Complex sentence: In Figure 3, anti-aliasing was used to blend the boundary pixels of a sample graphic; this reduced the aesthetically jarring effect of the sharp, step-like boundaries that appear in the aliased graphic at the left.
Split into simpler sentences: In Figure 3, anti-aliasing was used to blend the boundary pixels of a sample graphic. This reduced the aesthetically jarring effect of the sharp, step-like boundaries that appear in the aliased graphic at the left.