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Volume 25
Issue 20
10.3390/s25206307
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Image-Analysis-Based Validation of the Mathematical Framework for the Representation of the Travel of an Accelerometer-Based Texture Testing Device

by
Harald Paulsen
1,*,
Margit Gföhler
1,
Johannes Peter Schramel
2 and
Christian Peham
2
1
Research Unit for Biomechanics and Rehabilitation Engineering, TU Wien, 1060 Vienna, Austria
2
Movement Science Group, University Equine Hospital, University of Veterinary Medicine, 1210 Vienna, Austria
*
Author to whom correspondence should be addressed.
Sensors 2025, 25(20), 6307; https://doi.org/10.3390/s25206307 (registering DOI)
Submission received: 15 August 2025 / Revised: 29 September 2025 / Accepted: 11 October 2025 / Published: 12 October 2025
(This article belongs to the Section Sensing and Imaging)
Versions Notes

Abstract

Texture testing is applied in various industries. Recently, a simple, accelerometer-equipped texture testing device (Surface Tester of Food Resilience; STFR) has been developed, and we elaborated formulae describing the movement of the probe. In this paper, we describe the validation of said formulae, relying on video image analysis of the travel of the spherical probe. This allowed us to select the best-fit mathematical models. We elaborated formulae for accurate calculation of specimen surface characteristics and present an application integrating these formulae in the test procedure. The impact of correct height adjustment and specimen height was found to be critical for reproducibility of measurements and thus needs attendance. These findings form the basis for future comparative studies with established texture analyzers.
Keywords: high-speed recording; image analysis; accelerometer; mathematical models high-speed recording; image analysis; accelerometer; mathematical models

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MDPI and ACS Style

Paulsen, H.; Gföhler, M.; Schramel, J.P.; Peham, C. Image-Analysis-Based Validation of the Mathematical Framework for the Representation of the Travel of an Accelerometer-Based Texture Testing Device. Sensors 2025, 25, 6307. https://doi.org/10.3390/s25206307

AMA Style

Paulsen H, Gföhler M, Schramel JP, Peham C. Image-Analysis-Based Validation of the Mathematical Framework for the Representation of the Travel of an Accelerometer-Based Texture Testing Device. Sensors. 2025; 25(20):6307. https://doi.org/10.3390/s25206307

Chicago/Turabian Style

Paulsen, Harald, Margit Gföhler, Johannes Peter Schramel, and Christian Peham. 2025. "Image-Analysis-Based Validation of the Mathematical Framework for the Representation of the Travel of an Accelerometer-Based Texture Testing Device" Sensors 25, no. 20: 6307. https://doi.org/10.3390/s25206307

APA Style

Paulsen, H., Gföhler, M., Schramel, J. P., & Peham, C. (2025). Image-Analysis-Based Validation of the Mathematical Framework for the Representation of the Travel of an Accelerometer-Based Texture Testing Device. Sensors, 25(20), 6307. https://doi.org/10.3390/s25206307

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