'Gaussian curvature' diaporamas de présentation

Stable Volumetric Features in Deformable-Shapes

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I THE NATURAL PSEUDODISTANCE: A GEOMETRIC-TOPOLOGICAL TOOL FOR COMPARING SHAPES

I THE NATURAL PSEUDODISTANCE: A GEOMETRIC-TOPOLOGICAL TOOL FOR COMPARING SHAPES. Patrizio Frosini Vision Mathematics Group University of Bologna - Italy http://vis.dm.unibo.it/. A trivial example to point out the main idea.

392 views • 29 slides

Transformations Between Surfaces With Animations

468 views • 29 slides

Discrete Differential-Geometry Operators for Triangulated 2-Manifolds

Discrete Differential-Geometry Operators for Triangulated 2-Manifolds. Mark Meyer, Mathieu Desbrun, Peter Schroder, and Alan H. Barr Presented by Shadi Ashnai. Overview. Motivation Definitions Derive differential geometry operators Accuracy analysis Generalization. Applications.

693 views • 29 slides

Hierarchical Segmentation of Automotive Surfaces and Fast Marching Methods

Hierarchical Segmentation of Automotive Surfaces and Fast Marching Methods. David C. Conner Aaron Greenfield Howie Choset Alfred A. Rizzi. Prasad N. Atkar. Microdynamic Systems Laboratory. BioRobotics Lab. Complete Coverage. Uniform Coverage. Cycle time and Paint waste.

386 views • 27 slides

Finding curvature; Methods, problems and solutions

Finding curvature; Methods, problems and solutions. Mmac meeting June 28th, 2012 Amin Ahmadi Joneidi. Finding curvature; Methods, problems and solutions. Energy and force terms. Ca, Capillary number. H, Mean curvature. K, Gaussian curvature. ? , Lagrangian multiplier.

337 views • 18 slides

Presentation 4

Presentation 4. Zach Robertson. Our method. Pedro’s method. Low threshold, false positive. Low threshold, no false positive. High threshold, false negative. Head Detector. Our method. Pedro’s Method. Train Human Model in 3D. We need a good descriptor for depth as good as HOG for RGB

238 views • 14 slides

Computer Aided Engineering Design

Computer Aided Engineering Design. Anupam Saxena Associate Professor Indian Institute of Technology KANPUR 208016. Surface from the tangent plane: Derivation. n. P. R. n is perpendicular to the tangent plane, r u . n = r v . n = 0. d. second fundamental matrix D.

359 views • 14 slides

3D Landmark Detection

3D Landmark Detection. Ricky Gentry August 2010. Problem. Given a textureless 3D face, we want to localize the prominent landmarks, regardless of its pose and expression. Candidate Selection Methods. Shape Index Gaussian Curvature Spin Images. Shape Index and Curvature.

250 views • 8 slides

Gaussian Curvature

Gaussian Curvature. Gives where surface is convex, saddle, or flat Indicates surface shape at a pixel. Mean Curvature. The average of the principal curvatures If zero, minimal surface. Noise. Normal and Curvatures. Norm in Z direction. Norm in X direction. Norm in Y direction.

511 views • 8 slides