At Conferences:
1996
- 914th Meeting of the American
Mathematical Society, Lawrenceville, New Jersey, USA, October 5-6, 1996,
"On Removing Degeneracies in Computational Geometry ."
- Carleton Algorithmic Theory
Symposium, Ottawa, Canada, September 28, 1996, "On Removing Degeneracies
in Computational Geometry ."
- Conference on Facility Location,
University of Sevilla, Spain, April 22-23, 1996, "Computational
Geometry and Facility Location ."
1995
- Computational Geometry Day,
University of Newcastle, Australia, November 29, 1995, "Drawing
Nice Projections of Objects in Space ."
- 4th International Workshop
on Algorithms and Data Structures, Kingston, Canada, August 16-18, 1995,
"Quadrangulations of Planar Sets."
- VI Encuentro de Geometria
Computacional, Barcelona, Spain, July 5-7, 1995, "Quadrangulations."
1994
- Third Annual Symposium on
Document Analysis and Information Retrieval, Alexis Park Hotel, Las Vegas,
Nevada, April 12, 1994 "Computational Geometry for Document Analysis."
- 892nd Meeting of the American
Mathematical Society, Polytechnic University, Brooklyn, New York, April
10, 1994, "Some Aperture-Angle Optimization Problems."
- Twenty Third Computational
Geometry Day, Courant Institute of Mathematical Sciences, New York University,
March 11, 1994, "Geometric and Computational Aspects of Manufacturing
Processes."
1993
- National Science Foundation
Regional Geometry Institute, Smith College, Northampton, Massachussetts,
July 12, 1993, "Triangulations and Arrangements."
- National Science Foundation
Regional Geometry Institute, Smith College, Northampton, Massachussetts,
July 12, 1993, "Computational Geometric Topics Suitable for High
School."
- National Science Foundation
Regional Geometry Institute, Smith College, Northampton, Massachussetts,
July 13, 1993, "Separating Objects with Translations."
- National Science Foundation
Regional Geometry Institute, Smith College, Northampton, Massachussetts,
July 14, 1993, "Triangulating a Set of Line Segments."
- National Science Foundation
Regional Geometry Institute, Smith College, Northampton, Massachussetts,
July 14, 1993, "Computing Geometric Properties of Arrangements
of Lines and Line Segments."
- IV Encuentro de Geometria
Computacional, Granada, Spain, June 1, 1993, "Aproximación
Poligonal de Curvas en dos y tres Dimensiones."
1992
- Canadian Conference on Electrical
and Computer Engineering, Toronto, Canada, September 14, 1992, "The
Use of Proximity Graphs in Image Analysis and Computer Vision."
- Séptimo Coloquio de
Teoría de las Gráficas, Combinatoria y sus Aplicaciones,
Universidad Autónoma de Zacatecas, México, February 27, 1992,
"Aplicación de la Teoría de Gráficas a la
Aproximación Poligonal de Curvas.
1991
- 2nd Japan International Symposium
of the Society for the Advancement of Materials and Process Engineering,
Chiba, Japan, December 14, 1991, "Computing Morphological Properties
of Arrangements of Lines."
- The Fifth Annual Computer
Science Days `91, Memorial University of Newfoundland, St. John's, Newfoundland,
October 17-18, 1991, "Computing Shortest Transversals of Sets."
- IEEE Computer Society Conference
on Computer Vision & Pattern Recognition, Lahaina, Maui, Hawaii, June
3-6, 1991, "Computational Geometry and Computer Vision."
- Sexto Coloquio de Teoría
de las Gráficas, Combinatoria y sus Aplicaciones, Guanajuato, México,
March 4-8, 1991, "Calculo de Propiedades Geometricas de Arreglos
de Líneas."
1990
- Workshop on the Foundation
of Computer Graphics, Asian Institute of Technology, Bangkok, Thailand,
December 6-20, 1990, "Computational Geometric Aspects of Visibility."
- The 3rd Tokyo Algorithms Day,
University of Tokyo, December 3, 1990, "Computing Geometric Properties
of Line Arrangements."
- Fifteenth Computational Geometry
Day, Courant Institute of Mathematical Sciences, New York University, New
York, November 9, 1990, "Computing Extremal Transversals of Sets."
- 2nd Canadian Conference on
Computational Geometry, University of Ottawa, August 6, 1990, "Computing
Geometric Properties of Arrangements."
- Computer Graphics International'90,
Singapore, June 26, 1990, "Computational Geometric Aspects of Illumination
and Visibility."
- Third Cumberland Conference
on Graph Theory and Applications to Computer Science, University of Louisville,
Kentucky, May 17-19, 1990, "Graph theory, Computational Geometry,
& Morphology."
- V Coloquio de Teoría
de las Gráficas, Combinatoria y sus Aplicaciones, Universidad Michoacana
de San Nicolas de Hidalgo, Casa de la Cultura, Morelia, México,
March 2nd, 1990, "Gráficas de Proximidad en Problemas de
Visión Computacional."
- V Coloquio de Teoría
de las Gráficas, Combinatoria y sus Aplicaciones, Universidad Michoacana
de San Nicolas de Hidalgo, Casa de la Cultura, Morelia, México,
February 27, 1990, "Triangulacion de Poligonos."
1989
- First Workshop on Proximity
Graphs, New Mexico State University, December 2, 1989, "Some unsolved
problems on proximity graphs."
- First Workshop on Proximity
Graphs, New Mexico State University, Las Cruces, December 2, 1989, "Proximity
graphs in computer vision."
- Meeting of the American Mathematical
Society, Stevens Institute of Technology, Hoboken, New Jersey, October
22, 1989, "Computational geometry and computer vision."
1987
- 13th IFIP Conference on System
Modelling and Optimization, Tokyo, Japan, Sept.1st., 1987, "Relative
Convex Hulls of Sets and their Applications."
- Workshop on Computational
Geometry and Discrete Algorithms, Osaka Electro-Communication University,
Osaka, Japan, Sept. 5, 1987, "Relative Convex Hulls of Sets and
their Applications."
1984
- Computer Science and Statistics:
16th Symposium on the Interface, Atlanta, U.S.A., March 1984, G.T. Toussaint,
B.K. Bhattacharya, and R.S. Poulsen, "The Application of Voronoi
Diagrams to Nonparametric Decision Rules."
1983
- IEEE International Symposium
on Information Theory, St. Jovite, Canada, September, 1983, "The
Complexity of Movement."
- IEEE International Symposium
on Information Theory, St. Jovite, Canada, September, 1983, G.T. Toussaint,
and B.K. Bhattacharya, "On Geometric Algorithms That use the Furthest
Point Voronoi Diagram."
1982
- 86th Summer Meeting of the
American Mathematical Society, August 21-26, 1982, Toronto, "Distance
and visibility problems in computational geometry."
1981
- NATO ASI on Pattern Recognition
Theory and Practice, Oxford University, April 1981, "Computational
Geometric Problems in Pattern Recognition."
1980
- Fifth International Conference
on Pattern Recognition, Miami, December 1980, "Pattern Recognition
and Geometrical Complexity."
1977
- IEEE Conference on Pattern
Recognition and Image Processing, June 1977, Troy, N.Y., "The Use
of Context in Pattern Recognition."
1974
- Conference on Measures of
Information and their Application, August 1974, Bombay, India, "On
Some Measures of Information and their Application to Pattern Recognition."
- Second International Joint
Conference on Pattern Recognition, August 1974, Copenhagen, Denmark, "Recent
Progress in Statistical Methods Applied to Pattern Recognition."
At Universities:
1997
- Computer Science Colloquium,
University of Minnesota, Minneapolis, Minnesota, U.S.A., March 3, 1997,
"On Removing Non-Degeneracy Assumptions in Computational Geometry."
1996
- Computational Geometry Seminar,
Dept. of Applied Mathematics II, Universidad Politecnica de Catalunya,
Barcelona, Spain, July 10, 1996, "Removing Degeneracies in Computational
Geometry ."
- Computational Geometry Seminar,
Dept. of Applied Mathematics II, Universidad Politecnica de Catalunya,
Barcelona, Spain, July 3, 1996, "Facility Location ."
- Computational Geometry Seminar,
Dept. of Applied Mathematics II, Universidad Politecnica de Catalunya,
Barcelona, Spain, June 18, 1996, "Mobility of Objects in Space
- II ."
- Computational Geometry Seminar,
Dept. of Applied Mathematics II, Universidad Politecnica de Catalunya,
Barcelona, Spain, June 12, 1996, "Mobility of Objects in Space
- I ."
- Computational Geometry Seminar,
Dept. of Applied Mathematics II, Universidad Politecnica de Catalunya,
Barcelona, Spain, June 5, 1996, "Computing Shortest Transversals
of Planar Sets ."
- Computational Geometry Seminar,
Dept. of Applied Mathematics II, Universidad Politecnica de Catalunya,
Barcelona, Spain, May 29, 1996, "Triangulating a Simple Polygon
Efficiently in Practice ."
- Computational Geometry Seminar,
Dept. of Applied Mathematics II, Universidad Politecnica de Catalunya,
Barcelona, Spain, May 22, 1996, "Proximity Graphs and Applications
."
- Computational Geometry Seminar,
Dept. of Applied Mathematics, Universidad Politecnica de Madrid, Spain,
May 8, 1996, "Removing Degeneracies in Computational Geometry
."
- Computational Geometry Seminar,
Dept. of Applied Mathematics, Universidad Politecnica de Madrid, Spain,
April 30, 1996, "Facility Location ."
- Conference on Computational
Geometry and Facility Location, Universidad de Sevilla Spain, April 22,
1996, "Facility Location and Computational Geometry ."
- Computational Geometry Seminar,
Dept. of Applied Mathematics, Universidad Politecnica de Madrid, Spain,
April 17, 1996, "Mobility of Objects in Space - II ."
- Computational Geometry Seminar,
Dept. of Applied Mathematics, Universidad Politecnica de Madrid, Spain,
April 12, 1996, "Mobility of Objects in Space - I ."
- Computational Geometry Seminar,
Dept. of Applied Mathematics, Universidad Politecnica de Madrid, Spain,
April 10, 1996, "Aperture-Angle Optimization in Two and Three Dimensions
."
- Computational Geometry Seminar,
Dept. of Applied Mathematics, Universidad Politecnica de Madrid, Spain,
March 26, 1996, "Computing Shortest Transversals of Planar Sets."
- Computational Geometry Seminar,
Dept. of Applied Mathematics, Universidad Politecnica de Madrid, Spain,
March 22, 1996, "Quadrangulations of Planar Sets."
- Computational Geometry Seminar,
Dept. of Applied Mathematics, Universidad Politecnica de Madrid, Spain,
March 20, 1996, "Proximity Graphs and Their Applications."
- Computational Geometry Seminar,
Dept. of Applied Mathematics, Universidad Politecnica de Madrid, Spain,
March 13, 1996, "Efficient Triangulation of Planar Sets."
1995
- Computer Science Seminar,
University of New South Wales, Australia, December 18, 1995, "Computing
Quadrangulations of Sets."
- Electrical and Computer Engineering
Seminar, University of Newcastle, Australia, November 20, 1995, "Movable
Separability of Objects in Space ."
- Basser Department of Computer
Science Seminar, University of Sydney, Australia, November 2, 1995, "Computing
Quadrangulations of Sets."
- Computer Science Seminar,
University of Newcastle, Australia, October 18, 1995, "Computing
Quadrangulations of Sets."
- Computing Science Seminar,
Simon Fraser University, Burnaby, Canada, June 15, 1995, "Quadrangulations
of Planar Sets."
- Geometry Seminar, Courant
Institute of Mathematical Sciences, New York University, New York, April
25, 1995, "Quadrangulations of Planar Point Sets"
1994
- Computing Science Seminar,
School of Computing Science, Simon Fraser University, Burnaby, Canada,
September 2, 1994, "Where Should You Sit in the Cinema so That
Your Favorite Actor is as Tall as Possible?"
- GINTIC Institute of Manufacturing
Technology, Nanyang Technological University, Singapore, July 11, 1994,
"Geometric and Computational Aspects of Manufacturing Processes."
- Seminar, Department of Computer
Science, National University of Singapore July 12, 1994, "Where
Should You Sit in the Cinema so That Your Favorite Actor is as Tall as
Possible?"
- Seminar, Department of Computer
Science, University of Newcastle Australia, July 14, 1994, "Geometric
and Computational Aspects of Manufacturing Processes."
- Seminar, Department of Computer
Science, University of Newcastle Australia, July 15, 1994, "A New
Look at Euclid's Second Proposition."
- Seminar, Department of Mathematics,
University of Nevada at Reno, April 15, 1994, "A New Look at Euclid's
Second Proposition."
- Seminar, Department of Electrical
Engineering, University of Nevada at Reno, April 15, 1994, "Geometric
and Computational Aspects of Manufacturing Processes."
- Seminar, Department of Computer
Science, Howard R. Hughes College of Engineering, University of Nevada
at Las Vegas, April 13, 1994, "Geometric and Computational Aspects
of Manufacturing Processes."
1993
- Mechanical Engineering Department,
Ecole Politechnique, University of Montreal, November 15, 1993, "Computational
Geometric Problems Related to Injection Molding."
- Mathematics & Computer
Science Colloquium, University of Vermont, Burlington, Vermont, November
12, 1993, "Movable Separability of Objects in Two and Three Dimensions."
- Mathematics & Computer
Science Seminar, Middlebury College, Vermont, October 12, 1993, "Movable
Separability of Objects in Two and Three Dimensions."
- Geometry Seminar, Department
of Computer Science, Utrecht University, June 29, 1993, "Geometric
and Computational Aspects of Injection Molding and Stereolithography."
- Pattern Recognition Colloquium,
Department of Physics, Delft University of Technology, June 28, 1993,
"Geometric and Computational Aspects of Injection Molding and Stereolithography."
- Department of Applied Mathematics
II, Universidad Politecnica de Catalunya, Barcelona, Spain, June 17, 1993,
"Aspectos Geometricos y Computacionales de la Inyección
en Moldes y de la Estereolitografia."
- Department of Applied Mathematics,
Universidad Politecnica de Madrid, Spain, June 10, 1993, "Arreglos
de Rectas."
- Seminar, Faculty of Mathematics
and Computer Science, University of Amsterdam, May 28, 1993, "Approximating
Polygonal Curves in Two and Three Dimensions."
1992
- Seminar, Department of Mathematics,
City University of New York, York College, Jamaica, N.Y., September 25,
1992, "Separability of Sets of Objects in Two and Three Dimensions."
- Seminar, Department of Computer
Science, York University, North York, Ontario, September 15, 1992, "Separability
of Sets of Objects in Two and Three Dimensions."
- Colloquium, Department of
Mathematics and Computer Science, University of Tulsa, Okla., July 14,
1992, "Separability of Sets of Objects in Two and Three Dimensions."
- The Guillermo Torres Seminar
on Topology and Geometry, Institute of Mathematics, Universidad Nacional
Autónoma de México, México City, June 25, 1992, "Separabilidad
de Objetos Mediante Translaciones en dos y tres Dimensiones."
- Research Seminar, Department
of Applied Mathematics II, Universidad Politecnica de Catalunya, Barcelona,
June 8, 1992, "Open Problems in Computational Geometry."
- Seminar on Software Mathematics
and Computational Mathematics, Department of Applied Mathematics II, Universidad
Politecnica de Catalunya, Barcelona, June 5, 1992, "Separabilidad
de Objetos Mediante Movimientos en el Plano y el Espacio Tridimensional."
- Colloquium, Department of
Mathematics, Universidad Politecnica de Madrid, June 4, 1992, "Separabilidad
de Objetos Mediante Movimientos en el Plano y el Espacio Tridimensional."
- Research Seminar, Department
of Mathematics, Universidad Politecnica de Madrid, June 3, 1992, "Computational
Geometry at McGill University."
- Colloquium, Department of
Mathematics and Computer Science, University of Quebec in Montreal, May
7, 1992, "Movable Separability of Sets in Two and Three Dimensions."
- Mathematics Colloquium, Departments
of Mathematics, Statistics, Computer Science and Electrical Engineering,
University of Vermont, Burlington, Vermont, USA, April 10, 1992, "A
New Look at Euclid's Second Proposition."
- Seminar, McGill Research Center
for Intelligent Machines, McGill University, Montreal, Canada, January
29, 1992, "Movable Separability of Objects in Two and Three Dimensions."
- Seminar, McGill Research Center
for Intelligent Machines, McGill University, Montreal, Canada, January
22, 1992, "The Use of Proximity Graphs in Pattern Recognition."
1991
- Computer Science Seminar,
Division of Computer Science, Asian Institute of Technology, Bangkok, Thailand,
January 8, 1991, "Polygonal Approximation of Curves and Applications."
- Information Science Seminar,
Institute of Information Science, Academia Sinica, Taipei, Taiwan, Republic
of China, December 19, 1991, "Computing Shortest Transversals of
Sets."
- Seminar, Ottawa-Carleton Institute
for Computer Science, Carleton University, November 7, 1991, "Computing
Geometrical Properties of Arrangements of Lines."
- Séminaire en Informatique,
Département d'Informatique, Université du Québec at
Hull, November 6, 1991, "Computing Geometrical Properties of Arrangements
of Lines."
- Seminar on the History and
Philosophy of Science, Department of Psychology, McGill University, September
30, 1991, "The Role of Visual and Kinesthetic Thinking in Geometry."
- Distinguished Seminar Series,
Sesquicentennial Anniversary of Queens University, Department of Computing
and Information Science, Kingston, Ontario, April 18, 1991, "A
New Look at Euclid's Second Proposition."
- Distinguished Lecture Series,
225th Anniversary of Rutgers University, Computer Science Department Colloquium,
New Brunswick, New Jersey, April 1st, 1991, "Computing Shortest
Transversals of Sets."
- Colloquium, University of
Waterloo, Department of Computer Science, Waterloo, March 22, 1991, "Computing
Shortest Transversals of Sets."
- C & O Seminar, University
of Waterloo, Department of Combinatorics and Optimization, Waterloo, March
21, 1991, "A New Look at Euclid's Second Proposition."
- Colloquium, University of
Nevada at Las Vegas, Department of Computer Science, January 28, 1991,
"Computing Shortest Transversals of Sets."
1990
- Colloquium, Simon Fraser University,
Department of Computer Science, Burnaby, November 30, 1990, "A
New Look at Euclid's Second Proposition."
- Colloquium, Simon Fraser University,
Department of Computer Science, Burnaby, June 1, 1990, "Computing
Geometric Properties of Arrangements.
1989
- Colloquium, Ohio State University,
Department of Computer and Information Science, Columbus, November 2, 1989,
"Computing Minimal Spanning Covers of Sets."
- Colloquium, University of
Amsterdam, Department of Computer Science, Amsterdam, July 6, 1989, "Determining
Weak External Visibility of a Polygon."
- Colloquium, University of
Amsterdam, Department of Computer Science, Amsterdam, July 6, 1989, "Computing
Geodesic Properties of Polygons."
- Colloquium, University of
Amsterdam, Department of Computer Science, Amsterdam, June 22, 1989, "A
Hierarchy of Polygons That Admit Linear-Time Triangulation."
- Colloquium, University of
Amsterdam, Department of Computer Science, Amsterdam, June 22, 1989, "An
Output-Complexity-Sensitive Polygon Triangulation Algorithm."
- Colloquium, University of
Amsterdam, Department of Computer Science, Amsterdam, June 15, 1989, "Separating
Two Simple Polygons by a Single Translation."
- Colloquium, University of
Amsterdam, Department of Computer Science, Amsterdam, June 1, 1989, "Determining
Edge-to-Edge Visibility in a Polygon."
- Colloquium, University of
Amsterdam, Department of Computer Science, Amsterdam, June 1, 1989, "Computing
Distances Between Sets."
- Colloquium, University of
Amsterdam, Department of Computer Science, Amsterdam, May 25, 1989, "Computing
the Convex Hull of a Set."
- Colloquium, University of
Amsterdam, Department of Computer Science, Amsterdam, May 25, 1989, "Computing
the Diameter of a Set."
- Colloquium, University of
West Indies, Department of Mathematics, Cave Hill, Barbados, February 22,
1989, "A Hierarchy of Polygons That can be Triangulated in Linear
Time"
- Colloquium, University of
West Indies, Department of Mathematics, Cave Hill, Barbados, February 15,
1989, "An Output-Complexity Sensitive Polygon Triangulation Algorithm."
1988
- Colloquium, Algorithms Group
Seminar, Simon Fraser University, School of Computing Science, Burnaby,
November 25, 1988, "On Determining the Weak Visibility of a Polyhedral
Terrain From a Line."
- Colloquium, University of
Washington, Department of Computer Science, Seattle, October 19, 1988,
"On Triangulating Simple Polygons."
- Colloquium, University of
British Columbia, Department of Computer Science, Vancouver, September
29, 1988, "On Triangulating Simple Polygons."
- Colloquium, University of
Victoria, Computer Science Department, Victoria, September 16, 1988, "On
Triangulating Simple Polygons."
- DARTS Lecture (Distinguished
Advanced Research and Technology Seminar) Simon Fraser University, School
of Engineering Science, Burnaby, September 15, 1988, "Computational
Geometry and Robotics."
- Colloquium, Simon Fraser University,
School of Computing Science, Burnaby, August 10, 1988, "On Triangulating
Simple Polygons."
1987
- University of Tokyo, Computer
Science Department (c/o Prof. Kunii), Sept. 3, 1987, "Relative
Convex Hulls of Sets and their Applications."
- Simon Fraser University, Computer
Science Department, Vancouver, August 28, 1987, "Relative Convex
Hulls of Sets and their Applications."
- Carleton University, School
of Computer Science, Ottawa, October 30, 1987, "Relative Convex
Hulls of Sets and their Applications."
1985
- Computer Science Seminar,
Carleton University, Ottawa, Canada, February 28, 1985, "Some Collision
Avoidance Problems in the Plane."
1984
- Computer Science Colloquium,
University of Maryland, College Park, U.S.A., April 26, 1984, "Some
Collision Avoidance Problems in the Plane."
1983
- Computer Science Colloquium,
Kyoto University, Kyoto, Japan, December 26, 1983, "Some Collision
Avoidance Problems in the Plane."
- Electrical, Engineering Colloquium,
University of Nagoya, Japan, December 29, 1983, "Some Collision
Avoidance Problems in the Plane."
- Mathematical Engineering Colloquium,
University of Tokyo, Japan, December 16, 1983, "Some Collision
Avoidance Problems in the Plane."
- Computer Science Colloquium,
Concordia University, Montreal November 1983, "Some Collision Avoidance
Problems in the Plane."
- Systems Science Colloquium,
University of Toronto, February 1983, "Recent Results in Computational
Geometry."
1982
- Psychology Colloquium, Carleton
University, Ottawa, October 18, 1982, "The Computation and Perception
of Shapes."
- Mathematics Colloquium, University
of Genova, Italy, June 1982, "Efficient Algorithms for Computing
Distances Between Sets."
- Computer Science Colloquium,
University of Torino, Italy, June 1982, "Efficient Algorithms for
Computing Distances Between Sets."
1981
- Colloquia Estria, Département
de Mathématiques et d'informatique, Université de Sherbrooke,
26 mars, 1981, "Problèmes en Géométrie Algorithmique,"
- Computer Science Seminar,
University of British Columbia, Vancouver, Feb. 6, 1981, "Pattern
Recognition and Geometrical Complexity."
1980
- Computing and Information
Science Seminar, Queen's University, Kingston, Ontario, November 5, 1980,
"Pattern Recognition and Geometrical Complexity."
- Computing and Information
Science Seminar, Queen's University, Kingston, Ontario, March 26, 1980,
"The Relative Neighborhood Graph of a Finite Planar Set."
1979
- Séminaire d'Informatique
Heuristique, Université de Paris, (Pierre et Marie Curie), June
11, 1979, "Pattern Recognition and Geometrical Complexity: Placing
an Elastic Band Around a Group of Pegs."
- Systems Theory Seminar, University of Louvain (La Neuve),
Belgium, June 8, 1979, "Pattern Recognition and Geometrical Complexity:
Placing an Elastic Band Around a Group of Pegs."
- Electrical Engineering Seminar, Delft University of Technology,
The Netherlands, June 5, 1979, "Using Contextual Information to
Improve the Performance of Character Recognition Machines."
- Department of Applied Physics Seminar, Delft University
of Technology, The Netherlands, June 1, 1979, "Pattern Recognition
and Geometrical Complexity: Placing an Elastic Band Around a Group of Pegs."
1978
- Computer Science Colloquium,
University of Connecticut, October 13, 1978, "The Convex Hull as
a Tool in Pattern Recognition."
- Computing Center and Computer
Science Colloquium, State University of New York at Buffalo, October 6,
1978, "The Convex Hull as a Tool in Pattern Recognition."
1976
- University of Montreal, April
1st, 1976, "Using Contextual Information to Improve the Performance
of Character Recognition Machines."
1975
- Clarkson College of Technology,
December 4, 1975, "Using Contextual Information to Improve the
Performance of Character Recognition Machines."
- Department of Electrical Engineering,
McGill University, March 13, 1975, "The Use of Statistical Language
Constraints in Machine Recognition of Hand Printed English Text."
1974
- Computer Science Department,
Simon Fraser University, Spring, 1974, "The Use of Statistical Language
Constraints to Improve the Performance of Character Recognition Machines."
1973
- Département d'Informatique,
Université de Montreal, Spring, 1973, "Distance Measures as
Measures of Certainty and Their Application to Pattern Recognition."
In Industry:
- INRIA, Sophia-Antipolis, France,
July 26, 1996, "Removing Degeneracies in Computational Geometry."
- IBM Software Solutions Toronto
Laboratory, The Centre for Advanced Studies, North York, Ontario, December
10, 1993, "Geometric and Computational Aspects of Manufacturing
Processes."
- Bell Northern Research, Nun's
Island, Montreal, May 12, 1993, "The Application of Proximity Graphs
to Edited Nearest Neighbor Decision Rules."
- I.B.M. Thomas J. Watson Research
Center, Yorktown Heights, N.Y., May 29, 1992, "Computing Geometric
Properties of Arrangements of Lines and Line Segments."
- Nippon Telegraph and Telephone
Corporation, Autonomous Robot Systems Laboratory, Tokyo, December 5, 1990,
"Computational Geometric Aspects of Visibility."
- MacDonald, Dettwiler &
Associates, Richmond, B.C., November 9, 1988, "Computational Geometry
and Geographic Information Systems."
- Hitachi Central Research Laboratory,
Tokyo, Japan, December 22, 1983, "Some Collision Avoidance Problems
in the Plane."
- Bell Northern Research, Nun's
Island, Verdun, October 29, 1982, "Graph-theoretic Methods for
Edited Nearest Neighbor Decision Rules,"
In the
Community at Large:
- Herzliah High School, invited
speaker at the awards-ceremonies of the First Montreal High-School Computer
Programming Competition, May 3, 1981, "Computer Applications in
Artificial Intelligence."
Curriculum Vitae
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