Browse Prior Art Database

Hierarchical feature edge extraction based on local shape

IP.com Disclosure Number: IPCOM000013084D
Original Publication Date: 2000-May-01
Included in the Prior Art Database: 2003-Jun-12

Publishing Venue

IBM

Abstract

Abstract This document describes a new method for extracting feature edge from polyhedral data. The method extracts feature edges with corresponding priorities, and can be used in a variety of applications such as 3D-shape similarity searching or automatic ordering the vertices of polyhedral data for LOD (Level of Detail) data generation or progressive data transfer. The key characteristics of the method are a new definition of feature edges -a scale oriented feature edge definition- and a method for estimating local shape of polyhedral data by using two kinds of error computation. 1. 1. Introduction