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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Zhuxin Dong Wejinya, U.C. Shengli Zhou Qing Shan Li, W.J. |
| Copyright Year | 2009 |
| Description | Author affiliation: Centre for Micro and Nano Systems, Department of Mechanical & Automation Eng., The Chinese University of Hong Kong, HKSAR, China (Shengli Zhou; Qing Shan; Li, W.J.) || Department of Mechanical Engineering, University of Arkansas, Fayetteville, Arkansas 72701, USA (Zhuxin Dong; Wejinya, U.C.) |
| Abstract | A Micro Inertial Measurement Unit (μIMU) based on Micro Electro Mechanical Systems (MEMS) sensor is applied to sense the motion information produced by human subjects. The μIMU is built with three-dimensional accelerometer. During our experiments, although we write the characters in a plane, all the three-dimensional acceleration information is taken from μIMU in processing data as the third dimension is very helpful to be applied in practical application. In our previous work, the effectiveness of different data processing methods including Fast Fourier Transform (FFT) and Discrete Cosine Transform (DCT) are compared, thus the latter, which is better, is adopted in this paper. Also, Hidden Markov Models (HMM) is introduced and used as a tool to realize hand gesture classification. With this method, new experimental results of hand-written recognition are obtained and stated in this paper. Five Arabic numbers, 0–4, are written forty times by two different persons and we utilize all the data as training samples. Then when another new 29 samples are input to the network for recognition, we obtain a high correct rate at 93%. Ultimately, this technology will provide the feasibility of character recognition and potential for humangesture recognition. |
| Starting Page | 687 |
| Ending Page | 691 |
| File Size | 288476 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424426782 |
| DOI | 10.1109/ROBIO.2009.4913084 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-02-22 |
| Publisher Place | Thailand |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Handwriting recognition Micromechanical devices Calibration Mechanical sensors Discrete cosine transforms Hidden Markov models Character recognition Measurement units Mechanical systems Sensor systems HMM MEMS μIMU Accelerometer DCT |
| Content Type | Text |
| Resource Type | Article |
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