Probabilistic Evaluation of 3D Surfaces Using Statistical Shape Models (SSM)

Inspecting a 3D object which shape has elastic manufacturing tolerances in order to find defects is a challenging and time-consuming task. This task usually involves humans, either in the specification stage followed by some automatic measurements, or in other points along the process. Even when a detailed inspection is performed, the measurements are limited to a few dimensions instead of a complete examination of the object. In this work, a probabilistic method to evaluate 3D surfaces is presented. This algorithm relies on a training stage to learn the shape of the object building a statistical shape model. Making use of this model, any inspected object can be evaluated obtaining a probability that the whole object or any of its dimensions are compatible with the model, thus allowing to easily find defective objects. Results in simulated and real environments are presented and compared to two different alternatives.

Medienart:

E-Artikel

Erscheinungsjahr:

2020

Erschienen:

2020

Enthalten in:

Zur Gesamtaufnahme - volume:20

Enthalten in:

Sensors (Basel, Switzerland) - 20(2020), 22 vom: 17. Nov.

Sprache:

Englisch

Beteiligte Personen:

Pérez, Javier [VerfasserIn]
Guardiola, Jose-Luis [VerfasserIn]
Perez, Alberto J [VerfasserIn]
Perez-Cortes, Juan-Carlos [VerfasserIn]

Links:

Volltext

Themen:

3D metrics
3D reconstruction
3D surface evaluation
Journal Article
Quality assessment
Statistical shape model

Anmerkungen:

Date Completed 24.11.2020

Date Revised 01.12.2020

published: Electronic

Citation Status PubMed-not-MEDLINE

doi:

10.3390/s20226554

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM317798685