本方法具有不必经过计算，实时确定条纹级数的优点，对于曲率和斜率测量方法和系统的完善具有实际意义。

Without calculation, the method can determine the order of the fringes in real time. It has practical significance when it is used to measure the curvature and slope and to im-prove the system.

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本文提出的等差线条纹级数的自动判别方法，是通过两次扫描，依靠计算机软件功能实现条纹级数的自动判别。

With the aid of computer, an automatic method for reognromatic fringe orders by means of double scanning is proposed.

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对滤波后的条纹图进一步采取二值化、骨架线提取、条纹级数标定、插值一系列操作，得到物体的三维相位信息。

After denoising, a series of operations, binarization, skeleton extraction, fringe order assignation and interpolation, were implemented and the three-dimension phase map was obtained.

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