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(a) no smoothing + deterministic di-
rection
(b) smoothing + deterministic direc-
tion
(c) no smoothing + uncertain direction
(d) smoothing + uncertain direction
Fig. 6.
Simulation results
3) No Smoothing + Uncertain Direction
The results in Fig. 6c are generated by drawing pixels in uncertain directions
without smoothing. The effect of applying uncertainty in moving direction is
obvious: Comparing the patterns in Figs. 6a-6c, uncertain directions lead to
high variety and fewer straight lines in the generated patterns. This outcome is
preferable for visual experience.
4) Smoothing + Uncertain Direction
Finally, Fig. 6d shows the patterns generated by drawing a pixel in an uncertain
direction with smoothing at each step. The results reflect the effects of smooth-
ing and uncertainty: The generated patterns have fewer straight lines due to
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