Site Accessibility Statement
Wilfrid Laurier University Faculty of Science
November 1, 2014
 
 
Canadian Excellence

Research Publications



 

Refereed Journals Publications

  1.       Yasser Ebrahim, Maher Ahmed, Wegdan Abdelsalam and Siu-Cheung Chau, “Shape Representation and Description Using The Hilbert Curve”,  Journal of Pattern Recognition Letters, volume 30, issue 4, pp. 348-353, Elsevier, March 2009.

  2.        Ibrahim El Rube, Naif Alajlan, Mohamed Kamel, Maher Ahmed and George Freeman, “MTAR: A Robust 2D Shape Representation”, International Journal of Image and Graphics (IJIG), volume 6, no. 3, pp. 421-443, World Scientific, 2006.

  3.        Wegdan Abdelsalam, Yasser Ebrahim, Siu-Cheung Chau and  Maher Ahmed, “Using Classification for Managing Complexity of User Models In Location-Aware Applications”, ICGST International Journal on Artificial Intelligence and Machine Learning AIML, volume  Special Issue on AI Classification & Analysis Techniques,  2006. The conference version: Wegdan Abdelsalam, Yasser Ebrahim, Siu-Cheung Chau and Maher Ahmed, “Using Classification for Managing Complexity of User Models In Location-Aware Applications”, AIML 2005, CICC, Cairo, 19-21 December 2005.

  4.        Yasser Ebrahim, Wegdan Abdelsalam, Maher Ahmed and Siu-Cheung Chau, “A robust approach to grey-level object recognition based on shape, grey-level, and texture”, International Journal on Graphics, Vision and Image Processing, GVIP 2006,  volume 7, pp. 1-7,  Special Issue on Biometrics, 2006. The conference version: Yasser Ebrahim, Wegdan Abdelsalam, Maher Ahmed and Siu-Cheung Chau, “A robust Binary-Image Shape Representation and Matching” ICGST International Conference on Graphics, Vision and Image Processing, GVIP 2005, Cairo.

  5.        Yasser Ebrahim, Wegdan Abdelsalam, Maher Ahmed and Siu-Cheung Chau, “A 3D Shape Representation and Matching Approach for Robotic Vision”, ICGST International Journal on Special Issue on Automation, Robotics and Autonomous Systems, ARAS 2006.  The conference version: Yasser Ebrahim, Wegdan Abdelsalam, Maher Ahmed and Siu-Cheung Chau, “A 3D shape representation and matching approach for robotic vision” ICGST International Conference on Automation, Robotics and Autonomous Systems, ARAS 2005, Cairo.

  6.        Yasser Ebrahim, Wegdan Abdelsalam, Maher Ahmed and Siu-Cheung Chau, “An Adaptive approach to Binary-Image Shape Representation and Matching”, International Journal on Graphics, Vision and Image Processing, GVIP 2006, volume Special Issue on Biometrics, 2006. The conference version: Yasser Ebrahim, Wegdan Abdelsalam, Maher Ahmed and Siu-Cheung Chau, “An integrated approach to grey-level object recognition” ICGST International Conference on Graphics, Vision and Image Processing, GVIP 2005, Cairo.

  7.        Ibrahim El Rube, Maher Ahmed and Mohamed Kamel, “Wavelet Approximation-Based Affine Invariant Shape Representation Functions”, IEEE Trans. Pattern Anal. Mach. Intell, volume 28, issue 2, pp. 323-327, IEEE Computer Society 2006.

  8.        Maher Ahmed, Rabab Ward and Nawwaf Kharma, "Solving Mathematical Problems Using Knowledge-base Systems", Mathematics and Computers in Simulation Journal, Applications of Computer Algebra in Science, Engineering, Simulation and Special Software, volume 67, issues 1-2, pp. 149-161, Elsevier 2004.

  9.        Maher Ahmed and Rabab Ward, “A Rotation Invariant Rule-Based Thinning Algorithm for Character Recognition”, IEEE Trans. Pattern Anal. Mach. Intell. volume 24, issue 2, pp. 1672-1678, IEEE Computer Society 2002.

  10.     Maher Ahmed and Rabab Ward, “An expert system for the recognition of general symbols”, Pattern Recognition, volume 33, issue 12, pp. 1975-1988, Elsevier 2000.

  11.     Maher Ahmed and Rabab Ward, “A Fast One Pass Knowledge-Based System For Thinning”, The Journal of Electronic Imaging, volume 7 issue 1, pp. 111-116, IS&T-The Society for Imaging Science & Technology and SPIE--The International Society for Optical Engineering 1998. 


 

Refereed Conferences Publications

1.       Wegdan Abdelsalam, Siu-Cheung Chau, David Chiu, Yasser Ebrahim, and Maher Ahmed "Moving Object modeling approach for lowering uncertainty in Location Tracking Systems", Proceedings of the Canadian Conference on Artificial Intelligence St. John's Newfoundland and Labrador,  Lecture Notes in Computer Science volume 6657, pp. 26-31, Springer May 2011

2.       Yasser Ebrahim, Maher Ahmed, Siu-Cheung Chau and Wegdan Abdelsalam, “Significantly improving Scan-Based Shape Representations Using Rotational Key Feature points”, in Proceedings of the International Conference on Image Analysis and Recognition, ICIAR 2010, Portugal, Lecture Notes in Computer Science, volume 6111, pp. 284-293, Springer June 2010.

3.       Jeff Armstrong, Maher Ahmed and Siu-Cheung Chau, “A Rotation-Invariant Approach to 2D Shape Representation using the Hilbert Curve", in Proceedings of the International Conference on Image Analysis and Recognition, ICIAR 2009, Halifax, Canada, Lecture Notes in Computer Science, volume 5627, pp. 594-603, Springer July 2009.

4.       Wegdan Abdelsalam, Siu-Cheung Chau, David Chiu, Maher Ahmed and Yasser Ebrahim, “ROOTS, The ROving Objects Trip Simulator”, in Proceedings of the 11th International Symposium on Spatial and Temporal Databases, SSTD 2009, Denmark, Advances in Spatial and Temporal Databases, Lecture Notes in Computer Science, volume 5644, pp. 445-449,  Springer July 2009.

5.       Yasser Ebrahim, Maher Ahmed, Siu-Cheung Chau and Wegdan Abdelsalam, “A Novel Warping Distance Measure”,  in Proceedings of the IEEE International Conference on Image Processing, ICIP 2008, San Diego pp. 2172-2175, IEEE press October 2008.

6.       Yasser Ebrahim, Maher Ahmed, Siu-Cheung Chau and Wegdan Abdelsalam, “Shape Matching Using a Novel Warping Distance Measure”, in Proceedings of the International Conference on Image Analysis and Recognition, ICIAR 2008, Portugal , Lecture Notes in Computer Science, volume 5112, pp. 465-474, Springer June 2008,.

7.       Yasser Ebrahim, Maher Ahmed, Siu-Cheung Chau and Wegdan Abdelsalam, “A Template-Based Shape Representation Technique”, in Proceedings of the International Conference on Image Analysis and Recognition, ICIAR 2008, Portugal, Lecture Notes in Computer Science, volume 5112, pp. 497-506, Springer June 2008.

8.       Yasser Ebrahim, Maher Ahmed, Siu-Cheung Chau and Wegdan Abdelsalam, "A View-Based 3D Object Shape Representation Technique", in Proceedings of the International Conference on Image Analysis and Recognition, ICIAR 2007, Montreal, Canada, Lecture Notes in Computer Science, volume 4633, pp. 411-422, Springer August 2007.

9.       Yasser Ebrahim, Maher Ahmed, Siu-Cheung Chau and Wegdan Abdelsalam, “An Efficient Shape Representation and Description Technique”, in Proceedings of the 14th IEEE International Conference on Image Processing, ICIP 2007, San Antonio, Texas, USA, volume 6,  pp. 441- 444, IEEE press September 2007.

10.    Wegdan Abdelsalam, Yasser Ebrahim, Siu-Cheung Chau, and Maher Ahmed, “A Roving User Modeling Framework for Location Tracking Applications”, Proceedings of the 9th International IEEE Conference on Intelligent Transportation Systems, Toronto, Canada, pp. 169-194, IEEE press September 2006.

11.    Wegdan Abdelsalam, Siu-Cheung Chau, Maher Ahmed and Yasser Ebrahim, “Managing Uncertainty in Location Based Applications”, Proceedings of the IEE Mobility Conference 2005, November 2005, Guangzhou, China.

12.    Ibrahim El Rube, Naif Alajlan, Mohamed Kamel, Maher Ahmed and George Freeman, “Efficient Multiscale Shape-Based Representation and Retrieval”, ICIAR 2005, Toronto, volume 3656, pp 415-422, Lecture Notes in Computer Science, Springer 2005.

13.    Ibrahim El Rube, Naif Alajlan, Mohamed Kamel, Maher Ahmed and George Freeman, “Robust Multiscale Triangle-area Representation for 2D Shapes”, ICIP 2005, Genoa, Italy, volume 1, 11-14, pp. 545-548, September 2005.

14.    Yasser Ebrahim, Wegdan Abdelsalam, Maher Ahmed and Siu-Cheung Chau, “Binary-Image Shape Representation and Matching Using the Hilbert Filling Curve and Wavelet Approximation”, in Proceedings of the IASTED International Conference on Visualization, Imaging, and Image Processing 2005, , Benidorm, Spain, pp. 530-535, ACTA press, September 2005.

15.    Yasser Ebrahim, Wegdan Abdelsalam, Maher Ahmed and Siu-Cheung Chau, “Proposing a Hybrid Tag-Camera-Based Identification and Navigation Aid for the Visually Impaired”, in Proceedings of the IEEE Consumer Communication and Networking Conference, Las Vegas, pp. 172-177, IEEE press January 2005.

16.    Wegdan Abdelsalam, Siu-Cheung Chau, Maher Ahmed and Yasser Ebrahim, “A User Modeling Approach to Improving Estimation Accuracy in Location-tracking Applications”, Proceedings of the third ACS/IEEE International Conference on Computer Systems and Applications (AICCSA-05), Cario, Pages: 105-vii January 2005.

17.    Yasser Ebrahim, Wegdan Abdelsalam, Maher Ahmed and Siu-Cheung Chau, “BarTag, a Camera-Based System for Face-to-Face Automatic Identification and Communication”, The Sixth International Conference on Ubiquitous Computing (Ubicomp), in Proceedings of  2nd International Workshop on Ubiquitous Systems for Supporting Social Interaction and Face-to-Face Communication in Public Spaces, Nottingham, pp. 33-37, IEEE press September 2004.

18.    Ibrahim El Rube, Mohamed Kamel and Maher Ahmed, “Wavelet approximation-based affine invariant 2-d shape matching and classification”, ICIP 2004, Singapore, pp. 2139-2142, IEEE press October 2004.

19.    Miroslav Koprnicky, Maher Ahmed and Mohamed Kamel, “Contour Description Through Set Operations on Dynamic Reference Shapes”, ICIAR 2004, Portugal, volume 3211, pp. 400-407, Lecture Notes in Computer Science, Springer 2004.

20.    Ibrahim El Rube, Mohamed Kamel and Maher Ahmed, “2-D Shape Matching Using Asymmetric Wavelet-Based Dissimilarity Measure”, ICIAR 2004, Portugal, volume 3211, pp. 368-375,  Lecture Notes in Computer Science, Springer 2004.

21.    Ibrahim El Rube, Maher Ahmed and Mohamed Kamel, “Coarse-to-Fine Multiscale Affine Invariant Shape Matching and Classification”, 17th International Conference on Pattern Recognition (ICPR'04) - volume 2, pp.163-166, IEEE Computer Society 2004.

22.    Ibrahim El Rube, Maher Ahmed and Mohamed Kamel, “Affine Invariant Multiscale Wavelet-Based Shape Matching Algorithm”, CRV 2004, pp. 217-224, 2004

23.    Stephen Pearce and Maher Ahmed, “An Evolutionary Algorithm for General Symbol Segmentation”, ICDAR 2003, pp. 726-730, IEEE Computer Society 2003.

24.    Ibrahim El Rube, Maher Ahmed and Mohamed Kamel, “New Wavelet-Based Invariant Shape Representation Functions”, IbPRIA 2003, volume 2652, pp. 221-228, Lecture Notes in Computer Science, Springer, September 18, 2003.

25.    Derek Morin and Maher Ahmed, "Dorfo:  A Competitive Othello Program," the International Conference on Application and Development of Computer Game in the 21th  Century, (ADCOG21), Hong Kong, November 22-23, 2001.

26.    Maher Ahmed and Rabab Ward, “A Novel Intelligent System for Defining Similar Symbols,” 1999 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, (PACRIM’99), University of Victoria, BC, Canada, pp. 197-200, August 23-25, 1999.

27.    Nawwaf Kharma, Maher Ahmed and Rabab Ward, ”A New Comprehensive Database of Hand-written Arabic Words, Numbers, and Signatures used for OCR Testing,” IEEE Canadian Conference on Electrical & Computer Engineering, Edmonton, Alberta, Canada, pp. 766-799, May 9 – 12, 1999.

28.    Maher Ahmed and Mohamed Bayoumi, “An Artificial Intelligent Instructor for Electrical Circuits”, 37th Midwest Symposium on Circuits and Systems, Lafayette, Louisiana, volume 2, pp. 1362-1365, August 2-5, 1994.

29.    Ossama Eldessouki, Ayman Eldessouki, Ahmad Nazif and Maher. Ahmed, “An ATN Approach for Understanding Arabic Sentences,” 11 NCC, KFU, Dahran, Saudi Arabia, pp. 762-773, March 4-7, 1989.

30.    Ayman Eldessouki, Ahmed Nazif, Ossama Eldessouki and Maher. Ahmed “An Expert System for Understanding Arabic Sentences,” in Proceedings of the 10th National Computer Center, Saudi Arabia, pp. 745-759, 28 February - 2 March, 1988.

 

Non-refereed conference publication

Maher Ahmed, Rabab Ward, Nawwaf Kharma "Solving Mathematical Problems Using Knowledge-base Systems", ACA2002, Volos, Greece, June 25-28, 2002.