COMPUTATIONAL CONFORMAL GEOMETRY


XIANFENG DAVID GU      ASSOCIATE PROFESSOR
W
EI ZENG                        POSTDOCTORAL RESEARCHER

COMPUTER SCIENCE DEPARTMENT

STONY BROOK UNIVERSITY (SUNY @ STONY BROOK)

STONY BROOK, NEW YORK 11794


RICCI FLOW | HOLOMORPHIC 1-FORM | APPLICATIONS

 

 

UNIFORMIZATION THEOREM - RICCI FLOW


 
Ricci Flow - General Closed Surfaces Ricci Flow - General Open Surfaces Geometric Structures

(1) Spherical structure on S2, (2) Euclidean structure on R2, (3) Hyperbolic structure on Poincare Disk H2: Conformal Structures.
(4) Projective structure on Klein Model H2: another kind of Geometric Structure.

 

GLOBAL CONFORMAL PARAMETERIZATION - HOLOMORPHIC 1-FORM


Step1: Harmonic 1-Forms Step2: Conjugate Harmonic 1-Forms Step3: Holomorphic 1-Forms
 

Riemannian Mapping Annulus Conformal Mapping Generalized Koebe's Conformal Mapping
 

QUASI-CONFORMAL MAPPING


Qusi-Riemannian Mapping Quasi-Annulus Mapping Quasi-Koebe's Mapping
 

EXAMPLES


Hyper (front-back)

Camel (front-back) Dino Bull
 

Stanford Bunny David (front-back-left-right) Bird
 

APPLICATIONS IN MEDICAL IMAGING


Brain Morphology Virtual Colonoscopy Supine-Prone Colon Registration
 

APPLICATIONS IN COMPUTER VISION



Dynamic Conformal Mapping

Non-Rigid Surface Registration Ricci Flow for Shape Analysis
 

APPLICATIONS IN GRAPHICS


Scientific Computation Texture Mapping

   

Geometry Image Stanford Bunny - Texture Mapping
 

APPLICATIONS IN GEOMETRIC MODELING


            

Manifold Spline (Bird - Buddha - David_Head) for Inverse Engineering
 

APPLICATIONS IN WIRELESS SENSOR NETWORKING


Greedy Routing by Euclidean Ricci Flow Resilient Routing in Hyperbolic Universal Covering Space Routing by Schottky Group
 

The materials published on this site are for non-commercial use such as research and teaching.

If you need higher resolution version, please contact gu AT cs.sunysb.edu.

©2003-2010 Xianfeng David Gu    http://www.cs.sunysb.edu/~gu
Wei Zeng
  http://www.cs.sunysb.edu/~zengwei
Last Updated: 12/15/2010