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Retinal Prosthesis Dissertation - Student Home Pages

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For the three colour planes; R, G, B at maximum throughput (North Sky White)<br />

there will be 150 events or spikes per packet.<br />

E<br />

packet<br />

f<br />

event<br />

(5)<br />

T<br />

packet<br />

Where f event is event frequency<br />

E packet is number of events per packet<br />

T packet is cycle time for message packet<br />

f event<br />

150<br />

<br />

0 . 04<br />

3750 events per second<br />

To accommodate the virtual wiring of our test scene this maximum event frequency<br />

per packet must increase by the number of pixels within the image:<br />

1024*<br />

3750 3840000events/second<br />

3.<br />

84 Mevents/second<br />

3.8 Behavioural test image to be used<br />

The test image initial sizing is 32 * 32 pixels consisting of 64 blocks of colour:<br />

71 of 200

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