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Open Access Publications from the University of California

Cyclops: In Situ Image Sensing and Interpretation in Wireless Sensor Networks

  • Author(s): Rahimi, Mohammed
  • Baer, Rick
  • Iroezi, Obimdinachi
  • Garcia, Juan
  • Warrior, Jay
  • Estrin, D
  • Srivastava, Mani B
  • et al.

Despite their increasing sophistication, wireless sensor networks still do not exploit the most powerful of the human senses: vision. Indeed, vision provides humans with unmatched capabilities to distinguish objects and identify their importance. Our work seeks to provide sensor networks with similar capabilities by exploiting emerging, cheap, low-power and small form factor CMOS imaging technology. In fact, we can go beyond the stereo capabilities of human vision, and exploit the large scale of sensor networks to provide multiple, widely different perspectives of the physical phenomena.

To this end, we have developed a small camera device called Cyclops that bridges the gap between the computationally constrained wireless sensor nodes such as Motes, and CMOS imagers which, while low power and inexpensive, are nevertheless designed to mate with resource-rich hosts. Cyclops enables development of new class of vision applications that span across wireless sensor network. We describe our hardware and software architecture, its temporal and power characteristics and present some representative applications.

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