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Method of Real-time Tracking for Respiratory Motion Based on SIFT Feature Matching

机译:基于SIFT特征匹配的呼吸运动实时跟踪方法

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In this study, a new non-contact method of cancer detection based on SIFT feature matching is proposed to track real-time the respiratory motion. And a new camera calibration method based on planar and 3D checkerboard templates is proposed to get high accuracy calibration parameters. Experiment results show that cameras calibration accuracy is 0.0365 mm and the biggest movement scope of the marker is not lager than 1.5 mm between the vision measurement and practical measurement in a breathing cycle and can achieve the real-time tracking for respiratory motion.
机译:在这项研究中,提出了一种新的基于SIFT特征匹配的非接触式癌症检测方法,以实时跟踪呼吸运动。提出了一种基于平面和3D棋盘模板的摄像机标定方法,以得到高精度的标定参数。实验结果表明,相机校准精度为0.0365 mm,并且在呼吸周期中,视觉测量值与实际测量值之间的最大移动范围不超过1.5 mm,并且可以实现呼吸运动的实时跟踪。

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