Two years ago, the computer vision community was abuzz with anticipation for a new type of sensor that promised a revolution in speed and efficiency.

These new sensors are called event cameras, and also know as dynamic vision sensors (DVS) or neuromorphic cameras.
Yet two years later, many of us are now wondering why event cameras seem to have joined Spinal Tap in the “Where Are They Now?” file.

Event Cameras: What Are (Were) They?

The idea behind event cameras is compelling: a camera that works very much like the human eye. In doing so, it can react quicker, under more circumstances, while transmitting much less data. But before we can understand how an event camera works, let’s first review traditional cameras.

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