High fidelity 3D Scanner for Human and Object Modelling and Manipulation

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The Human Communication Technologies (HCT) and Robotics and Controls Laboratories are currently in need of a 3D scanner to support four primary research directions: development of a digital workflow for improving oral reconstructive surgery, new interaction paradigms for a 3D perspective corrected spherical display (3DPS), novel ultrasound interfaces and creating human tissue phantoms. In our research on oral reconstructive surgery, we are designing a subject-specific mastication model, called the virtual articulator, based on clinical data such as 3D digital surface scans and trajectory of jaw movements. This mastication model will be used in a digital computer aided design and manufacturing (CAD/CAM) treatment workflow to enable prediction of functional outcomes such as post-treatment ability to chew. Due to the sensitivity of this clinical application, the 3D scans must have an accuracy of <20 µm. Additionally, our research on new interaction methods to support a ‘capture-modify-make’ paradigm for CAD/CAM using a 3D perspective corrected display also requires a 3D scanner with colour texture information as well as good precision. The third project is part of our ongoing effort to redesign the ultrasound (US) probe to provide customized probe and medical instrument guides to enable better positioning. Relatedly, we also need to scan the curves of the human body where the US transducer will be used so that we can create phantoms to mimic the curves of the human body to better test our new configurations. We have 18 graduate students that have an immediate need for regular use of this 3D scanner as part of their research programs. An additional 8-20 students will immediately use it sporadically. Previously we have taken advantage of a high precision Coordinate Measuring Machine (CMM), which is part of a Composites Research Network lab at UBC; it is now impractical to continue using this scanner due to cost, speed and scheduling for regular use. Thus, we have requested CA$44,576 to purchase a Gomeasure3D LMI3D scanner with Macro Lens and Calibration kit with DSLR option for colour texture capturing.