摘要
Two- dimensional Fourier transform profilometry (2 -D FTP) for data acquisition of fabric surface shapes isproposed. Phase unwrapping technique based on digitalweighted filter and reliability mask are employed. Ex-perimentai results of shape measurement for several fab-ric appearances are given. From the measured results, itis shown that this method can make up for not only thedisadvantage of the gray level image analysis which isonly suitable for simple structure and solid - pattern fab-ric, but also the low speed and high cost of laser dotscanning technique.
Two - dimensional Fourier transform profilometry (2 -D FTP) for data acquisition of fabric surface shapes is proposed. Phase unwrapping technique based on digital weighted filter and reliability mask are employed. Experimental results of shape measurement for several fabric appearances are given. From the measured results, it is shown that this method can make up for not only the disadvantage of the gray level image analysis which is only suitable for simple structure and solid - pattern fabric, but also the low speed and high cost of laser dot scanning technique.
