Figures

Figure 1: Two stages of refinement - splitting and averaging.

Figure 2: Averaging masks: a) surface mask (n=7), b) 4-point curve mask, c) 3-point curve mask.

Figure 3: Projection: a) target triangle localization, b) progressive refinement of target triangle.

Figure 4: Hemisphere - time vs number of elements (EP).

Figure 5: Hemisphere - time vs number of elements (AP).

Figure 6: Concrete dam.