[Tseng, Fan-Hsun] Natl Taiwan Normal Univ, Dept Technol Applicat & Human Resource Dev, Taipei, Taiwan.
[Chien, Wei-Che; Lai, Chin Feng] Natl Cheng Kung Univ, Dept Engn Sci, Tainan, Taiwan.
[Chao, Han-Chieh; Wang, Sheng-Jie] Natl Ilan Univ, Dept Comp Sci & Informat Engn, Yilan, Taiwan.
[Chao, Han-Chieh] Natl Dong Hwa Univ, Dept Elect Engn, Hualien, Taiwan.
[Chao, Han-Chieh] Wuhan Polytech Univ, Coll Math & Comp Sci, Wuhan, Hubei, Peoples R China.