ENH: Use linear least squares for DisplacementPipeline strain windower
ENH: Use linear least squares for DisplacementPipeline strain windower

thewtex/ITKUltrasound,KitwareMedical/ITKUltrasound,thewtex/ITKUltrasound,KitwareMedical/ITKUltrasound,thewtex/ITKUltrasound,KitwareMedical/ITKUltrasound