Optics and Precision Engineering, Volume. 29, Issue 11, 2590(2021)
Zonal projection based on binocular structured light for localized luminance saturation of intraoperative liver surface
Figures & Tables(16)
Fig. 2. Light schematic of liver surface based on binocular structured light system
Fig. 3. Light analysis of the surface of the liver based on the surgical environment
Fig. 4. Corresponding relation between pixel reflectivity and image content
Fig. 6. Hardware platform of three-dimensional reconstruction system of liver surface based on binocular structured light
Fig. 8. Three-dimensional reconstruction of porcine liver based on local luminance saturation improvement
Fig. 9. Three-dimensional reconstruction of porcine liver based on local luminance saturation improvement
Fig. 10. Three-dimensional reconstruction comparison of the area near local brightness saturation before and after improvement
Fig. 11. Three-dimensional reconstruction model of pig liver based on CT section
Fig. 12. Verification of three-dimensional reconstruction accuracy of porcine liver surface with "one" incision
Fig. 13. Verification of precision of three-dimensional reconstruction of liver surface before and after tumor enucleation
Table 1. Hardware function and parameters of three-dimensional reconstruction platform of liver surface
View tableView in ArticleTable 1. Hardware function and parameters of three-dimensional reconstruction platform of liver surface
硬件名称 作用 参数/型号 显示器 显示三维重建的肝脏曲面 2K屏 手术器械 用于术中切割猪肝表面 Carent定制 支撑架 支撑显示器并给滑动支架提供导向 150 mm×100 mm×100 mm 工作站 肝脏表面三维点云计算、相机标定等 ThinkStation 滑动支架 保证投影仪和相机能根据需求调整位置 定制 投影仪 投射条纹光栅 定制 双目相机 拍摄图片用于肝脏表面三维重建 MER-125-30UC-L
Table 2. Deviation of 3D reconstruction of liver surface before and after local brightness saturation improvement
View tableView in ArticleTable 2. Deviation of 3D reconstruction of liver surface before and after local brightness saturation improvement
偏差测量 曲面缺失面积占比 初始表面 圆形切口 肿瘤剜除 改善前 1.1% 2.9% 1.4% 改善后 0 0 0
Table 3. Accuracy of 3D reconstruction of liver surface under different operating conditions
View tableView in ArticleTable 3. Accuracy of 3D reconstruction of liver surface under different operating conditions
猪肝表面手术切割形状 不同手术状态下的猪肝表面三维重建的平均误差/mm 一字切口 0.49 肿瘤剜除前 0.88 肿瘤剜除后 0.89 整体 0.75
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Long CHEN, Wen-Cong WANG, Feng-Feng ZHANG, Li-Ning SUN. Zonal projection based on binocular structured light for localized luminance saturation of intraoperative liver surface[J]. Optics and Precision Engineering, 2021, 29(11): 2590
Paper Information
Category: Modern Applied Optics
Received: Mar. 26, 2021
Accepted: --
Published Online: Dec. 10, 2021
The Author Email: ZHANG Feng-Feng (zhangfengfeng@suda.edu.cn)
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