N Medimegh, S Gazzah, “Data embedding of 3D triangular mesh models using ordered ring facets”, IEEE Systems, Signals & Devices (SSD), 2013 10th International Multi-Conference,, Tunisia , 2013
  35. N. Werghi, “'Face-Tree: a Compact Discrete 3D Face Shape Representation”, IEEE International Conference on Communications, Signal Processing, and their Applications (ICCSPA'13). February 2013, Sharjah, UAE
  36. N.Werghi, C.Donner, F.Taher, H.AlAhamad, “Detection and segmentation of sputum cell for early lung cancer detection” IEEE International Conference on Image Processing, Orlando, USA 2012.
  37. N.Werghi, C.Donner, F.Taher, H.AlAhamad, “Segmentation Of Sputum Cell Image For Early Lung Cancer Detection”, IET Conference on Image Processing,London, UK, 2012.
  38. F. Taher, N. Werghi, H. AlAhmad, “A thresholding approach for detection of sputum cell for lung cancer early diagnosis”, IET Conference on Image Processing, pp.**,London, UK, 2012.
  39. N.Werghi, C.Donner, F.Taher, H.AlAhamad, “Cell Extraction from Sputum Images for Early Lung Cancer Detection”, 16th IEEE Mediterranean Electrotechnical Conference (MELECON) Hammamet, Tunisia, March 2012.
  40. F. Taher, N. Werghi and H. Al-Ahmad, “Sputum Image Detection and Extraction for Lung Cancer Early Diagnosis”, accepted to be appearing in the 11th International Conference on Information Science, signal processing and their application, 3-5, July, 2012, Montreal, Canada.
  41. F. Taher, N. Werghi, H. AlAhmad, “Extraction of Sputum Cells using Thresholding Techniques for Lung Cancer Detection”, Proc. 8th International Conference on innovation in Information Technology, Al Ain ,UAE, 2012.
  42. N.Werghi, M. Naqbi, “A Novel Surface Pattern for 3D Facial Surface Encoding and Alignment”, IEEE Conference on Systems, Man and Cybernetics (SMC2011), Anchorage, Alaska,USA, 2011.
  43. N. Werghi, M.K. Naqbi, "3D Face Matching: An Alignment Approach Using an Ordered Facial Surface", International Conference and Workshop on Current Trends in Information Technology, October 2011, Dubai, UAE
  44. N. Werghi, H.Bhaskar, Y.Meguebli, H.Boukadia, “The Spiral Facets: A Unified Framework for the Analysis and Description of 3D Facial Mesh Surfaces”, Proc. Int. Conference Computer Vision Theory and Applications (VISAPP) 2011, pp. 30-39, Algrave Portugal, 2011
  45. BEST PAPER AWARD.

  46. N. Werghi, H.Bhaskar, S. Almansouri, “Rectangular Empty Parking Space Detection Using Sift Based Classification”, Proc. Int. Conference Computer Vision Theory and Applications (VISAPP) 2011, pp. 30-39, Algrave Portugal, 2011
  47. F.Kamoun, N.Werghi, A. Belushi, a framework for guiding towards adopting appropriate ims solutions in developing countries”, Proc. IADIS Information Systems 2011, Avila, Spain, 2011.
  48. N. Werghi, H. Bhaskar, A. Malek, “Extraction and Alignment of Facial Regions for 3D Facial Image-Based Recognition”, IEEE GCC Conference, Dubai, UAE, February 2011.
  49. H.Bhaskar, N.Werghi, “Comparing Hough and Radon Transform based Parallelogram Detection”, IEEE GCC Conference, Dubai, UAE, February 2011.
  50. N. Werghi, “The 3D Facial Kernel: Application to Facial Surface Spherical Mapping and Alignment”, IEEE Conference on Systems, Man and Cybernetics (SMC2010) ,    Istanbul,Turkey, pp.356-361, October 2010.
  51. N.Werghi, H. Boukadida, Y. Meguebli, H. Bhaskar, “Nose Detection and Face Extraction from 3D Raw Facial Surface Based on Mesh Quality Assessment” IEEE IECON 2010 conference, Phoenix, AZ, USA, pp. 1161 - 1166 ,November 2010.
  52. H. Bhaskar, N. Werghi ,Saeed Al. Mansoori “Combined Spatial and Transform Domain Analysis for Rectangle Detection”, Proc. 13th International Conference on Information Fusion, Edinburgh, UK, 2010.
  53. N. Werghi, “Extracting Topologically Arranged Features From Triangular Mesh Facial Surface: The Approach and Potential Applications”, Int. Conf. Image Analysis and Recognition, Springer, Lecture Notes in Computer Science (LNCS) series, Halifax, Canada, pp. 491-501, 2009.
  54. N.Werghi, Hussein Fakhry, “A Network based Holistic Framework for Learning Outcomes Assessment in Information Systems Programs”, Proc. IADIS International Conference Information Systems , Barcelona, Spain February 2009
  55. N.Werghi, “The FacePrint:A New Representation for 3D Facial Shape”, Proc . 5th International Conference on Innovations in Information Technology, pp. Al Ain, UAE, 2008.
  56. N. Werghi, Faouzi Kamoun, “A Decisions-Tree Based System for Student Academic Advising and Planning in Information Systems Program” Proc. 13th Asian-Pacific Decision Sciences Conference, Brisbane, Autralia, July 2008
  57. N. Werghi, “The Discrete Surface kernel, Framework and Applications” Proc. IEEE Int. Conference on Cybernetics & Intelligent Systems, pp.888-892, Chengdu, China 2008.
  58. N.Werghi, “An unsupervised learning approach based on Hopefiled-like network forassessing posterior capsule opacifiaction”, Proc. International Conference on Machine Vision Applications, pp.416-419, Tokyo, Japan, 2007,
  59. N. Werghi, “Segmentation and Modelling of Full Human Body Shape from 3D Scan Data: A survey”, Proc. International Conference on Computer Vision and Applications, , pp.189-195, Setubal, Portugal February 2006.
  60. Y. Xiao, N.Werghi, P. Siebert, “Topological Segmentation of Discrete Human Body Shapes in Various Postures Based on Geodesic Distance”, Proc. International Conference on Pattern Recognition, pp.131-135, Cambridge, UK, August, 2004.
  61. Y. Xiao, N.Werghi, P. Siebert, “A Topological approach based on Discrete Reeb-Graph for the Segmentation of Human Body Scans”. Proc. IEEE Int. Conference on 3D Imaging and modeling, pp. pp. 378- 385, Alberta, Canada, October 2003
  62. Y. Xiao, N.Werghi, P. Siebert, “A Topological Approach for Segmenting Human Body Shape.”, Proc. Int. Conference on Image Analysis and Processing, pp.82- 87. Mantova, Italy, September 2003.
  63. N. Werghi, Y. Xiao, "Wavelet Moments for Recognizing Human Body Posture from 3D scans", Proc. International Conference on Pattern Recognition, pp.123-126, , Quebec City, Canada, September 2002.
  64. N.Werghi, Y.Xiao, “Posture Recognition and Segmentation from 3D Human Body Scans", Proc International Conference of 3D Data Processing Visualization and Transmission. Padova, Italy, pp. 456-570, June, 2002
  65. N. Werghi, “Recognition of Human Body Posture from a Cloud of 3D Data Points Using Wavelet Transform Coefficients”, Proc. International Conference on Automatic Face and Gesture Recognition Washington ,USA, May 2002
  66. N. Werghi, R.B Fisher, C. Robertson, “Cosntrained Object-Reconstruction Incorporating Freeform Surfaces”, Spanish Symposium on Pattern Recognition and Image Analysis. pp.273-280, Benicasim, Spain, May 2001
  67. Robertson, R. B. Fisher, N. Werghi, A. P. Ashbrook. "Fitting of Constrained Feature Models to Poor 3D Data", Proc. Adaptive Computing in Design and Manufacture, pp 149-160, Plymouth, UK, April, 2001
  68. N. Werghi, R.B. Fisher, A. Ashbrook, C.Robertson, “Faithful recovering of quadric surfaces from 3D range data.”, International Conference on 3-D Digital Imaging and Modeling , pp.280-289., Los Alamitos, CA, USA, 1999.
  69. R.B Fisher, A.P, Ashbrook AP, C. Robertson, N. Werghi . “A low-cost range finder using avisually located, structured light source”, Proc. International Conference on 3-D Digital Imaging and Modeling, pp.24-33. Los Alamitos, CA, USA 1999
  70. N. Werghi, R.B. Fisher, A. Ashbrook, C.Robertson, "Improving Second-order Surfaces Estimation", Proc. British Machine Vision Conference, pp 275—284, Nottingham, UK, September 1999.
  71. P. Ashbrook, R. B. Fisher, C. Robertson, N. Werghi, "Construction of Articulated Models from Range Data", Proc. British Machine Vision Conference, Nottingham, UK, pp 183-192, September 1999.
  72. Robertson, R. B. Fisher, N. Werghi, A. Ashbrook, "An Improved Algorithm to Extract Surfaces from Complete Range Descriptions", Proc. World Manuf. Conf, WMC'99, pp 592-598, ICSC Academic Press, Durham, September. 1999,
  73. N. Werghi, R.B. Fisher, A. Ashbrook, C.Robertson, “Improvement of Quadric Surface Estimation of Manufactured Objects”, Proc. 2nd World Manufacturing Congress, pp.587-591, Durham, UK, September, 1999.
  74. C.Robertson, R.B. Fisher, N. Werghi, A..P. Ashbrook. An Evolutionary Approach to Fitting Constrained Degenerate Second Order Surfaces. Proc. European Workshop on Evolutionary Inage Analysis, Signal Processing and Telecommunications, pp.1-16, Lecture Notes on Computer Sciences, Springer-Verlag, Goteborg, Sweden, May, 1999.
  75. N. Werghi, R.B. Fisher, A. Ashbrook, C.Robertson, “Modelling Objects Having Quadric Surfaces Incorporating Geometric Constraints. Proc. European Conference on Computer Vision, pp.185-201, Friburg, Germany, June 1998.
  76. P. Ashbrook, R. B. Fisher, C. Robertson, N. Werghi, “Finding Surface Correspondance for Object Recognition and Registration Using Pairwise Geometric Histograms”, Proc European Conference on Computer Vision, pp.674-686, Friburg, Germany, June, 1998.
  77. N. Werghi, R.B. Fisher, A. Ashbrook, C.Robertson Towards object modelling by incorporating geometric constraints. Proc IEEE International Workshop on Model-Based 3D Image Analysis,pp. 45-53, Bombay, India, January, 1998.
  78. P. Ashbrook, R. B. Fisher, C. Robertson, N. Werghi, “Segmentation of Range Data into Rigid Subsets using Planar Surface Patches”, . Proc. Int. Conference on Computer Vision, pp. 201-206, Bombay, India, January, 1998.
  79. N. Werghi, R.B. Fisher, A. Ashbrook, C.Robertson, “Improving model shape acquisition by incorporating geometric constraints” Proc. British Machine Vision Conference, pp. 520-529, Essex, UK, September, 1997.
  80. P. Ashbrook, R. B. Fisher, C. Robertson, N. Werghi, "Segmentation of Range Data into Rigid Subsets using Planar Surface Patches", Proc. British Machine Vision Conference BMVC97, Essex, pp 530—539, September, 1997.
  81. N. Werghi, C.Doignon, G.Abba, “Ellipse Fitting and Three-Dimensional Localization of Objects Based on Elliptic Features”, Proc. IEEE.International Conference on Image Processing. Vol.1, pp.57-60, Lausanne, Switzerland, September 1996.
  82. N. Werghi, C.Doignon, G.Abba, “Pose Estimation of Objects Based on Circular Patterns in Monocular Computer Vision”, Proc, SPIE’s Optical Science, Engineering and Instrumentation Symposium, Denver Colorado, USA, 1996.
  83. C.Doignon, N. Werghi, G.Abba, E.Ostertag, “Localization of Objects by a Monocular Vision System for Robotic Task”, Proc. International Conference on Intelligent Autonomous Systems (IAS-4); IOS press, pp. 513-520. Karlsruhe, Germany; March 1995.
  84. N.Werghi, C,Doignon, “Contour feature extraction withe Wavelet Transform and Parametrization of Elliptic Curves With an Unbiased Extended Kalman Filter”, Asian Conference on Computer Vision, Vol.3, Singapore, 1995, pp.186-190.
  85. Doignon, N.Werghi, G.Abba, “Reconnaissance et Localisation d’Objects en Robotique par un Systeme de Vision Monoculaire”. Proc. Industrial Conference in Industrial Automation, Vol.2, pp.5111-516, Nancy, France 1995.

Naoufel Werghi

Associate Professor

 

  • : 971 50 427 1945

  • DEPARTMENT Electrical and Computer Engineering Department (Sharjah Campus)
    Khalifa University
  • COUNTRYUK