Single Photon Active Event Sensor
A novel category of spatial awareness and gaze tracking
VoxelSensors presents the World’s first Single Photon Active Event Sensor CMOS sensor,
a revolutionary sensor architecture for laser beam scanning based 3D perception.
It localizes active laser points or structures in space.
The output is used to generate a 3D point – a voxel – at a rate of 100 MHz.
Extremely power efficient
<10 photons / 3D point
Ultra-low latency
>10 million fps (equivalent temporal resolution)
All-seeing eye in any light condition
& Immune to concurrent systems
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Technology Benefits in detail
Single Photon Active Event Sensor operates at the boundaries of physics. It produces 3D data with the absolute minimum amount of energy consumed. The single photon sensitive sensors localize the tip of the laser beam with high temporal resolution (up to 100 MVoxel/s) and generate ultra-low latency depth data at a rate 100x faster than any other technology. The perception technology is designed to be ambient light robust and immune to concurrent optical sensing systems.
By serializing the depth acquisition by means of scanning triangulation, the system has low computational complexity since no stereo-matching of complex images is needed.
The produced data is extremely versatile in its use: a serialized, low latency, continuous, scalable and flexible data stream provides a natural trade-off between data density and data aggregation window.
Single Photon Active Event Sensor
3D Laser Beam Perception
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Two or more Single Photon Active Event Sensor sensors used together enable a structured triangulation system whereby the structure is a moving, scanning laser beam that sweeps the scene in a fast-moving pattern.
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Each Single Photon Active Event Sensor sensor sends out the position of the laser beam in an AER (address event representation) (x,y,t), at a very fast rate (up to 100 MHz).
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On the host platform, a simple triangulation algorithm computes precise 3D shape, position, contour and motion generating a new voxel every 10ns.
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