Interactive Mesh Segmentation with a Novel Click Interface

MPhil Thesis Defence


Title: "Interactive Mesh Segmentation with a Novel Click Interface"

By

Mr. Jackson Yuen


Abstract

Mesh segmentation plays an important role in geometry processing and 
computer graphics applications. It serves as a pre-processing step for 
many applications such as shape retrieval, skeleton extraction, texture 
mapping and shape matching. Fully automatic segmentation is still a hard 
problem as the results may not be consistent with user intention. Thus 
interactive segmentation remains an interesting topic. Recent work in 
interactive segmentation focuses on designing good tools that compute a 
user desired cut with minimal amount of interactions. These methods 
require either multiple in-segment strokes or on/cross-boundary stroke 
with careful user attention.

In this thesis, we propose a novel and intuitive click tool for mesh 
segmentation. Our tool computes a cut using only click locations without a 
cut direction. The cut direction is automatically determined through a 
well-designed isoline selection scheme. Candidate cutting boundaries are 
isolines of harmonic fields. Our scheme selects the best isoline as the 
cutting boundary. The segmentation results are always smooth and 
insensitive to noise and tessellation and require no post-processing. To 
allow more user control, we design an optional cut refinement method that 
is also driven by clicks. The cut can be refined to pass through more 
locations specified by clicks. Experimental result shows that our tool is 
easy-to-use and produces competitive segmentation quality comparing to 
state-of-art segmentation tools.


Date:			Thursday, 25 August 2011

Time:			2:00pm – 4:00pm

Venue:			Room 5501
 			Lifts 25/26

Committee Members:	Dr. Chiew-Lan Tai (Supervisor)
 			Dr. Huamin Qu (Chairperson)
 			Dr. Pedro Sander


**** ALL are Welcome ****