LAPLACE MESH PROCESSING Software Engineering Project Students - - PowerPoint PPT Presentation

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Centre Universitaire Condorcet Laplace Mesh Processing Project - VIBOT January 16, 2015 LAPLACE MESH PROCESSING Software Engineering Project Students Professor Flvia Dias Casagrande Yohan Fougerolle Luis

SLIDE 1

LAPLACE MESH PROCESSING

Software Engineering Project

Students Flávia Dias Casagrande Luis Miguel Zapata Marcel Sheeny de Moraes Professor Yohan Fougerolle January, 2015 Le Creusot

Centre Universitaire Condorcet Laplace Mesh Processing Project - VIBOT January 16, 2015

SLIDE 2

Overview

Introduction
Improvement in the Code
Program Implemented
User Interface
Results
Conclusion
Future Works

2 Centre Universitaire Condorcet Laplace Mesh Processing Project - VIBOT January 16, 2015

SLIDE 3

Introduction

Objective
3D Mesh
Laplacian Operator
Differential coordinates

3 Bunny 3D Mesh, Spectral Decomposition, Smoothing, Stretching Centre Universitaire Condorcet Laplace Mesh Processing Project - VIBOT January 16, 2015

SLIDE 4

Introduction

Graph Laplacian
Geometrical Laplacian

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SLIDE 5

Introduction

Applications
Spectral Decomposition
Smoothing or Frequency Removal

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SLIDE 6

Introduction

Applications
Mesh Editing
Anchors, handler
Least mean square

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SLIDE 7

Improvement in the Code

Software Provided
Mesh, NeighbourMesh
Problems with encapsulation, global variables, no software

architecture

Refactoring
Main public methods turned into private/protected
New Classes (Light, Camera, LaplacianMesh)
Qt OpenGL Integration

7 Centre Universitaire Condorcet Laplace Mesh Processing Project - VIBOT January 16, 2015

SLIDE 8

Improvement in the Code

Class Diagram: main attributes and methods

8 Centre Universitaire Condorcet Laplace Mesh Processing Project - VIBOT January 16, 2015

SLIDE 9

Program Implemented

Matlab Code
C++ Code
Graph Laplacian

9 Centre Universitaire Condorcet Laplace Mesh Processing Project - VIBOT January 16, 2015

SLIDE 10

Program Implemented

C++ Code
Geometrical Laplacian

10 Centre Universitaire Condorcet Laplace Mesh Processing Project - VIBOT January 16, 2015

SLIDE 11

Program Implemented

C++ Code
Geometrical Laplacian

11 Centre Universitaire Condorcet Laplace Mesh Processing Project - VIBOT January 16, 2015

SLIDE 12

Program Implemented

C++ Code
Spectral Decomposition
Smoothing and Frequency Removal

12 Centre Universitaire Condorcet Laplace Mesh Processing Project - VIBOT January 16, 2015

SLIDE 13

Program Implemented

C++ Code
Mesh Editing

13 Centre Universitaire Condorcet Laplace Mesh Processing Project - VIBOT January 16, 2015

SLIDE 14

User Interface

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SLIDE 15

Results

Spectral Decomposition
Mesh Smoothing

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SLIDE 16

Results

Frequency Removal
Mesh Editing

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SLIDE 17

Conclusion

Laplacian operator and its many properties
Applications
Smoothing
Editing
Research and Software development

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SLIDE 18

Future Works

Implementation of mouse interaction for

mesh editing

Rendering using Shaders
Parallel implementation of Laplacian

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SLIDE 19

Demonstration

Centre Universitaire Condorcet Laplace Mesh Processing Project - VIBOT January 16, 2015

SLIDE 20

Thank you for your attention! Questions?

Centre Universitaire Condorcet Laplace Mesh Processing Project - VIBOT January 16, 2015