Determination of the precision and accuracy of morphological measurements using the Kinect™ sensor: comparison with standard stereophotogrammetry

Bruno Bonnechère, Bart Jansen, Patrick Salvia, H Bouzahouene, Victor Sholukha, Jan Cornelis, Marcel Rooze, Serge Van Sint Jan

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)

Abstract

The recent availability of the Kinect(TM) sensor, a low-cost Markerless Motion Capture (MMC) system, could give new and interesting insights into ergonomics (e.g. the creation of a morphological database). Extensive validation of this system is still missing. The aim of the study was to determine if the Kinect(TM) sensor can be used as an easy, cheap and fast tool to conduct morphology estimation. A total of 48 subjects were analysed using MMC. Results were compared with measurements obtained from a high-resolution stereophotogrammetric system, a marker-based system (MBS). Differences between MMC and MBS were found; however, these differences were systematically correlated and enabled regression equations to be obtained to correct MMC results. After correction, final results were in agreement with MBS data (p = 0.99). Results show that measurements were reproducible and precise after applying regression equations. Kinect(TM) sensors-based systems therefore seem to be suitable for use as fast and reliable tools to estimate morphology.
Original languageEnglish
Pages (from-to)622-631
JournalErgonomics
Volume57
Issue number4
Publication statusPublished - 2014

Keywords

  • markerless motion capture

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