Method of pectus excavatum measurement based on structured light technique

Wojciech Glinkowski; Robert Sitnik; Marcin Witkowski; Hanna Kocon; Pawe&#322; Bolewicki; Andrzej Górecki

doi:10.1117/1.3210782

1 July 2009 Method of pectus excavatum measurement based on structured light technique

Wojciech Glinkowski, Robert Sitnik, Marcin Witkowski, Hanna Kocon, Paweł Bolewicki, Andrzej Górecki

Author Affiliations +

Journal of Biomedical Optics, Vol. 14, Issue 4, 044041 (July 2009). https://doi.org/10.1117/1.3210782

Abstract

We present an automatic method for assessment of pectus excavatum severity based on an optical 3-D markerless shape measurement. A four-directional measurement system based on a structured light projection method is built to capture the shape of the body surface of the patients. The system setup is described and typical measurement parameters are given. The automated data analysis path is explained. Their main steps are: normalization of trunk model orientation, cutting the model into slices, analysis of each slice shape, selecting the proper slice for the assessment of pectus excavatum of the patient, and calculating its shape parameter. We develop a new shape parameter (I_3ds) that shows high correlation with the computed tomography (CT) Haller index widely used for assessment of pectus excavatum. Clinical results and the evaluation of developed indexes are presented.

©(2009) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Wojciech Glinkowski, Robert Sitnik, Marcin Witkowski, Hanna Kocon, Paweł Bolewicki, and Andrzej Górecki "Method of pectus excavatum measurement based on structured light technique," Journal of Biomedical Optics 14(4), 044041 (1 July 2009). https://doi.org/10.1117/1.3210782

Published: 1 July 2009

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KEYWORDS

3D metrology

Computed tomography

Chest

Structured light

3D scanning

3D image processing

Clouds

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