Seismic trace interpolation is implemented as a 2-D (x,y)spatial prediction, performed separated on each frequency(f)slice. This so-called f-x-y domain trace interpolation method is based on the relation that the linear prediction(LP)operator estimated at a given fre- quency may be used to predict data at a higher fre- quency but a smaller trace spacing. The relationship originally given for the f-x domain trace interpolation is successfully extended to the f-x-y domain. The exten- sion is achieved by masking the data samples selectively from the input frequency slice to design the LP opera- tors.
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