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根据立体视差测距原理，建立了断口表面相对深度的计算机辅助测量计算模型．提出了一种用于寻找“点对”匹配的Ｌｅｖｉｎｅ改进算法，进行了实例计算分析．计算结果表明，这种测量方法具有良好的稳定性和较高的测量精度
According to the principles of stereo disparity ranging, a computer aided measurement model of the relative depth of the fracture surface is established. An improved Levine algorithm was proposed for finding “point-to-point” matching and a case study was made. The calculation results show that this method has good stability and high measurement accuracy