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Weightted motion filter. All the filters above used five prereference tracks (from −0.5 to −0.1 ms) weighted 1 and seven postreference tracks (from 0.4 to 1.0 ms after the ARFI push weighted as stated on the legend). The seven postreference tracks on the filter with varying weights were weighted 0.001, 0.005, 0.01, 0.05, 0.1, 0.5 and 1, respectively.
