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Sensing and imaging at millimeter-wave and THz frequencies is promising for a wide range of applications, including security, industrial control, healthcare, and scientific metrology. The development of high-sensitivity, low noise detectors based on interband tunneling in III-V heterostructure devices, and their integration into subsystems is promising for realizing the potential of these applications...
Lead selenide (PbSe) quantum-dot (QD) tandem and corresponding single junction solar cell structures have been fabricated and compared. Transparent organics are used for electron blocking/hole transport and zinc oxide (ZnO) is used for hole blocking/electron transport layer functions. Device light current-voltage behavior shows that recombination at the tandem inter-solar cell region is required to...
Roof detection has been studied for several decades, one of the big challenge is its structure and appearance diversity. In this paper, we present a grammatical framework to account for these diversities and a multiple way compositional algorithm to extract rooftops from aerial images. We represent rooftops by a context sensitive graph grammar consisting of 5 production rules and 3 types of commonly...
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