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Visual information represents the richest source of information describing our surrounding environment. Standard imagers continuously deliver sequences of images, although only a small amount of information is used to perform any kind of visual task. This aspect turns into large data redundancy, with a consequent waste of energy for data acquisition, communication and processing. Often, it is not required to get accurate and high resolved images to be able to take a decision, which mostly deals with people monitoring in domestic rooms or moving around a dangerous or an off-limit zone. Infrastructures represent a big obstacle in the diffusion of such systems, which need to be placed all around the area to be monitored. This makes battery-operated systems an attractive solution, reducing both installation and maintenance costs. Present day wireless video systems consume a factor of about 100 too much power to enable long-term battery powered operation.
- Development of ultra-low power vision sensor architectures with advanced computational capabilities aimed to extract useful image features, cutting down the processing resources required by the high-level algorithm.
- Exploiting vision technology in distributed energy-autonomous sensory systems for environmental monitoring and sensor networks applications.