(infrastructure) A road design that filters out certain kinds of vehicles, allowing only others (chiefly bicycles and pedestrians) to pass.

plural of Savitzky-Golay filter

A digital filter that can be applied to a set of digital data points for the purpose of smoothing the data.

(signal processing) An algorithm for data estimation and smoothing, closely related to Kalman filters, based on an approximation model with two internal states, the first state obtained by integrating the value of the second state over time.

plural of alpha-beta filter

plural of Mitchell-Netravali filter

(computer graphics) Any of a group of bicubic reconstruction filters often used for antialiasing or for scaling raster graphics.

plural of filtergram

(astronomy) A photograph of the sun at a particular frequency range (by means of a variable filter).

(archaic) second-person singular simple present form of filter