This author has not been identified. Look up 'Ling Shen' in GoogleThis author has not been identified. Look up 'Richang Hong' in GoogleThis author has not been identified. Look up 'Haoran Zhang' in GoogleThis author has not been identified. Look up 'Xinmei Tian' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Meng Wang' in Google