I need an AI system integrated with a CCTV surveillance system to identify specific activities in real-time. The system should send brief notifications to the owner via mobile app based on the identified activities. The AI should be able to identify: - Suspicious behavior - Crowd gatherings - Unattended objects Key requirements: - Real-time activity recognition - Mobile app notifications - No storage or long-term analysis, live monitoring only Ideal skills and experience: - Expertise in AI and machine learning - Experience with CCTV and surveillance technology - Mobile app development skills - Knowledge in real-time data processing and notification systems Please ensure the system is reliable and can accurately differentiate between the specified activities.