Deep learning Defects Image quality Learning algorithms Learning systems Nondestructive examination Semantic Segmentation Semantics Automated defect recognition Automatic defect identification and segmentation Automation Contrast-to-noise ratio Convolution Convolutional neural network Convolutional neural networks Deep-learning non-destructive evaluation Defect identification Defect recognition Detection and identifications Digital X-ray radiography E-learning Image quality parameters Infrared image processing Non destructive evaluation Non destructive testing Performance Pulsed thermography Quality management Radiography images Region-based