Pattern Recognition: Transfer Learning Human-Computer Interaction Feature Extraction Neural Network Computer Vision Principles of Pattern Recognition Artificial Neural Network Statistical Pattern Recognition Model Representation and Selection Image Processing and Analysis File Processing and Recognition Computer Vision System Object Detection and Classification Big Data: Fuzzy Control Pattern Recognition Smart Communication Big Data Services Big Data Encryption Big Data Toolkit Intelligent Data Processing Intelligent Data Processing Big Data Analysis Management Big Data Open Platform Big Data Foundation Model Intelligent Database System Scientific Applications of Big Data Big Data Visualization Analysis Big Data Business Model Innovation Tools and Systems of Big Data [The research fields include but are not limited to the above topics]