This author has not been identified. Look up 'Xinzhong Li' in GoogleThis author has not been identified. Look up 'Yongliang Xiong' in GoogleThis author has not been identified. Look up 'Weiwei Chen' in GoogleThis author has not been identified. Look up 'Shaoguang Xu' in GoogleThis author has not been identified. Look up 'Rui Zhang' in Google