Impact of coordinate systems on 3D manipulations in mobile augmented reality

Philipp Tiefenbacher, Steven Wichert, Daniel Merget, Gerhard Rigoll

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

2 Scopus citations

Abstract

Mobile touch PCs allow interactions with virtual objects in augmented reality scenes. Manipulations of 3D objects are a common way of such interactions, which can be performed in three different coordinate systems: The camera-, object- And world coordinate systems. The camera coordinate system changes continuously in augmented reality as it depends on the mobile device's pose. The axis orientations of the world coordinate system are steady, whereas the axes of the object coordinates base on previous manipulations. The selection of a coordinate system therefore influences the 3D transformation's orientation independent from the used manipulation type. In this paper, we evaluate the impact of the three possible coordinate systems on rotation and on translation of a 3D item in an augmented reality scenario. A study with 36 participants determines the best coordinates for translation and rotation.

Original languageEnglish
Title of host publicationICMI 2014 - Proceedings of the 2014 International Conference on Multimodal Interaction
PublisherAssociation for Computing Machinery, Inc
Pages435-438
Number of pages4
ISBN (Electronic)9781450328852
DOIs
StatePublished - 12 Nov 2014
Event16th ACM International Conference on Multimodal Interaction, ICMI 2014 - Istanbul, Turkey
Duration: 12 Nov 201416 Nov 2014

Publication series

NameICMI 2014 - Proceedings of the 2014 International Conference on Multimodal Interaction

Conference

Conference16th ACM International Conference on Multimodal Interaction, ICMI 2014
Country/TerritoryTurkey
CityIstanbul
Period12/11/1416/11/14

Keywords

  • Augmented reality
  • Coordinate systems
  • Interaction
  • Manipulation
  • Mobile
  • Rotation
  • Translation

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