Singh Vivek, Chang Yao-Jen, Ma Kai, Wels Michael, Soza Grzegorz, Chen Terrence
Med Image Comput Comput Assist Interv. 2014;17(Pt 1):472-9. doi: 10.1007/978-3-319-10404-1_59.
In this paper, we present the idea of equipping a tomographic medical scanner with a range imaging device (e.g. a 3D camera) to improve the current scanning workflow. A novel technical approach is proposed to robustly estimate patient surface geometry by a single snapshot from the camera. Leveraging the information of the patient surface geometry can provide significant clinical benefits, including automation of the scan, motion compensation for better image quality, sanity check of patient movement, augmented reality for guidance, patient specific dose optimization, and more. Our approach overcomes the technical difficulties resulting from suboptimal camera placement due to practical considerations. Experimental results on more than 30 patients from a real CT scanner demonstrate the robustness of our approach.
在本文中，我们提出了为断层扫描医疗扫描仪配备距离成像设备（如3D相机）以改进当前扫描工作流程的想法。提出了一种新颖的技术方法，通过相机的单次快照稳健地估计患者表面几何形状。利用患者表面几何形状的信息可带来显著的临床益处，包括扫描自动化、运动补偿以获得更好的图像质量、患者运动的合理性检查、用于引导的增强现实、针对患者的剂量优化等等。我们的方法克服了由于实际考虑导致相机放置不理想而产生的技术难题。来自真实CT扫描仪的30多名患者的实验结果证明了我们方法的稳健性。
