A 1-mW CMOS Temporal-Difference AER Sensor for Wireless Sensor Networks

  title={A 1-mW CMOS Temporal-Difference AER Sensor for Wireless Sensor Networks},
  author={Dongsoo Kim and Zhengming Fu and Joon Hyuk Park and Eugenio Culurciello},
  journal={IEEE Transactions on Electron Devices},
In this paper, we report a 64 times 64 active pixel sensor, designed for low-power image sensing for wireless sensor networks. The proposed image sensor computes the temporal difference between two continuous frames and communicates them in an address-event representation format. The image sensor is capable of computing 30 temporal-difference frames per second (fps) and consumes 1 mW with a 3-V power supply. Light-intensity images are also available as an output at a speed of 60 fps. The image… CONTINUE READING
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