CAJ | 학술논문

针对计算机辅助肝脏手术中的空间配准技术中的手术前的CT图像与手术中的实际空间进行配准问题，本文提出一种基于ICP算法的手术空间配准技术，通过利用几何哈希法筛选出最佳的三维变换，然后用该变换作用到整个点云，最后完成点云的拼接，使得准确度更高。仿真试验结果表明，改进的ICP拼接算法精度高，适用于计算机辅助肝脏手术。
침대계산궤보조간장수술중적공간배준기술중적수술전적CT도상여수술중적실제공간진행배준문제，본문제출일충기우ICP산법적수술공간배준기술，통과이용궤하합희법사선출최가적삼유변환，연후용해변환작용도정개점운，최후완성점운적병접，사득준학도경고。방진시험결과표명，개진적ICP병접산법정도고，괄용우계산궤보조간장수술。
Aiming at the problem of CT image is different before and during in computer aided liver operation correction in space, we come up with a correction method based on ICP algorithm, screening out the best three-dimensional transformation by geometric hashing methods, then use these translation to effect the whole point clouds, completing the point cloud splitting, to make the result more accurate. The results of simulation and experimental show, The accuracy of improved ICP algorithm is higher, which is suitable for computer aided liver operation.