Abstract
Medical doctors and podiatrists have been using plantar pressure for the evaluation of the foot loading in regard to foot biomechanics and foot health for decades. High plantar pressure can cause pain and foot injury such as plantar ulcer during walking. Two types of systems are suitable for pressure capture and they are commonly known as floor mat or floor pad and in-shoe pad. For the floor-mat system pressure values are displayed as image which does not depict the foot shape. Therefore, shortcoming of this system for plantar pressure recording during walking is that the location of the pressure value related to the plantar surface is only approximate. A research was conducted to determine whether markers can be placed on the plantar surface and their positions identifiable on the pressure image. This paper describes the technique for matching the plantar shape to the pressure image during walking.
Highlights
IntroductionBackground The Plantar pressure measures (centre of pressure, pressure gradient, impulse, contact duration, pressure-time integral, and centroid of area of contact trajectory) can be obtained by a variety of systems
The higher resolution systems consist of larger number of small pressure sensors or pressure sensel per unit area. These sensors (Figure 1(a)) are ideal for measuring plantar pressure without disturbing patient movement during trial because they are thin enough to enable non-intrusive measurement (Noce, 2005; Bryant et al, 2005; Abdul-Razak et al, 2012; Rodrigo et al, 2013) [3] [4] [9] [10]. These system are utilised in clinical gait analysis (Abdul-Razak et al, 2012; Bryant et al, How to cite this paper: Chong, A.K., Al-Baghdadi, J.A. and Milburn, P. (2015) Human Plantar Pressure Image and Foot Shape Matching
The research aims to develop a method for correlating the plantar surface with the plantar pressure image captured by floor-based pressure mat
Summary
Background The Plantar pressure measures (centre of pressure, pressure gradient, impulse, contact duration, pressure-time integral, and centroid of area of contact trajectory) can be obtained by a variety of systems These systems are electronic devices designed to measure the pressure caused by interaction between the foot and the support surface ((Sih, 2001; Perttunen, 2002; Noce, 2005; Bryant et al, 2005; Caudert et al, 2006; Martínez-Nova et al, 2008; Flórez & Velásquez, 2010; Al-Baghdadi et al, 2011; Abdul-Razak et al, 2012) [1]-[9]. The higher resolution systems consist of larger number of small pressure sensors or pressure sensel per unit area These sensors (Figure 1(a)) are ideal for measuring plantar pressure without disturbing patient movement during trial because they are thin enough to enable non-intrusive measurement (Noce, 2005; Bryant et al, 2005; Abdul-Razak et al, 2012; Rodrigo et al, 2013) [3] [4] [9] [10].
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