A survey on FPGA-based sensor systems: towards intelligent and reconfigurable low-power sensors for computer vision, control and signal processing

The current trend in the evolution of sensor systems seeks ways to provide more accuracy and resolution, while at the same time decreasing the size and power consumption. The use of Field Programmable Gate Arrays (FPGAs) provides specific reprogrammable hardware technology that can be properly explo...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2014-03, Vol.14 (4), p.6247-6278
Main Authors: García, Gabriel J, Jara, Carlos A, Pomares, Jorge, Alabdo, Aiman, Poggi, Lucas M, Torres, Fernando
Format: Article
Language:English
Subjects:
Artificial Intelligence
Computers
Control systems
Data Collection
Electric Power Supplies
Electronics
Evolution
Field programmable gate arrays
Field Programmable Gate Arrays (FPGAs)
Flexibility
Hardware
low-power sensor systems
Optical Devices
Power consumption
programmable architectures
rapid prototyping
reconfigurable systems
Review
Sensors
Signal Processing, Computer-Assisted
smart sensors
Tasks
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Summary:The current trend in the evolution of sensor systems seeks ways to provide more accuracy and resolution, while at the same time decreasing the size and power consumption. The use of Field Programmable Gate Arrays (FPGAs) provides specific reprogrammable hardware technology that can be properly exploited to obtain a reconfigurable sensor system. This adaptation capability enables the implementation of complex applications using the partial reconfigurability at a very low-power consumption. For highly demanding tasks FPGAs have been favored due to the high efficiency provided by their architectural flexibility (parallelism, on-chip memory, etc.), reconfigurability and superb performance in the development of algorithms. FPGAs have improved the performance of sensor systems and have triggered a clear increase in their use in new fields of application. A new generation of smarter, reconfigurable and lower power consumption sensors is being developed in Spain based on FPGAs. In this paper, a review of these developments is presented, describing as well the FPGA technologies employed by the different research groups and providing an overview of future research within this field.
ISSN:1424-8220
1424-8220
DOI:10.3390/s140406247