The purpose of this study is improvement of real-time human- computer interface in using augmented reality. We propose animating an avatar in real-time with motion capture system and augmented reality. Development of ubiquitous computing is impressive in recent years. Augmented reality is an instance of ubiquitous computing technology. Augmented reality is related to virtual reality, characterized by composition of real and virtual, and display of electronic information as virtual object and giving the real world addition of information.