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Soft mobile microrobots whose deformation can be directly controlled by an external field can adapt to move in different environments. This is the case for the light-driven microrobots based on liquid-crystal elastomers (LCEs). Here we show that the soft microrobots can move through an agarose hydrogel by means of light-controlled travelling-wave motions. This is achieved by exploiting the inherent...
With pertinence to the identity authentication and payment security in mobile payment, a mobile payment protocol based on dynamic mobile phone token is designed in this paper. The protocol is applicable in the general payment scenarios and realizes the identity authentication of the mobile terminal through fingerprint identification technique, and it also ensures the security of mobile payments using...
With the development of science and technology and the improvement of living standards, people pay more and more attention to security issues, the mobile video surveillance has become an important way of monitoring based on 4G network construction, the popularity of the new generation mobile intelligent terminal and the development of video coding and decoding technology. This paper mainly introduces...
with the development of science and technology, and the increase of people's living standard, people pay more and more attention to safety problems. The traditional fixed video surveillance can not satisfied with people's kinds of new demand. The 3G network construction are mature and a new generation of smart phones has made the mobile video surveillance based on cell phone as a very important way...
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