Patent ID: 7689057

Claim:
A method of creating a data set for use in creating at least one computer graphics image, the method comprising: receiving an unfiltered data set, wherein the unfiltered data set has a first frequency spectrum, wherein the first frequency spectrum includes a first maximum frequency; using a processor, transforming the unfiltered data set into a filtered data set, wherein the filtered data set has a second frequency spectrum, wherein the second frequency spectrum includes a second maximum frequency, wherein the second maximum frequency is less than the first maximum frequency; using a processor, processing the filtered data set and the unfiltered data set to define a first bandlimited data set having a frequency spectrum substantially between the first maximum frequency and the second maximum frequency; and using a processor, combining the first bandlimited data set with a second bandlimited data set having a frequency spectrum substantially between a third frequency and a fourth frequency to form the data set.