设计数字滤波器并利用传统的心电分析算法来标定心电波形的特征点。
Designing digital filter and demarcating the feature points of ECG wave with the traditional ECG analysis algorithm.
该方法采用事先通过标定的图像，对自然标志(特征点)的提取和基于灰度向量匹配来完成绝对位移的测量。
By using calibrated image, it can measure plane absolute displacement of worktable automatically via feature point extraction and gray vector matching.
这些特征点的成功提取是进行摄像机标定的前提。
The success of these feature points 'extraction is prerequisite for the camera calibration.
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