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Keeping vehicle safety distance through early warning for road vehicles is very important and it could greatly reduce the occurrence of road traffic accidents. This article introduce a vehicle distance detection method based on monocular vision. Nowadays, due to the progress of deep neural network, object detection technology has reached a higher level, and its detection accuracy (recognition rate,...
Water-soluble luminescent thiol-capped CdTe QDs and nanorods have been synthesized and used to investigate the effect on their photoluminescence (PL) responses to divalent metal ions, such as zinc, calcium, magnesium, manganese, nickel, and cobalt ions. The change trends of PL were nearly similar for both CdTe QDs and nanorods. The zinc ions enhanced the photoluminescence, while the manganese, nickel,...
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