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Enabling design and interactive selection of haptic modes
Linköping University, Department of Science and Technology, Visual Information Technology and Applications (VITA). Linköping University, The Institute of Technology.ORCID iD: 0000-0003-2429-0842
Linköping University, Department of Science and Technology, Visual Information Technology and Applications (VITA). Linköping University, The Institute of Technology.
Linköping University, Faculty of Health Sciences. Linköping University, Department of Medicine and Care, Medical Radiology. Östergötlands Läns Landsting, Centre for Medical Imaging, Department of Radiology UHL. Linköping University, Center for Medical Image Science and Visualization, CMIV.ORCID iD: 0000-0002-9446-6981
SenseGraphics AB.
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2007 (English)In: Virtual Reality, ISSN 1359-4338, E-ISSN 1434-9957Article in journal (Refereed) Published
Abstract [en]

The ever increasing size and complexity of volumetric data in a wide range of disciplines makes it useful to augment volume visualization tools with alternative modalities. Studies have shown that introducing haptics can significantly increase both exploration speed and precision. It is also capable of conveying material properties of data and thus has great potential to improve user performance in volume data exploration. In this paper we describe how recent advances in volume haptics can be used to build haptic modes-building blocks for haptic schemes. These modes have been used as base components of a toolkit allowing for more efficient development of haptic prototypes and applications. This toolkit allows interactive construction, configuration and fine-tuning of both visual and haptic representations of the data. The technology is also used in a pilot study to determine the most important issues and aspects in haptic volume data interaction and exploration, and how the use of haptic modes can facilitate the implementation of effective haptic schemes.

Place, publisher, year, edition, pages
Keyword [en]
Volume haptics, Haptic modes, Toolkit, User study
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-35498DOI: 10.1007/s10055-006-0033-7Local ID: 27168OAI: diva2:256346
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2015-09-22
In thesis
1. Direct Volume Haptics for Visualization
Open this publication in new window or tab >>Direct Volume Haptics for Visualization
2007 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Visualization is the process of making something perceptible to the mind or imagination. The techniques for producing visual imagery of volumetric data have advanced immensely during the last decades to a point where each produced image can include an overwhelming amount of information. An increasingly viable solution to the limitations of the human sense of visual perception is to make use of not only vision, but also additional senses.

This thesis presents recent work on the development of principles and algorithms for generating representations of volumetric data through the sense of touch for the purpose of visualization. The primary idea introduced in this work is the concept of yielding constraints, that can be used to provide a continuous set of shapes as a representation of features of interest in various types of volumetric data. Some of the earlier identified standard human exploratory procedures can then be used which enables natural, intuitive and effective interaction with the data. The yielding constraints concept is introduced, and an algorithm based on haptic primitives is described, which forms a powerful yet versatile implementation of the yielding constraints. These methods are also extended to handle time-varying, moving and low quality data. A framework for multimodal visualization has been built on the presented methods, and this is used to demonstrate the applicability and versatility of the work through several example applications taken from different areas.

Place, publisher, year, edition, pages
Linköping: Institutionen för teknik och naturvetenskap, 2007. 76 p.
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 0345-7524
Haptic Visualization, Volumetric Data, Haptic Primitives, Shape Representations, Time-varying Data
National Category
Computer Engineering
urn:nbn:se:liu:diva-8771 (URN)978-91-85831-98-2 (ISBN)
Public defence
2007-05-25, K1, Kåkenhus, Campus Norrköping, Linköpings universitet, Norrköping, 14:15 (English)
Available from: 2007-05-14 Created: 2007-05-14 Last updated: 2015-09-22

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Lundin (Palmerius), KarljohanCooper, MatthewPersson, AndersYnnerman, Anders
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Visual Information Technology and Applications (VITA)The Institute of TechnologyFaculty of Health SciencesMedical RadiologyDepartment of Radiology UHLCenter for Medical Image Science and Visualization, CMIV
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Virtual Reality
Engineering and Technology

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