Ray Interpolation for Generic Triangulation Based on a Galvanometric Laser Scanning System

Ralf Bruder; Achim Schweikard; Floris Ernst; Benjamin Wagner; Patrick Stüber; Tobias Wissel

doi:10.1109/ISBI.2015.7164142

Ray Interpolation for Generic Triangulation Based on a Galvanometric Laser Scanning System

Ralf Bruder, Achim Schweikard, Floris Ernst, Benjamin Wagner, Patrick Stüber, Tobias Wissel

Institute of Robotics and Cognitive Systems

Otto von Guericke University Magdeburg

Abstract

Our research group is currently developing a new optical head tracking system for intracranial radiosurgery. The system uses infrared laser light to measure features of the soft tissue on the patients forehead which correlate with the thickness of the soft tissue. For future registration purposes, the system also acquires accurate pointwise reconstructions of the corresponding surface of the forehead by using triangulation. This paper proposes a method for the interpolation of laser rays based on a galvanometric laser scanning system. The advantage of the ray interpolation is that an alternative time consuming recalibration of the laser rays can be avoided. Experiments revealed a triangulation accuracy of around 0.1192 mm using ray interpolation. © 2015 IEEE.

Original language	English
Title of host publication	2015 IEEE International Symposium on Biomedical Imaging
Number of pages	4
Volume	Volume 2015-July
Publisher	IEEE
Publication date	21.07.2015
Pages	1419-1422
Article number	7164142
ISBN (Print)	978-147992374-8
DOIs	https://doi.org/10.1109/ISBI.2015.7164142
Publication status	Published - 21.07.2015
Event	12th IEEE International Symposium on Biomedical Imaging - New York, United States Duration: 16.04.2015 → 19.04.2015

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Bruder, R., Schweikard, A., Ernst, F., Wagner, B., Stüber, P., & Wissel, T. (2015). Ray Interpolation for Generic Triangulation Based on a Galvanometric Laser Scanning System. In 2015 IEEE International Symposium on Biomedical Imaging (Vol. Volume 2015-July, pp. 1419-1422). Article 7164142 (Proceedings - International Symposium on Biomedical Imaging; Vol. 2015-July). IEEE. https://doi.org/10.1109/ISBI.2015.7164142

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title = "Ray Interpolation for Generic Triangulation Based on a Galvanometric Laser Scanning System",

abstract = "Our research group is currently developing a new optical head tracking system for intracranial radiosurgery. The system uses infrared laser light to measure features of the soft tissue on the patients forehead which correlate with the thickness of the soft tissue. For future registration purposes, the system also acquires accurate pointwise reconstructions of the corresponding surface of the forehead by using triangulation. This paper proposes a method for the interpolation of laser rays based on a galvanometric laser scanning system. The advantage of the ray interpolation is that an alternative time consuming recalibration of the laser rays can be avoided. Experiments revealed a triangulation accuracy of around 0.1192 mm using ray interpolation. {\textcopyright} 2015 IEEE.",

author = "Ralf Bruder and Achim Schweikard and Floris Ernst and Benjamin Wagner and Patrick St{\"u}ber and Tobias Wissel",

note = "High-Accuracy Head Tracking; 12th IEEE International Symposium on Biomedical Imaging , ISBI 2015 ; Conference date: 16-04-2015 Through 19-04-2015",

year = "2015",

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doi = "10.1109/ISBI.2015.7164142",

language = "English",

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Bruder, R , Schweikard, A , Ernst, F, Wagner, B, Stüber, P & Wissel, T 2015, Ray Interpolation for Generic Triangulation Based on a Galvanometric Laser Scanning System. in 2015 IEEE International Symposium on Biomedical Imaging. vol. Volume 2015-July, 7164142, Proceedings - International Symposium on Biomedical Imaging, vol. 2015-July, IEEE, pp. 1419-1422, 12th IEEE International Symposium on Biomedical Imaging , New York, New York, United States, 16.04.15. https://doi.org/10.1109/ISBI.2015.7164142

Ray Interpolation for Generic Triangulation Based on a Galvanometric Laser Scanning System. / Bruder, Ralf ; Schweikard, Achim ; Ernst, Floris et al.
2015 IEEE International Symposium on Biomedical Imaging. Vol. Volume 2015-July IEEE, 2015. p. 1419-1422 7164142 (Proceedings - International Symposium on Biomedical Imaging; Vol. 2015-July).

Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

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T1 - Ray Interpolation for Generic Triangulation Based on a Galvanometric Laser Scanning System

AU - Bruder, Ralf

AU - Schweikard, Achim

AU - Ernst, Floris

AU - Wagner, Benjamin

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AU - Wissel, Tobias

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Y1 - 2015/7/21

N2 - Our research group is currently developing a new optical head tracking system for intracranial radiosurgery. The system uses infrared laser light to measure features of the soft tissue on the patients forehead which correlate with the thickness of the soft tissue. For future registration purposes, the system also acquires accurate pointwise reconstructions of the corresponding surface of the forehead by using triangulation. This paper proposes a method for the interpolation of laser rays based on a galvanometric laser scanning system. The advantage of the ray interpolation is that an alternative time consuming recalibration of the laser rays can be avoided. Experiments revealed a triangulation accuracy of around 0.1192 mm using ray interpolation. © 2015 IEEE.

AB - Our research group is currently developing a new optical head tracking system for intracranial radiosurgery. The system uses infrared laser light to measure features of the soft tissue on the patients forehead which correlate with the thickness of the soft tissue. For future registration purposes, the system also acquires accurate pointwise reconstructions of the corresponding surface of the forehead by using triangulation. This paper proposes a method for the interpolation of laser rays based on a galvanometric laser scanning system. The advantage of the ray interpolation is that an alternative time consuming recalibration of the laser rays can be avoided. Experiments revealed a triangulation accuracy of around 0.1192 mm using ray interpolation. © 2015 IEEE.

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SN - 978-147992374-8

VL - Volume 2015-July

T3 - Proceedings - International Symposium on Biomedical Imaging

SP - 1419

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T2 - 12th IEEE International Symposium on Biomedical Imaging

Y2 - 16 April 2015 through 19 April 2015

ER -

Ray Interpolation for Generic Triangulation Based on a Galvanometric Laser Scanning System

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