動作擷取裝置發展已有一段時間，無論是使用有標記光學、無標記光學系統或者是藉由一些感測器建成的系統。一般今日在遊戲主機市場上，有多種消費型無標記動作擷取裝置被廣泛使用。
本研究針對消費型無標記擷取裝置Kinect設計了一個可以進行姿勢比對的工具集，此工具集包含了基本的三類功能：第一類功能為姿勢顯示，程式能夠擷取使用者現在的姿勢，同時正確地顯示在螢幕上，而且可以記錄使用者的姿勢；第二類功能為姿勢比對，我們藉由一些特徵來判斷目前使用者的姿勢和之前錄製的資料的差異；第三類功能為基本的導引功能，程式會告訴使用者哪些部位的姿勢相差過大需要調整。

Motion capture devices have been developed for a long time. Generally they would use marker-based optical systems, markerless optical systems, or sensor-based systems. Nowadays there are many consumer markerless motion capture devices which are deployed widely.
This research proposes a software toolkit which is for comparing postures captured by Kinect, a consumer markerless motion capture device. The toolkit supports three major classes of functions. The first class of function is to capture user’s posture from the device and to show the posture on screen precisely. The second class of functions is for comparing the differences between current user’s posture and recorded data. The third class of function is for basic guidance, i.e., informing the user where needs adjustment.

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