19,609 research outputs found
Remote Cell Growth Sensing Using Self-Sustained Bio-Oscillations
A smart sensor system for cell culture real-time supervision is proposed, allowing for a significant reduction in human effort applied to this type of assay. The approach converts the cell culture under test into a suitable “biological” oscillator. The system enables the remote acquisition and management of the “biological” oscillation signals through a secure web interface. The indirectly observed biological properties are cell growth and cell number, which are straightforwardly related to the measured bio-oscillation signal parameters, i.e., frequency and amplitude. The sensor extracts the information without complex circuitry for acquisition and measurement, taking advantage of the microcontroller features. A discrete prototype for sensing and remote monitoring is presented along with the experimental results obtained from the performed measurements, achieving the expected performance and outcomes
SeeReader: An (Almost) Eyes-Free Mobile Rich Document Viewer
Reading documents on mobile devices is challenging. Not only are screens small and difficult to read, but also navigating an environment using limited visual attention can be difficult and potentially dangerous. Reading content aloud using text-to-speech (TTS) processing can mitigate these problems, but only for content that does not include rich visual information. In this paper, we introduce a new technique, SeeReader, that combines TTS with automatic content recognition and document presentation control that allows users to listen to documents while also being notified of important visual content. Together, these services allow users to read rich documents on mobile devices while maintaining awareness of their visual environment
Introducing a new technology to enhance community sustainability: An investigation of the possibilities of sun spots
The introduction of the Sun SPOT, Small Programmable Object Technology, developed by Sun Microsystems has been depicted as providing a revolutionary change in cyber physical interaction. Based on Sun Java Micro Edition (ME), this sensor technology has the potential to be used across a number of discipline areas to interface with systems, the environment and biological domains. This paper will outline the potential of Sun SPOTs to enhance community sustainability. An action based research project was carried out to investigate the potential uses of these technologies and develop a prototype system as a proof of concept. The research will compare Sun SPOTs with similar technologies, provide an assessment of the technology, and propose a number of possible implementations of the technology to enhance community sustainability
PoliSave: Efficient Power Management of Campus PCs
In this paper we study the power consumption of networked devices in a large Campus network, focusing mainly on PC usage. We first define a methodology to monitor host power state, which we then apply to our Campus network. Results show that typically people refrain from turning off their PC during non-working hours so that more than 1500 PCs are always powered on, causing a large energy waste. We then design PoliSave, a simple web-based architecture which allows users to schedule power state of their PCs, avoiding the frustration of wasting long power-down and bootstrap times of today PCs. By exploiting already available technologies like Wake-On-Lan, Hibernation and Web services, PoliSave reduces the average PC uptime from 15.9h to 9.7h during working days, generating an energy saving of 0.6kW/h per PC per day, or a saving of more than 250,000 Euros per year considering our Campus Universit
Collaborative development of remote electronics laboratories in the ELVIS ilab
Remote laboratories represent a significant value to engineering curricula in a variety of cases.
Whether it is a complement to a hands-on experience or a substitute when a traditional lab is not
feasible, remote laboratories can be a valuable educational resource. Since 1998, the MIT iLab
Project has worked to increase the quality and availability of remote laboratories. Using the iLab
Shared Architecture, developers of new labs can leverage a set of generic support functions and
then share those labs easily and with minimal administrative cost. More recently, the iLab
Project, in partnership with Obafemi Awolowo University in Nigeria, Makerere University in
Uganda and the University of Dar-es-Salaam in Tanzania and in coordination with the Maricopa
Advanced Technology Education Center (MATEC), has focused on building iLabs around the
National Instruments Educational Laboratory Virtual Instrumentation Suite (ELVIS) platform.
The ELVIS is a low-cost, small-footprint unit that contains most of the common test instruments
found in a typical electrical engineering lab. By coupling the ELVIS with iLabs, a variety of
remote electronics laboratories can be built and shared around the world. Using this common
hardware/software platform, participants in the iLab Project at different levels of the educational
spectrum have developed experiments that meet their individual curricular needs and are able to
host them for use by other peer institutions. Not only does this increase the variety of ELVISbased
iLabs, but it also spurs the creation of teams that can then build other, more diverse iLabs
and substantively participate in project-wide collaborative development efforts. Through such
coordinated efforts, iLabs can provide rich practical experiences for studentsMaricopa County Community College District. Maricopa Advanced Technology Education CenterCarnegie Corporation of New YorkMicrosoft CorporationNational Science Foundation (U.S.) (award 0702735)Singapore-MIT Alliance for Research and Technology Cente
Developing front-end Web 2.0 technologies to access services, content and things in the future Internet
The future Internet is expected to be composed of a mesh of interoperable web services accessible from all over the web. This approach has not yet caught on since global user?service interaction is still an open issue. This paper states one vision with regard to next-generation front-end Web 2.0 technology that will enable integrated access to services, contents and things in the future Internet. In this paper, we illustrate how front-ends that wrap traditional services and resources can be tailored to the needs of end users, converting end users into prosumers (creators and consumers of service-based applications). To do this, we propose an architecture that end users without programming skills can use to create front-ends, consult catalogues of resources tailored to their needs, easily integrate and coordinate front-ends and create composite applications to orchestrate services in their back-end. The paper includes a case study illustrating that current user-centred web development tools are at a very early stage of evolution. We provide statistical data on how the proposed architecture improves these tools. This paper is based on research conducted by the Service Front End (SFE) Open Alliance initiative
Systems And Methods For Detecting Call Provenance From Call Audio
Various embodiments of the invention are detection systems and methods for detecting call provenance based on call audio. An exemplary embodiment of the detection system can comprise a characterization unit, a labeling unit, and an identification unit. The characterization unit can extract various characteristics of networks through which a call traversed, based on call audio. The labeling unit can be trained on prior call data and can identify one or more codecs used to encode the call, based on the call audio. The identification unit can utilize the characteristics of traversed networks and the identified codecs, and based on this information, the identification unit can provide a provenance fingerprint for the call. Based on the call provenance fingerprint, the detection system can identify, verify, or provide forensic information about a call audio source.Georgia Tech Research Corporatio
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