This author has not been identified. Look up 'Risheng Lv' in GoogleThis author has not been identified. Look up 'Qiang Fu' in GoogleThis author has not been identified. Look up 'Weiping Chen' in GoogleThis author has not been identified. Look up 'Liang Yin' in GoogleThis author has not been identified. Look up 'Xiaowei Liu' in GoogleThis author has not been identified. Look up 'Yufeng Zhang' in Google