3D shape descriptor by principal component analysis embedding for non-rigid 3D shape retrieval in a learning framework

Chunmei Duan*, Meizhen Liu*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

1 Citation (Scopus)

Abstract

In the paper, we propose a 3D shape descriptor which can be applied to areas such as non-rigid 3D shape analysis and retrieval. We start with the calculation of the Wave Kernel Signature (WKS) and the scale-invariant Heat Kernel Signature (siHKS) of surface points belong to a 3D shape. Then we combine them together and obtain their principle components by PCA (principle component analysis), which are employed as our own point signatures. We take a weighted average of all the point signatures over a 3D surface to obtain our own shape descriptor. Different from other approaches, we employ shape curvature as the element of weight in the construction of the shape descriptor. Moreover, our shape descriptor is also trained in a machine learning framework and then used to a non-rigid 3D shape retrieval application. The results of the experiments in the end of the paper show that our 3D shape descriptor is efficient and feasible for applications such as analysis of non-rigid 3D shape, non-rigid 3D shape matching and 3D shape retrieval, etc..

Original languageEnglish
Title of host publicationProceedings of 2021 IEEE 10th Data Driven Control and Learning Systems Conference (DDCLS'21)
EditorsMingxuan Sun, Huaguang Zhang
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages49-54
Number of pages6
ISBN (Electronic)9781665424233, 9781665424226
ISBN (Print)9781665424240
DOIs
Publication statusPublished - 2021
Event10th IEEE Data Driven Control and Learning Systems Conference, DDCLS 2021 - Suzhou, China
Duration: 14 May 202116 May 2021

Publication series

Name
ISSN (Print)2767-9853
ISSN (Electronic)2767-9861

Conference

Conference10th IEEE Data Driven Control and Learning Systems Conference, DDCLS 2021
Country/TerritoryChina
CitySuzhou
Period14/05/2116/05/21

Keywords

  • non-rigid 3D shape retrieval
  • point signature
  • principle component analysis
  • shape descriptor

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