Address-Event Representation
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Address-Event Representation (AER) is an abstract data format used to describe discrete events using coordinates in space-time. AER is useful when working with sparse temporal data where most entries are zeros and can be ignored, and is closely related to coordinate-based representations of tensors and matrices. It is the default standard for neuromorphic sensors, such as event cameras.
Example
In AER, an event is represented by its address as a tuple, such as:
Event cameras that captures the positive or negative electrical polarity of photons in a 2-dimensional sensor array, uses the following AER representation
Background
The representation was initially designed by Misha Mahowald and Carver Mead to ``provide high-bandwidth communication among large arrays of neurons.[1]
See also
References
- ^ Mahowald, M. (1994). An Analog VLSI System for Stereoscopic Vision. Springer US. doi:10.1007/978-1-4615-2724-4. ISBN 978-1-4613-6174-9.
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