TABLE I.

Three other weighting factors tested in the experiments.

$${\displaystyle w\left(u\right)=\{\begin{array}{ll}\left|\frac{-u+\Delta }{2\Delta }\right|\hfill & :u\in [-\Delta ,\Delta ]\hfill \\ 1\hfill & :u<-\Delta \hfill \end{array}.}$$ (W1)

$${\displaystyle w\left(u\right)=\{\begin{array}{ll}{\left|\frac{-u+\Delta }{2\Delta }\right|}^2\hfill & :u\in [-\Delta ,\Delta ]\hfill \\ 1\hfill & :u<-\Delta \hfill \end{array}.}$$ (W2)

$${\displaystyle w\left(u\right)=\{\begin{array}{ll}\sqrt{2\left|\frac{-u+\Delta }{2\Delta }\right|-{\left|\frac{-u+\Delta }{2\Delta }\right|}^2}\hfill & :u\in [-\Delta ,\Delta ]\hfill \\ 1\hfill & :u<-\Delta \hfill \end{array}.}$$ (W3)