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Signal Processing Aspects of 3-Dimensional Shape Measurement
C.Allan HOBSON, Jeremy D. PEARSON, Peter H. DANGERFIELD
57 - 62
10.3233/978-1-60750-859-5-57
Studies in Health Technology and Informatics
Volume 15: Three Dimensional Analysis of Spinal Deformities
Abstract

An image is a two dimensional signal, from which information about the third dimension, height, must be extracted when measuring surface shape. This paper reviews ways in which this may be done, starting with binocular vision systems and then moving on to ways in which additional information may be added to a single image so that height may be extracted. For each system some brief comments are included regarding problems of application and limitations on accuracy.

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