Research on action recognition based on machine learning Pattern recognition and machine learning Research and application of rockburst prediction method based on machine learning Research of tattoo recognition and detection based on deep learning Fundamentals of pattern recognition and machine learning Pattern recognition and machine learning / pattern recognition and machine learning / 并列题名：Research and application of rockburst prediction method based on machine learning 并列题名：Research of tattoo recognition and detection based on deep learning 并列题名：Fundamentals of pattern recognition and machine learning