In phase measuring profilometry, in order to obtain a true phase, a phase-unwrapping process must be needed.For this reason a new algorithm which can directly obtain true phase is put forward.

• 在相位测量轮廓术中，为了得到真实相位值，必须进行相位解包裹处理的繁琐过程，为此提出一种可以直接获得真实相位值的新算法。