[Xu, Feng; Peng, Fan; Wen, Baohua; Yang, Qingxin] Hunan Univ, Sch Architecture & Planning, Changsha 410082, Hunan, Peoples R China.
[Xu, Feng; Wen, Baohua] Hunan Key Lab Sci Urban & Rural Human Settlements, Changsha 410082, Hunan, Peoples R China.
[Bai, Beifang; Lu, Ting] Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Hunan, Peoples R China.
[Wu, Shihai] Changsha Univ Sci & Technol, Sch Architecture, Changsha 410004, Hunan, Peoples R China.