Africa Emotion Detection and Recognition Market Size, Share, Competitive Landscape and Trend Analysis Report, by Software Tool (Facial Expression and Emotion Recognition, Gesture and Posture Recognition, Voice Recognition), by Application (Law Enforcement Surveillance and Monitoring, Entertainment and Consumer Electronics, Marketing and Advertising, Others), by Technology (Pattern Recognition Network, Machine Learning, Natural Language Processing, Others), by End User (Commercial, Entertainment, Retail, Others): Opportunity Analysis and Industry Forecast, 2020-2030