The radial trace transform offers an attractive vehicle to remove ground-roll and coherent linear noise in prestack gathers. A common technique employed is to model the noise by applying a low-pass filter in the radial domain and then subtract the inverse-transformed “modeled noise” from the original input gather. Interpolation is a key component of the radial transform, and in most practical cases it can severely limit its performance. In other words, if the sampling in the radial domain is not dense enough, then the application of the transform will result in missing data. Moreover, dense sampling along with a constant-velocity...
Research Article|August 01, 2004
Linear noise attenuation using local radial trace median filtering
The Leading Edge (2004) 23 (8): 728-729.