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Fourier Transform Profilometry for Measurement of the Three Dimensional Shape of the Human Back in Scoliosis
Jeremy D. PEARSON, Peter H. DANGERFIELD, David R. BURTON, C. Allan HOBSON, John C. DORGAN
9 - 14
10.3233/978-1-60750-859-5-9
Studies in Health Technology and Informatics
Volume 15: Three Dimensional Analysis of Spinal Deformities
Abstract

This paper describes preliminary work in the application of Fourier Transform Profilometry (FTP) to the measurement of human back shape. Optical fringe patterns are generated on the surface of the back and the FTP method, which is phase sensitive, is used to reconstruct the surface shape of the back. The method is relatively resilient to changes in the reflective properties of the skin and overcomes the problem of low sampling density which is inherent in edge or peak extracting methods.

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