Table 3. Natural scene datasets for naturalistic motion simulations.

	Image dataset (${\displaystyle {\text{FWHM}}_{\text{local-mean}}/{\tau }_{\text{local-mean}}}$)	Velocity distribution (${\displaystyle {\sigma }_{\text{vel}}}$, or discrete values, °/s)	Number of trials	Motion Detector
Figure 1C green	Natural scene (25°)	Discrete [0:10:1000]	1000 each velocity	HRC
Figure 1C purple	Synthetic-higher order structure eliminated	Discrete [0:10:1000]	1000 each velocity	HRC
Figure 3	Natural scene (25°)	Gaussian (114)	10000	Fly
Figure 3—figure supplement 1	Natural scene (25°)	Gaussian (32, 64, 128, 256, 512)	8000 each velocity distribution	Fly
Figure 3—figure supplement 2DE	Natural scene (10° ~ 75°)	Gaussian (114)	8000 each ${\displaystyle {\text{FWHM}}_{\text{local-mean}}}$	Fly
Figure 3—figure supplement 2FG	Natural scene (10 ~ 500 ms)	Gaussian (114)	8000 each ${\displaystyle {\tau }_{\text{local-mean}}}$	Fly
Figure 5CDE green, Figure 5—figure supplement 3A	Synthetic-MED-1	Gaussian (114)	8000	Fly
Figure 5CDE brown Figure 5—figure supplement 3B	Synthetic-MED-2	Gaussian (114)	8000	Fly
Figure 5FGH Figure 5—figure supplement 3CD	Synthetic-MED 5–14	Gaussian (114)	8000 each dataset	Fly
Figure 5—figure supplement 3G blue	Synthetic-MED-13	Gaussian (114)	8000	Fly
Figure 5—figure supplement 3G red	Synthetic-MED-14	Gaussian (114)	8000	Fly