Research Article

Evaluating the Power of GPU Acceleration for IDW Interpolation Algorithm

Figure 5

Speedups in the test case when the number of data points is fixed and the number of prediction points differs. (a) The form in which the power parameter is set to 2. (b) The form in which the power parameter is set to 3.0.
171574.fig.005a
(a) p = 2
171574.fig.005b
(b) p = 3.0