Title :
Motion Choreographing Based on Kinetic Energy with Accelerometer Signal
Author :
Liu, Yubo ; Liang, Xiaohui ; He, Zhiying
Author_Institution :
State Key Lab. of Virtual Reality Technol., Beihang Univ., Beijing, China
Abstract :
Motion choreographing is extremely important nowadays. To provide an intuitive control interface and improve the end-user´s experience, low-cost accelerometer, which serving as creating and choreographing character animation based on the performers´ movements, attracts more and more researchers. This paper proposes a new feature vector using kinetic energy, which can be calculated from acceleration directly. Our method gives the feature vector more accurate physical significance and improves the recognition rate. Furthermore, post-processing for signal refinement can also benefit from it. We build a prototype of motion recognition system to verify our method. Experiments show that the proposed method leads to a higher recognition rate comparing to typical methods on a database of 48 pre-trained signal data with 8 different categories.
Keywords :
accelerometers; computer animation; image motion analysis; object recognition; signal processing; user interfaces; accelerometer signal; character animation; feature vector; intuitive control interface; kinetic energy; low-cost accelerometer; motion choreographing; motion recognition system; recognition rate; signal refinement; Acceleration; Accelerometers; Animation; Hidden Markov models; Kinetic energy; Prototypes; Timing;
Conference_Titel :
Multimedia Technology (ICMT), 2010 International Conference on
Conference_Location :
Ningbo
Print_ISBN :
978-1-4244-7871-2
DOI :
10.1109/ICMULT.2010.5630832