| IRT | Infrared thermography |
| NDE | Non-Destructive Evaluation |
| NDT | Non-destructive testing |
| CNN | Convolutional neural network |
| AKAZE | Accelerated Keypoint and Zernike Moment Descriptor |
| ORB | Oriented FAST and Rotated BRIEF |
| SIFT | Scale-Invariant Feature Transform |
| RANSAC | Random Sample Consensus |