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Category Archive: NS2 PROJECT TITLES 2014

MatEx: Efficient transient and peak temperature computation for compact thermal models

In many core systems, run-time scheduling decisions, such as task migration, core activations/deactivations, voltage/frequency scaling, etc., are typically used to optimize the resource usages. Such run-time decisions change the power consumption, which can in turn result in transient temperatures much higher than any steady-state scenarios. Therefore, to be thermally safe, it is important to evaluate […]

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Wavelength-Multiplexed Polymer LEDs: Towards 55 Mb/s Organic Visible Light Communications

We present recent progress on visible light communication systems using polymer light-emitting diodes as the transmitters and a commercial silicon photodetector as the receiver. In this paper, we use transmitters at red, green, and blue wavelengths to investigate the maximum on-off keying link performance of each device type as the first steps toward a wavelength-division […]

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Accurate Connection Strength Estimation Based on Variational Bayes for Detecting Synaptic Plasticity

Connection strength estimation is widely used in detecting the topology of neuronal networks and assessing their synaptic plasticity. A recently proposed model-based method using the leaky integrate-and-fire model neuron estimates membrane potential from spike trains by calculating the maximum a posteriori (MAP) path. We further enhance the MAP path method using variational Bayes and dynamic causal modeling. […]

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Service elicitation of non-functional requirements: An approach using activity theory

The elicitation of non-functional requirements (generic qualities of services) in the design and maintenance of services is an issue that has to be analysed under the perspective of the business (e.g. marketing, production, etc.) and information systems (e.g. requirements engineering, networks, etc.). In general, the solutions approach the final analysis service requirements at the expense of […]

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Energy-Efficient Real-Time Human Mobility State Classification Using Smartphones

The key benefits of using the smartphone accelerometer for human mobility analysis, with or without location determination based upon GPS, Wi-Fi or GSM is that it is energy-efficient, provides real-time contextual information and has high availability. Using measurements from an accelerometer for human mobility analysis presents its own challenges as we all carry our smartphones […]

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Tutorial T2: Validation and Debug of Security and Trust Issues in Embedded Systems

Summary form only given. Reusable hardware intellectual property (IP) based System-on-Chip (SoC) design has emerged as a pervasive design practice in the industry to dramatically reduce design/verification cost while meeting aggressive time-to-market constraints. However, growing reliance on reusable pre-verified hardware IPs and wide array of CAD tools during SoC design – often gathered from untrusted […]

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A Linear General Type-2 Fuzzy Logic Based Computing With Words Approach for Realising an Ambient Intelligent Platform for Cooking Recipes Recommendation

This paper addresses the need to enhance transparency in Ambient Intelligent Environments by developing more natural ways of interaction, which allow the users to communicate easily with the hidden networked devices rather than embedding obtrusive tablets and computing equipment throughout their surroundings. Ambient Intelligence vision aims to realize digital environments that adapt to users in a responsive, […]

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An Edge-Set Representation Based on a Spanning Tree for Searching Cut Space

The encoding or representation scheme in evolutionary algorithms is very important because it can greatly affect their performance. Most previous evolutionary algorithms for solving graph problems have traditionally used a vertex-based encoding in which each gene corresponds to a vertex. In this paper, addressing the well-known maximum cut problem, we introduce an edge-set encoding based […]

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HFirst: A Temporal Approach to Object Recognition

This paper introduces a spiking hierarchical model for object recognition which utilizes the precise timing information inherently present in the output of biologically inspired asynchronous Address Event Representation (AER) vision sensors. The asynchronous nature of these systems frees computation and communication from the rigid predetermined timing enforced by system clocks in conventional systems. Freedom from […]

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CDVS feature selection on embedded systems

Mobile image retrieval and pairwise matching applications pose a unique set of challenges. As communicating large amount of data could take tens of seconds over a slow wireless link, MPEG defined the CDVS standard to transfer over the network only the data essential to the matching, and not the entire image. However, the extraction of salient image […]

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