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Virtual reality (VR) has found many uses in physical and motor rehabilitation in recent years. VR offers new possibilities for altering a user's visual self-representation using a self-avatar that replicates his movements accurately, or modifies them by incorporating modulations in real-time. The objective of this study is to quantify the variations in gait kinematics of subjects when the lower-limb...
Fall detection is very important to provide adequate interventions for aging people in risk situations. Existing techniques focus on detecting falls using wearable or ambient sensors. However, they do not consider fall orientations. In this paper, we present our novel fall detection system based on smart textiles and machine learning techniques. Using a non-linear support vector machine, we determine...
The purpose of this article is two-fold : (1) to select a set of bio-mechanical features to characterize arthroplasty candidates and, (2) design a surgical and non-surgical candidate classifier via decision trees. The biomechanical features are generated from 3D knee kinematic patterns, namely, flexion-extension, abduction-adduction, and tibial internal-external rotation measurements taken during...
Recent studies have shown that the Gibbs density function can model complex patterns and that a constrained maximum entropy formulation affords a powerful means of estimating its parameters from pattern class data. The theory, developed in the context of learning a prior model of natural images, has been applied successfully to the synthesis of textures and shapes, and to pattern classification. The...
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