Real-Time 3D Ultrasound Imaging System Based on a Hybrid Reconstruction Algorithm  

作　　者：Yifei LYU Yu SHEN Mingbo ZHANG Junchen WANG 

机构地区：[1]School of Mechanical Engineering and Automation,Beihang University,Beijing 100191,China [2]The First Medical Center,General Hospital of Chinese PLA,Beijing 100853,China

出　　处：《Chinese Journal of Electronics》2024年第1期245-255,共11页电子学报（英文版）

基　　金：supported by the National Key R&D Program of China(Grant No.2022YFC2405401);the National Natural Science Foundation of China(Grant No.62173014)。

摘　　要：As a safe and convenient imaging technology in clinical routine diagnosis,ultrasound imaging can provide real-time 2D images of internal tissues and organs.To realize real-time 3D image reconstruction,pixel nearest neighbor interpolation(PNN)reconstruction algorithm and Bezier interpolation algorithm are combined into a hybrid reconstruction algorithm.On this basis,a real-time interactive 3D ultrasound imaging system is developed.Through temporal calibration and spatial calibration,the six degrees of freedom poses of 2D ultrasound images can be accurately collected.The 3D volume reconstructed by the proposed 3D reconstruction algorithm is visualized by volume rendering.A multi-thread software system allows parallel operation of data acquisition,3D reconstruction,volume visualization and other functions.3D imaging experiments on a 3D printing femur model,a neck phantom and the neck of human volunteers were performed for systematic evaluation.When the reconstruction voxel size was set to be(0.53 mm3,1.03 mm3,1.53 mm3),the reconstruction errors of the femur and trachea model were respectively(0.23 mm,0.31 mm,0.56 mm)and(0.62 mm,0.88 mm,1.41 mm).Clinical feasibility was demonstrated by application of the 3D ultrasound imaging on the neck of human volunteers.

关 键 词：3D ultrasound imaging Free-hand reconstruction Spatial calibration 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术] R445.1[自动化与计算机技术—计算机科学与技术]