2) k•O EFTA_R1_02036183 EFTA02693104 Reconstructing 3D hand um\ emems from LEG Bradberry et al. N L y[t]— y[t —1]= ay +Ezb„„..s.„ [t-k] (3) aml 4-0 N L Z[i]— Zit — 11= az +ZEb„k„S„[I—k] ROI 4.0 where x[t]— x[t —1], y[1]— y[t —1] , and z[t]— z[t —1] are the horizontal, vertical, and depth veloci