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在兩正交視野下以模型為基礎的即時人體運動參數分析系統
Thesis

在兩正交視野下以模型為基礎的即時人體運動參數分析系統

沈保成
Masters, National Tsing Hua University
2003

Abstract

正交視野以模型為基礎人體運動分析系統即時系統人體運動追蹤系統投影分析濾波器虛擬人物 orthogonal viewsmodel-basedhuman motion analysis systemreal-time systemhuman motion tracking systemKalman filtermodel-based matchingprojection profile
In this thesis, we introduce a real time two orthogonal views human motion analysis system. We use two cameras to capture the facade and flank views of the human motion. To track the motion of the human object, we propose two methods to estimate the motion parameters (BAPs) of the human arm and leg. First, we use Kalman filter to predict arms posture. Second, we track the leg by model-based matching method. The human motion analysis is divided into macro motion analysis and micro motion analysis. The former identifies the certain well-defined postures and the latter traces the variation of joint angle parameters. Before tracking, we analyze the vertical projection profile and horizontal projection profile in each view to identify postures. With the identified postures, we can apply the Kalman filter to track the motion of joint angels and generate the BAPs.

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