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3D surface measurement for medical application--technical comparison of two established industrial surface scanning
K Schwenzer-Zimmerer1, J Haberstok, L Kovacs
1Hightech Research Center of Cranio-Maxillofacial Surgery, University Hospital of Basel, Spitalstr. 21, 4031 Basel, Switzerland. kschwenzer@uhbs.ch
Abstract:
In 3D mapping of flexible surfaces (e.g. human faces) measurement errors due to movement or positioning occur. Aggravated by equipment- or researcher-caused mistakes considerable deviations can result. Therefore first the appliances' precision handling and reliability in clinical environment must be established. Aim of this study was to investigate accuracy and precision of two contact-free 3D measurement systems (white light vs. laser). Standard specimens of known diameter for sphere deviation, touch deviation and plane deviation were tested. Both systems are appropriate for medical application acquiring solid data (
