This author has not been identified. Look up 'Chuang Qian' in GoogleThis author has not been identified. Look up 'Hui Liu' in GoogleThis author has not been identified. Look up 'Jian Tang' in GoogleThis author has not been identified. Look up 'Yuwei Chen' in GoogleThis author has not been identified. Look up 'Harri Kaartinen' in GoogleThis author has not been identified. Look up 'Antero Kukko' in GoogleThis author has not been identified. Look up 'Lingli Zhu' in GoogleThis author has not been identified. Look up 'Xinlian Liang' in GoogleThis author has not been identified. Look up 'Liang Chen' in GoogleThis author has not been identified. Look up 'Juha Hyyppä' in Google