| Paper: | idn469 |
| Name: | J. Zhao |
| Company: | Jilin University of Technology School of Information Science & Engr. |
| Address: | 142 Renmin Street 130025 ChangChun |
| Country: | P. R. China |
| Phone: | 0431 5688 7818 |
| Fax: | 0431 5680523 |
| Email: | myk@jut.edu.cn |
| NDT.net | |15th WCNDT CD-ROM| |