FILTER Definition & Meaning

filter4dThis option improves rendering speed (or, in other words, reduces noise and improves antialiasing).It is equivalent to the Tent filter with width 2.0 in the sense that theyTechnical Memorandum No.347 1 Developments in 4D-Var and Kalman Filtering by Mike Fisher and Erik Andersson Abstract We discuss the status and the performance of the reduced rank