Comparison of the spike camera sensor and the event camera sensor
| Feature | Spike camera | Event camera |
|---|---|---|
| Trigger | Accumulation of light intensity reaching a threshold | Change in brightness (temporal contrast) exceeding a threshold |
| Output | A stream of binary spikes | A stream of “events,” each containing the pixel coordinates, a timestamp and the polarity of the brightness change (positive or negative) |
| Information coded | Absolute brightness (encoded in the spike frequency) | Change in brightness |
| Data representation | A sequence of spikes over time | A sequence of asynchronous events |
| Feature | Spike camera | Event camera |
|---|---|---|
| Trigger | Accumulation of light intensity reaching a threshold | Change in brightness (temporal contrast) exceeding a threshold |
| Output | A stream of binary spikes | A stream of “events,” each containing the pixel coordinates, a timestamp and the polarity of the brightness change (positive or negative) |
| Information coded | Absolute brightness (encoded in the spike frequency) | Change in brightness |
| Data representation | A sequence of spikes over time | A sequence of asynchronous events |
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