2 November 2011 Metrological analysis of the human foot: 3D multisensor exploration
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Abstract
In the podiatry field, many of the foot dysfunctions are mainly generated due to: Congenital malformations, accidents or misuse of footwear. For the treatment or prevention of foot disorders, the podiatrist diagnoses prosthesis or specific adapted footwear, according to the real dimension of foot. Therefore, it is necessary to acquire 3D information of foot with 360 degrees of observation. As alternative solution, it was developed and implemented an optical system of threedimensional reconstruction based in the principle of laser triangulation. The system is constituted by an illumination unit that project a laser plane into the foot surface, an acquisition unit with 4 CCD cameras placed around of axial foot axis, an axial moving unit that displaces the illumination and acquisition units in the axial axis direction and a processing and exploration unit. The exploration software allows the extraction of distances on three-dimensional image, taking into account the topography of foot. The optical system was tested and their metrological performances were evaluated in experimental conditions. The optical system was developed to acquire 3D information in order to design and make more appropriate footwear.
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A. Muñoz Potosi, J. Meneses Fonseca, and J. León Téllez "Metrological analysis of the human foot: 3D multisensor exploration", Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 80117Q (2 November 2011); doi: 10.1117/12.903272; https://doi.org/10.1117/12.903272
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