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Publications




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Okaniwa, Shoichi; Nasri, Ahmad; Lin, Hongwei; Abbas, Abdulwahed; Kineri, Yuki; Maekawa, Takashi,
Uniform B-spline Curve Interpolation with Prescribed Tangent and Curvature Vectors, IEEE Transaction on Visualization and Computer Graphics to appear 2011

 

 
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Hamekasi, Nader; Samavati, Faramarz; Nasri, Ahmad,
Interactive Modeling of Muqarnas, Proceedings of the Joint International Symposia on Computational Aesthetics in Graphics, Visualization, and Imaging, Sketch-Based Interfaces and Modeling, and Non-Photorealistic Animation and Rendering, 5-7 August 2011, Vancouver, Canada co-organized by ACM Siggraph and Eurographics.

 

 
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Abdulwahed Abbas, Ahmad Nasri, Takashi Meakawa.
Generating B-spline Curves with Points, Normals, and Curvature: A constructive approach, The Visual Computer Journal, Vol. 26, No. 6-8, pp 823-829, 2010.

 

 
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Sketch-Based Garment Design and Animation

Zahraa Yasseen, Ahmad Nasri, Pascal Volino, Nadia Magnenat-Thalmann, Wajih Boukaram
Mesh Garment Design and Animation, Proceedings of the Computer Graphics International 2010, Singapore. ISBN 978-2-8399-0707-1

 

 
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Diab, Hassan, Kashani, Ali, Nasri, Ahmad
Cache Replacement Engine: A fuzzy Logic Approach, IEEE Proceedings of Computer Trends and Information Technology, Higher College of Technology, Dubai, December, 2009.

 

 
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Sketch-Based Subdivision Objects for Computer Graphics

Nasri, Ahmad and Bou Karam, Wajih and Samavati, Faramarz
Sketch-based subdivision models, SBIM '09: Proceedings of the 6th ACM/Eurographics Symposium on Sketch-Based Interfaces and Modeling, ISBN 978-1-60558-602-1, 53--60, New Orleans, Louisiana, doi 10.1145/1572741.1572751, ACM, New York, NY, USA.

 

 
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George M. Turkiyyah, Wajih Bou Karam, Zeina Ajami, Ahmad Nasri
Mesh Cutting During Real-time Physical Simulation, Computer-Aided Design journal,, Published online October, 2010

 

 
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Turkiyyah, George and Karam, Wajih Bou and Ajami, Zeina and Nasri, Ahmad.
Mesh Cutting During Real-time Physical Simulation, the 2009 SIAM/ACM Joint Conference on Geometric and Physical Modeling, 978-1-60558-711-0}, pages: 159--168, San Francisco, California, doi: 10.1145/1629255.1629275, ACM, New York, NY, USA.

 

 
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Filling n-sided holes in Subdivision Surfaces

Ahmad Nasri, Malcolm Sabin, Zahraa Yasseen.
Filling N-sided holes for Subdivision Surfaces, Computer Graphics Forum Journal, Vol. 28, No. 6, p. 1644-1658, 2009. DOI: 10.1111/j.1467-8659.2009.01417.x,

 

 
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Multi-component Image Segmentation Using a Hybrid Dynamic Genetic Algorithm and Fuzzy C-Means

Awad, M., Chehdi, K., Nasri, A.,
Multi-component Image Segmentation Using a Hybrid Dynamic Genetic Algorithm and Fuzzy C-Means, IET image processing, Vol. 3, No. 2, p. 52-62, 2009.

 

 
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Abdulwahed M. Abbas, Edward P. K. Tsang, Ahmad H. Nasri.,
DEPICT: A High-level Formal Language for Modeling Constraint Satisfaction Problems, International Journal of Automation and Computing, Vol 05, No 2, pp 208-216, April 2008.

 

 
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Ahmad Nasri, Fatima Abu Salem, George Turkiyyah,
Subdivision for Graphics and Visualization, in
Graphics and Visualization Principles & Algorithms,
Eds. T. Theoharis, G. Papaioannou, N. Platis, N.M.
Patrikalakis, pp 251--302, AK Peters, 2008, ISBN 978-1-56881-274-8.

 

 

Richard Pusch, Faramarz Samavati, Ahmad Nasri, Brian Wyvill,
Improving the Sketch-Based Interface: Forming Curves from Many Small
Strokes
, The Visual Computer Journal, Vol. 23, No. 9, pp 955--962, 2007, ISSN:0178-2789

 

 
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Awad, M., Chehdi, K., Nasri, A., A survey on Genetic
Algorithm, Fuzzy C-Means, and Artificial Neural Network Image
Segmentation Methods, in Proc. of CTTACS Conference, Beirut, pp. 65-80. February 2008.


 

Awad, M., Chehdi, K., Nasri, A., Enhancement of the
Segmentation Process of Multi-Component Images Using Fusion with Genetic
Algorithm, in Proc. of IEEE SSD'08 conference, p 1-6, Amman, Jordan,
ISBN: 978-1-4244-2205-0 INSPEC Accession Number: 10364998
Doi: 10.1109/SSD.2008.4632876.

 

 

Tianyun Ni, Ahmad Nasri, Jorg Peters
Ternary Subdivision for quadrilateral Meshes,
 
Computer Aided Geometric Design, Vol. 24, pp. 361-370, 2007.



 
Tianyun Ni, Ahmad Nasri.
TunedTernary Quad Based Subdivision,
 
Proceedings of the 4th International conference of Geometric Modeling and Processing - GMP2006,
Pittsburgh, Lecture Notes in Computer Science 4077, K. Myung-Soo, and Shimada Knji (Eds.), pp.  441-450, Springer.


.Feature Curves with Cross Curvature Control on Catmull-Clark Subdivision Surfaces

 

A. Nasri, M. Sabin, R. Abu Zaki, N. Nassiri, R. Santina
Feature Curves with Cross Curvature Control on Catmull-Clark Subdivision Surfaces,
Proceedings of the Computer Graphics International 2006, Lecture Notes in Computer Science 4035, H.P. Seidel, T. Nishita,
 and Q. Peng (Eds.), pp. 761-768, Springer. 2006


 

Embedding Regular Analytic Shapes within Subdivision Surfaces,

A. Abbas, A. Nasri, W. Ma,
An Approach for Embedding Regular Analytic Shapes within Subdivision Surfaces,
Proceedings of the Computer Graphics International 2006, Lecture Notes in Computer Science 4035, H.P. Seidel, T. Nishita, and Q. Peng (Eds.), pp. 761-768, Springer, 2006.

Keyrouz, K. Jibai, N, Turkiyyah, G. Nasri, A.,  Choueiri, E.
 Topological Abstraction for Implementing Recursive Subdivision Surface Computations,
Journal of Computer-Aided Design and Applications, Vol. 3, Nos. 1-4, 2006. http://www.cadanda.com

Abbas A. , Nasri A.
 DEPICT: A High-Level Formal Language for Modelling Constraint Satisfaction Problems.
 Proceeding of ACS/IEEE International Conference on Computer Systems and Applications, Sharjah,  8-11 March, 2006


Abbas A. , Nasri A.
Interpolating Meshes of Curves by Catmull-Clark Subdivision Surfaces with Shape Parameters,
Proceedings of Computer Aided Design and Computer Graphics 2005 , Hong Kong, December, 2005


Abbas A. , Nasri A.
A Generalized Scheme for constructing meshes of  Catmull-Clark Subdivision surfaces interpolating net of curves
International Journal of Computer Aided Design and Manufacturing, Vol. 5, No. 1, pp. 89-96, 2005.


Abbas A. , Nasri A.
Scattered Data Interpolation Using Catmull-Clark Subdivision Surfaces,
Journal of Computer Aided Desing and Applications, 2005.


 

Abbas A. , Nasri A.
Interpolating Multiple Intersecting Curves Using Catmull-Clark Subdivision Surfaces,
Journal of Computer Aided Desing and Applications, Vol. 1, No 1-4, pp 25-32, 2004.



 

Sederberg T., Zheng J, Bakenov A., Nasri A.
T-splines and T-NURCCs, ACM Transaction on Graphics, Vol. 22 No. 3, ACM SIGGRAPH 2003,
San Diego,
ISBN 0730-0301, p. 477-484, ACM Press, 2003


 

Nasri A., Abbas, A. and Hasbini, I.
Skinning Catmull-Clark Subdivision Surfaces With Incompatible Cross-sectional Curves,
Proceedings of Pacific Graphics 2003, Canmore, Canada,
ISBN 0-7695-2028-6,
p. 102-111, IEEE Press, 2003.



 

 

 

A. Abbas , Ahmad Nasri
Deformation of Catmull-Clark Subdivision Surfaces for Computer Graphics,
Proceeding of the ACS/IEEE International Conference on
Computer Systems and
Applications
, Tunis, Tunisia, July 14-18, 2003.

 

 

A. Abbas, Ahmad Nasri  
Synthesizing Data Structure Requirements from Algorithm Specifications:
Case Studies from Recursive Subdivision for Computer Graphics and Animation,
Proceeding of the ACS/IEEE International Conference on
Computer Systems and
Applications
, Tunis, Tunisia, July 14-18, 2003.


 

Ahmad Nasri  
Polygonal Subdivision Curves for Computer Graphics and Geometric Modeling.
Advances in Geometric Modeling, Edited by M. Sarfraz, John Wiley,
ISBN: 0-470-85937-7, p. 1-17, 2003.


 

Ahmad Nasri  
Interpolating an Unlimited Number of Curves Meeting at Extraordinary Points on Subdivision
Surfaces, Computer Graphics Forum Journal, 22 (1), 87-97, 2003.


 

Ahmad Nasri  
NURBS from the pinoeers, Book review, Computer-Aided Design, 121-122, (35) 2003.


 

Ahmad Nasri, Malcolm Sabin  
Special Issue on Subdivision, Editors The Visual Computer, 18 (5-6), 2002.


 

Ahmad Nasri, A. Abbas  
Lofted Catmull-Clark Subdivision Surfaces,
Proceedings of Geometric Modeling and Processing International 2002,
pp. 83-93, Japan, 2002.

  Ahmad Nasri, Tae-wan Kim, Kunwoo Lee. 
Polygonal Mesh Regularization for Subdivision Surfaces Interpolating Meshes of Curves,
The Visual Computer, 2003.

  Ahmad Nasri, A. Abbas. 
Designing Catmull-Clark Subdivision Surfaces With Curve Interpolation Constraints,
Computer & Graphcis Journal, 26 ( 3), pp 393-400, 2002.

  Ahmad Nasri, A. Abbas. 
Polygonal Complexes for Interpolating Curves by Catmull-Clark Subdivision Surfaces,
Proceedings of the 7th International conference on Computer Aided Design
and Computer Graphics
, pp. 33-39, Kunming, China, August 22-24, 2001, 2002.

  Ahmad Nasri, Malcolm Sabin. 
Taxonomy of Interpolation Constraints On Recursive Subdivision Surfaces,
The Visual Computer Journal, 18( 6), pp 382-403 , 2002.
The original publication is available in LINK at http://link.springer.de

  Ahmad Nasri, Malcolm Sabin. 
Taxonomy of Interpolation Constraints On Recursive Subdivision Curves,
The Visual Computer Journal, 18 (4), pp 259-272 , 2002.
The original publication is available in LINK at http://link.springer.de

  Ahmad Nasri, Gerald Farin. 
A Subdivision Algorithm for Generating Rational Curves ,
Journal of Graphics Tools , AK Peters, USA, Vol. 6, No. 1, p 35-47, 2001.

  Ahmad Nasri, Tae-wan Kim, Kunwoo Lee. 
Fairing Subdivision With Curve Interpolation Constraints,
Proceedings of Shape Modeling International SMI'2001, IEEE
Computer Society, p 49-59, May 7-11, Italy, 2001.


  Ahmad Nasri, Kees Overveld, Brian Wyvill. 
A Recursive Subdivision Algorithm for Piecewise Circular Spline,
Computer Graphics Forum Journal, 20(1), pp 35-45, , 2001.

Ahmad Nasri. 
Constructing Polygonal Complexes With Shape Handles for Curve Interpolation
By Subdivision Surfaces
.
Computer Aided Design Journal, Vol. 33, p 735-765, 2001.

Ahmad Nasri. 
Recursive Subdivision of Polygonal Complexes and their applications in CAGD.
Computer Aided Geometric Design Journal, Vol 17, pp 595-615, 2000.
Presented also at the Fifth SIAM conference on Geometric Design , Nashville, 1997.

   Ahmad Nasri
A polygonal Approach to Interpolating Meshes of Curves by Subdivision Surfaces.
Proceedings of Geometric Modeling and Processsing International 2000
,
IEEE Computer Society, Hong Kong, 10-12 April, 2000.

Ahmad Nasri and Malcolm Sabin. 
Taxonomy of interpolation conditions in recursive subdivision,
Accepted in the Sixth SIAM conference on Geometric Design, Albuquerque,
2-5 Nov., 1999.

Ahmad Nasri. 
Interpolating meshes of boundary intersecting Curves By Subdivision Surfaces.
The Visual Computer Journal, Vol. 16, No. 1, pp 3-14, 2000

Adams, S.   Jou, R.   Nasri, A.   Radimsky, A.  and  Sy, B.
Integrating Multimedia Techniques into Computer Science Pedagogy.
Proceedings of WebNet99, Honolulu, Hawaii, Oct. 24-30, 1999.

Ahmad Nasri. 
Free-Form Curve Generation By Recursive Subdivision of Polygonal Strip Complexes,
Sketch, ACM Siggraph 99, Los Angeles, 8-13, 1999.

Ahmad Nasri
An Algorithm for Interpolating Intersecting Curves By Recursive Subdivision Surfaces.,
Proceedings of Shape Modeling International'99
pp 130-137, IEEE Computer Society, March 1-4, 1999, Japan.

Ahmad Nasri. 
A 4-sided Approach to Curve Interpolation By Recursive Subdivision Surfaces.
The Visual Computer Journal, Vol. 14, No. 7, pp 343-353, 1998.

Peters, J. and Nasri A.
Computing volumes of solids enclosed by recursive subdivision surfaces,
Computer Graphics Forum, Vol. 16, No. 3, 1997.

Ahmad Nasri. 
Interpolation of Open Curves by Recursive Subdivision Surfaces,
Proceedings of the Mathematics of Surfaces VII (Eds. Timm Goodman and Ralph Martin),
Information Geometers, p 173-188, 1997.

Ahmad Nasri. 
Free-form Curve Generation by Recursive Subdivision of Polygons Strips Complexes.
presented at the Fifth SIAM conference on Geometric Design, Nashville, 
Nov. 2-6, 1997.

Ahmad Nasri. 
Curve Interpolation In Recursively Generated B-spline Surfaces Over Arbitrary Topology,
Computer Aided Geometric Design Journal, Vol. 14, No 1, pp 13-30,1997.



Ahmad Nasri. 
Interpolation of Meshes of Curves by Recursive Subdivision Surfaces,
presented at the Fourth SIAM conference on Geometric Design, Nashville, 
Nov. 6-9, 1995.

Ahmad Nasri. 
Developing a Hypermedia System for Computer Systems Education, 
Computer Science Education Journal, Ablex, USA, Vol. 6, No 1, p 33-47, 1995.

Ahmad Nasri. 
Recursive Subdivision in Simulation and Scientific Visualization, 
Proceeding of the First LAAS International conference on Computers and Simulation,
p 337-334, AUB, September, 1995.

R. Sultan and A. Nasri. 
Computer Visualization of Atomic Orbitals, 
Proceeding of the First LAAS International conference on Computers and Simulation,
p 369-375, AUB, September, 1995.

Ahmad Nasri. 
Towards a Hypermedia System for Teaching an Introductory Course to Computer Systems.
Proceedings of the Association for the Advancement of Computing in Education
(AACE), p 671, Vancouver, Canada, June 1994.

Ahmad Nasri. 
Geometry Processing for Design and Manufacture, 
Edited by Robert Barnhill. SIAM, 1992. Review in Computer-Aided Design Journal,
Elsevier science (UK), Vol. 25, No 3, p 195-196, 1993.

Ahmad Nasri. 
Computer Graphics in Computer Graphics Education, 
In Interactive Learning through Visualization - The Impact of Computer Graphics in Education,
IFIP Series on Computer Graphics, Eds. S. Cunningham and R.J. Hubbold, Springer-Verlag, p 216-226, 1992.

Ahmad Nasri. 
Boundary Corner control of Recursive Subdivision Surfaces. 
Computer Aided Design Journal, Elsevier science, (UK), Vol. 23, No 6, p 405-411, 1991.

Ahmad Nasri. 
Computer Graphics in Simulating the Functioning of a Simple Computer, 
Computer Science Education Journal, Ablex, USA, Vol. 2, No 2, 1991.

Ahmad Nasri. 
Interpolation On Irregular Networks With Normal Conditions. 
Computer Aided Geometric Design Journal, Elsevier (North Holland), Vol. 8, p 89-96, 1991.

Ahmad Nasri and W. Lammers. 
3-D Computer Imaging of The Cardiac Activation Sequence, 
Proceedings of The First International Conference on Computer Applications In Science,
Technology And Medicine
, University of Isfahan, 189-192, 1991.

Ahmad Nasri. 
Polyhedral Subdivision Methods For Free-Form Surfaces (2MB),
Communication of ACM, Transactions on Graphics, Vol. 6 , No. 1, p 29-73,, January 1987.

Ahmad Nasri. 
Polyhedral Subdivision Methods For Free-Form Surfaces,
Ph.D. Thesis, University of East Anglia, 1984.

Ahmad Nasri. 
N-Sided Surfaces, Computational Geometry Project, University of East Anglia,
Memo CGP82/10, October 1982.

Books
 

M. Sadek, M. Sharabi and A. Nasri. 
Introduction to Computers and Programming in Basic  (Vol.1), Dar Al Kalam, 1989. (in Arabic)