| RTM | Reverse-time migration |
| RTMM | Reverse-time migration with multiple energy |
| LSRTM | Least-squares reverse-time migration |
| CNN | Convolutional neural network |
| RTM | Reverse-time migration |
| RTMM | Reverse-time migration with multiple energy |
| LSRTM | Least-squares reverse-time migration |
| CNN | Convolutional neural network |