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WSN based intelligent cold chain management
This paper presents a cold chain monitoring system which is implemented by using ubiquitous computing technologies, Radio Frequency Identification (RFID) & Wireless Sensor Network (WSN). In this paper, we discuss how cold supply chain works and how we can monitor and control cold supply chain by using wireless tracking and sensing technologies. We propose a prototype design which will provide a well controlled and transparent cold chain system, which could help the users to manage their productsâ environmental data in real time during the life cycle. Moreover, we highlight how the availability of product trace data in combination with historical condition-monitoring data can facilitate decision-making processes enhancing supply chainâs performance. Finally we discuss the integration works of these two technologies together in the cold supply chain management system. Hardware and software platform of WSN used in this system are also described in this paper
Reverse-play technique on compressed video across GOP boundaries
Centre for Signal Processing, Department of Electronic and Information EngineeringRefereed conference paper2007-2008 > Academic research: refereed > Refereed conference paperVersion of RecordPublishe
Networked collective action in the 2014 Hong Kong Occupy Movement: analysing a Facebook sharing network
Using a âbig dataâ approach, this study aims to demonstrate and analyse the way in which the formation of an online network, i.e. posts sharing between Facebook pages, help construct a countervailing power during the course of the Hong Kong Occupy Movement (or called âUmbrella Movementâ), which protested against the electoral reform framework imposed by the Standing Committee, Chinaâs National Peopleâs Congress in relation to the implementation of universal suffrage for the 2017 Hong Kong Chief Executive election. The result indicates an empowerment of emerging civil society in the venue of policy debate, whereas there was a disintegration between institutional political forces and the civil society. This may not be conductive to an institutionalized policy formation involving a variety of stakeholders amid the controversy.postprin
A Study of the Impact of Thirteen Celebrity Suicides on Subsequent Suicide Rates in South Korea from 2005 to 2009
published_or_final_versio
Macroblock-based reverse play algorithm for MPEG video streaming
2003-2004 > Academic research: refereed > Refereed conference paperpublished_fina
Reverse-play algorithm for MPEG video streaming
2004-2005 > Academic research: refereed > Refereed conference paperVersion of RecordPublishe
Exploring the relationship between cyberbullying and unnatural child death: an ecological study of twenty-four European countries
Background Internet risk has been recognized as a child safety problem, but evidence is insufficient to conclude that a child's online risk exposure can lead to physical harm. This study aims to explore the ecological relationship between Internet risk exposure and unnatural child death. Methods Multiple secondary data sources were used: online exposure to content about self-harm, cyberbullying, and Internet addiction data (EU Kids Online survey, 2010); and mortality data (European Detailed Mortality Database, 2010 or the latest year if not available) of 24 European countries. Correlations were found using quasi-Poisson regression. Countries' prevalence rates of psychiatric problems (European Social Survey Round 3 and 6, 2006 and 2012) were used to test for possible spuriousness. Results This study finds that countries with higher rates of cyberbullying were more likely to have a higher incidence of unnatural child death. A 1 percent rise in the prevalence of cyberbullying translated into a 28% increase in risk of unnatural child death (95% CI: 2%-57%). No evidence was found to substantiate confounding effect of the national prevalence of depressive symptoms or traditional bullying. Conclusions Explanations are given for the findings. We conclude that intervention programs designed to serve as precautionary measures for risk minimisation should be considered.published_or_final_versio
Efficient reverse-play algorithm for MPEG video streaming with VCR functionality
Centre for Multimedia Signal Processing, Department of Electronic and Information EngineeringRefereed conference paper2003-2004 > Academic research: refereed > Refereed conference paperVersion of RecordPublishe
Efficient motion estimation in H.264 reverse transcoding
Centre for Multimedia Signal Processing, Department of Electronic and Information EngineeringRefereed conference paper2007-2008 > Academic research: refereed > Refereed conference paperVersion of RecordPublishe
Efficient reverse-play algorithms for MPEG video with VCR support
Centre for Multimedia Signal Processing, Department of Electronic and Information Engineering2005-2006 > Academic research: refereed > Publication in refereed journalVersion of RecordPublishe
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