'Convex hull' diaporamas de présentation

CS589-04 Digital Image Processing Lecture 5. Morphological Image Processing

CS589-04 Digital Image Processing Lecture 5. Morphological Image Processing. Spring 2008 New Mexico Tech. Introduction. Morphology : a branch of biology that deals with the form and structure of animals and plants

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Case Studies: Bin Packing & The Traveling Salesman Problem

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Making maps, many maps! [What is GIS?]

Making maps, many maps! [What is GIS?]. Dr. Brian Klinkenberg Department of Geography, UBC For Zoology 502 March 9, 2008. Why do I want to know where they occur?. T o C. Why predict species ranges? What is GIS? Example: West Nile virus (based on species biology)

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Qualitative representations of the geospatial world

Qualitative representations of the geospatial world . Tony Cohn. School of Computing The University of Leeds a.g.cohn@leeds.ac.uk http://www.comp.leeds.ac.uk/. Particular thanks to : EPSRC, EU, Leeds QSR group and . Contents.

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Cost-Sensitive Classifier Evaluation

Cost-Sensitive Classifier Evaluation. Robert Holte Computing Science Dept. University of Alberta Co-author Chris Drummond IIT, National Research Council, Ottawa. Classifiers. A classifier assigns an object to one of a predefined set of categories or classes. Examples:

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Position Based Cryptography

Position Based Cryptography. Nishanth Chandran Vipul Goyal Ryan Moriarty Rafail Ostrovsky UCLA. What constitutes an identity?. Your public key. PK. Your biometric. Email ID. abc@gmail.com. z. x. How about where you are?. y. Geographical Position as an Identity. sk. sk.

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Formulations and Reformulations in Integer Programming

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Discrete one-forms on meshes and applications to 3D mesh parameterization

Discrete one-forms on meshes and applications to 3D mesh parameterization. Steven Gortler, Craig Gotsman, Dylan Thurston by Shen Dong. Surface Parameterization. Origin of the problem -- cartography. Surface Parameterization. Texture Mapping. Surface Parameterization. Surface Remeshing.

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Online Techniques for dealing with Concept Drift in Process mining

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Voronoi Diagrams

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Presentation and Analysis of a Multi-Dimensional Interpolation Function for Non-Uniform Data: Microsphere Projection

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Pareto-Optimality of Cognitively Preferred Polygonal Hulls for Dot Patterns

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What is Optimal Control Theory?

What is Optimal Control Theory?. Dynamic Systems: Evolving over time. Time: Discrete or continuous. Optimal way to control a dynamic system.

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UMass Lowell Computer Science 91.504 Advanced Algorithms Computational Geometry Prof. Karen Daniels Spring, 2007

UMass Lowell Computer Science 91.504 Advanced Algorithms Computational Geometry Prof. Karen Daniels Spring, 2007. Lecture 3 Chapter 3: 2D Convex Hulls Friday, 2/9/07. Chapter 3. Definitions Gift Wrapping Graham Scan QuickHull Incremental Divide-and-Conquer Lower Bound in W (nlgn).

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Theory of Algorithms: Divide and Conquer

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Subdivision Surfaces in Character Animation

Subdivision Surfaces in Character Animation. Chris DeCoro Presentation of an article by DeRose, et. Al. Talk outline. Introduction Motivation and applications Previous work Additional requirements of animation Semi-sharp Creases Rendering Physically-based Modeling Conclusion.

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ROC Curves

ROC Curves. True positives and False positives. True positive rate is TP = P correctly classified / P False positive rate is FP = N incorrectly classified as P / N. ROC Space. Curves in ROC space.

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IBM / IBR

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Convex Hull

4. 5. 3. 6. 2. 1. 0. Convex Hull. Given a set of pins on a pinboard And a rubber band around them How does the rubber band look when it snaps tight? We represent the convex hull as the sequence of points on the convex hull polygon, in counter-clockwise order. A. B.

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