This author has not been identified. Look up 'Jin-Chun Li' in GoogleThis author has not been identified. Look up 'Ping Qian' in GoogleThis author has not been identified. Look up 'Zhen-Feng Zhang' in GoogleThis author has not been identified. Look up 'Ying Liu' in GoogleThis author has not been identified. Look up 'Xiao-Jian Yuan' in GoogleThis author has not been identified. Look up 'Jiang Shen' in GoogleThis author has not been identified. Look up 'Nan-Xian Chen' in Google