• Ultrasonics and guided waves
• Ground Penetrating Radar (GPR)
• Impact-Echo
• Infrared Thermography
• NDE-sensors, instrumentation, software and systems
• Digital Transformation and Building Information Modeling (BIM)
• Industry 4.0
• Internet of Things (IoT)
• Artificial Intelligence / Machine Learning
• Robotics and automation in NDE / Unmanned Aerial Systems (UAS) / Drone inspections
• NDE economics and efficiency
• Structural Health Monitoring (SHM) 
• Signal and image processing
• Modeling and simulation
• Concrete, steel and other materials relevant for civil structures
• Ultrasonics in steel inspection - Phased-Array, TFM, FMC, etc.
• Damage detection and quantification / material characterization / corrosion monitoring
• Structural integrity assessment, retrofitting, ageing management and lifetime extension
• Quality control and quality assurance
• Training, education and standardization
• Reliability and performance evaluation
• Nuclear Power Plant Inspection
• Innovation Special
• Others...