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

人类通信技术（HCT）和机器人与控制实验室目前需要一台3D扫描仪来支持四个主要研究方向：开发用于改进口腔重建手术的数字工作流程，用于3D视角校正球面显示（3DPS）的新交互范例，新型超声接口和创建人体组织幻影。在口腔重建手术的研究中，我们基于临床数据，如三维数字表面扫描和下颌运动轨迹，设计了一个特定对象的咀嚼模型，称为虚拟关节器。这种咀嚼模型将用于数字计算机辅助设计和制造（CAD/CAM）治疗工作流程，以预测治疗后的功能结果，如咀嚼能力。由于这种临床应用的敏感性，3D扫描必须具有<20µm的精度。此外，我们对新的交互方法的研究，以支持CAD/CAM的“捕获-修改-制造”范式，使用3D透视校正显示，也需要具有彩色纹理信息和良好精度的3D扫描仪。第三个项目是我们正在努力重新设计超声（美国）探头的一部分，以提供定制的探头和医疗器械引导，以实现更好的定位。与此相关，我们还需要扫描人体的曲线，其中美国换能器将被使用，这样我们就可以创建模拟人体曲线的幻影，以更好地测试我们的新配置。我们有18名研究生，他们迫切需要经常使用这种3D扫描仪作为他们研究项目的一部分。另外8-20名学生会立即偶尔使用它。以前，我们利用了高精度三坐标测量机（CMM），这是UBC复合材料研究网络实验室的一部分；由于成本、速度和定期使用的日程安排，现在继续使用这种扫描仪是不切实际的。因此，我们要求44,576加元购买带有微距镜头的Gomeasure3D LMI3D扫描仪和带有单反选项的校准套件，用于彩色纹理捕获。

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.