Ankle Sample Data Filter

[kaitohl]

Based on the ankle sample data @amymmorton showed me, the images may be over-filtered. I've attached the text for the .vie file our lab uses for ankle data.

RadFilters_begin SobelFilter_begin Scale 0.5 Blend 2.1 SobelFilter_end ContrastFilter_begin Alpha 3.9 Beta 2.7 ContrastFilter_end RadFilters_end DrrRenderer_begin SampleDistance 0.62 RayIntensity 0.49 Cutoff 0 DrrRenderer_end DrrFilters_begin SobelFilter_begin Scale 0.53 Blend 2 SobelFilter_end ContrastFilter_begin Alpha 0.5 Beta 1 ContrastFilter_end DrrFilters_end

[NicerNewerCar]

The filter will be updated when I add the ground truth data for #32.