· Optical Gesture Recognition System 

· Biological recognition 

· Eye tracking and expression recognition 

· Analysis of photopotential behavior 

· Sensor technology 

· Interaction between optical sensing and virtual reality 

· Optical tracking and positioning system 

· Acousto-optic sensing fusion system 

· Interactive teaching based on VR

· Speech recognition system optimization 

· Speech synthesis 

· Sentiment analysis 

· Language model 

· Machine translation 

· Dialogue system 

· Human-computer interaction 

· Semantic understanding 

· Text analysis

· Internet of things data processing technology 

· Sensor signal processing and fusion 

· Environmental monitoring and smart city applications 

· Biosensor data analysis 

· Time series data prediction and analysis