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Phase maps are generated in many applications in medicine, physics and engineering to quantify a wide variety of different physical properties. In optics, profile-metric and interferometric techniques deliver phase maps to measure topological or mechanical properties such as shape, strain and local deformation of materials. Also, beyond the field of...
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Following the rapid growth of ubiquitous computing, many jobs that were previously manual have now been automated. This automation has increased the amount of time available for leisure; diverse services are now being developed for this leisure time. In addition, the development of small and portable devices like smartphones, diverse...
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ODQ: A Fluid Office Document Query Language
Fluid office documents, as semi-structured data often represented by eXtensible Markup Language (XML) are important parts of big data. These office documents have different formats and their matching Application Programming Interfaces (APIs) depend on developing platform and versions, which causes difficulty in custom development and information retrieval from them. To...
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Efficiency and Privacy Enhancement for a Track and Trace System of RFID-Based Supply Chains
One of the major applications of Radio Frequency IDentification (RFID) technology is in supply chain management as it promises to provide real-time visibility based on the function of track and trace. However, such an RFID-based track and trace system raises new security and privacy challenges due to the restricted resource...
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Steep subthreshold slope TFET, which utilizes the band-to-band tunneling as the conduction mechanism, is one of the most promising candidates for ultra-low voltage/power applications. Recent research paper on TFET-based circuits has shown significant performance improvement and power reduction at low operating voltage. With device scaling, the impacts of random variations...
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Design of an Embedded CMOS Temperature Sensor for Passive RFID Tag Chips
Radio Frequency IDentification (RFID) and Wireless Sensor Networks (WSNs) are the two key technologies of the Internet of Things (IoTs). This paper presents an ultra-low embedded power temperature sensor for passive RFID tags. The temperature sensor converts the temperature variation to a PTAT current, which is then transformed into a...
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In this paper, the authors develop an ultra-low power asynchronous circuit design methodology, called Multi-Threshold Null Convention Logic (MTNCL), also known as Sleep Convention Logic (SCL), which combines Multi-Threshold CMOS (MTCMOS) with Null Convention Logic (NCL) to yield significant power reduction without any of the drawbacks of applying MTCMOS to...
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A Generic Software Development Process Refined from Best Practices for Cloud Computing
Cloud computing has emerged as more than just a piece of technology, it is rather a new IT paradigm. The philosophy behind cloud computing shares its view with green computing where computing environments and resources are not as subjects to own but as subjects of sustained use. However, converting currently...
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A New Indoor Positioning System Architecture Using GPS Signals
The pseudolite system is a good alternative for indoor positioning systems due to its large coverage area and accurate positioning solution. However, for common Global Positioning System (GPS) receivers, the pseudolite system requires some modifications of the user terminals. To solve the problem, this paper proposes new pseudolite-based indoor positioning...
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Provable Fair Document Exchange Protocol with Transaction Privacy for E-Commerce
Transaction privacy has attracted a lot of attention in the e-commerce. This paper proposes an efficient and provable fair document exchange protocol with transaction privacy. Using the proposed protocol, any untrusted parties can fairly exchange documents without the assistance of online, trusted third parties. Moreover, a notary only notarizes each...
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