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运用图像识别中的ＨＯＵＧＨ变换及特征提取方法，对四杆直线导向机构尺度进行研究，给出一种参数设计新方法，并用一个实例对该方法进行了验证．
Using the method of HOUGH transform and feature extraction in image recognition, the dimension of four-bar linear guide mechanism is studied. A new method of parametric design is given. An example is given to validate the method.