One option removes footprint by trace-mixing and filtering.
Example:
Option Two
AKxKyoption detects and removes notches in KxKy domain. TheKxKyoption is the preferred option. This works on time slices (time, line,cdp) and transforms each slice to KxKy. Notches, local deviations, are automaticallydetected,and filtered. These filters can also be modified by the user.