This author has not been identified. Look up 'Jingkuan Song' in GoogleThis author has not been identified. Look up 'Hanwang Zhang' in GoogleThis author has not been identified. Look up 'XiangPeng Li' in GoogleThis author has not been identified. Look up 'Lianli Gao' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Meng Wang' in GoogleThis author has not been identified. Look up 'Richang Hong' in Google