A low cost two dimensional pyroelectric array technology has been developed, together with advanced signal processing algorithms. This enables the availability of intelligent passive infrared detector systems for surveillance, counting, and related applications. The technology has also made possible for the first time a truly affordable low‐resolution thermal imager for condition monitoring, plant maintenance, and process control.
Porter, S., Mansi, M., Sumpter, N. and Galloway, L. (2001), "Low cost smart sensors using infrared detector arrays", Sensor Review, Vol. 21 No. 4, pp. 283-287. https://doi.org/10.1108/02602280110406927Download as .RIS
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