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As the ubiquitous society matures, mobile phones are equipped with agents, which support users in selecting the appropriate course of actions, for example, by giving guidance on where to change trains. However, since human society becomes more and more complex and sophisticated, agents capable of understanding the situation of each user (action plan, preferences, location, etc.) and providing support...
This paper proposes an internal memory optimization method for the spatial scalable inter-layer prediction. The spatial scalable prediction of the H.264 scalable video coding (SVC) has additional inter-layer predictions. The up-scale processing of the inter-layer prediction consists of the Wiener interpolation filter and the deblocking filter. They need internal memories for the pixel buffering. Thus,...
Recently, the ant colony optimization (ACO) meta-heuristic has received more attention as an efficient searching method for feature selection. This paper addresses various solution representation schemes of ACO and their effectiveness with respect to whether they consider correlations between features. A generic code of ACO using on-edge representation is presented. The paper formulates the ??-component...
Due to advances in data collection and increasing dependency on data mining experts, preserving privacy of the data is a major concern when mining the data. Most of the classifier implementations for data mining have the tradeoff between classification accuracy and maintenance of data privacy. Another important aspect in distance-based classifiers is to accurately compute distance (or similarity)...
Highly birefringent elliptical hollow core optical fiber under hydrostatic pressure is analyzed in this work using finite element method. The combined effects of thermal stress generated during fabrication and external applied stress have been considered. Birefringence increases while group velocity dispersion decreases when the fiber is under hydrostatic pressure. Higher birefringence, lower material...
Transmission loss and load flow allocations become important issues under deregulation system. Due to nonlinear nature of power flow, tracing the loss and power flow through the mesh network becomes more complicated. Since the complexity of electricity transmission system, it is not straightforward to determine the contribution of particular generator to a particular line loss and/ or load. This paper...
In chemoembolization, chemotherapy drugs and thrombotic agents are directly injected into the liver tumor through a catheter navigated to the artery that supplies the tumor. In order to help surgeons to train their hand-eye coordination skills to reduce the risk of injecting the thrombotic agents incorrectly and deprive normal tissue of its blood supply, this paper proposes a method for rendering...
The push-type packet compensation protocol using the random slot/code selection method have been proposed and evaluated in the synchronous case. However, it is difficult to synchronize between all users. In this paper, the push-type packet compensation protocol using the random slot/code selection method is evaluated by the computer simulation in the asynchronous case. As the results, the random slot/code...
As security is a major concern in present times, reliable authentication systems are in great demand. A biometric trait like the vascular pattern on the back of the hand of a person is unique and secure. A biometric system working on this principle often fails to authenticate a person either because of the varying hand posture or due to an injury altering the vein pattern. In this paper we propose...
An recurrent fuzzy neural network (RFNN) compensation strategy combined with the backstepping approach for permanent magnet linear synchronous motors (PMLSMs) drive is proposed. Considering the lumped uncertainties with parameter variations and external disturbance for an actual PMLSM drives, a backstepping control law is derived by backstepping design technique. However, the upper bound of the lumped...
The implementation of a verification environment to check the behavior of a device-under-test using SystemC infrastructure is presented in this paper. SystemC is generally adopted in a system-level design methodology because of the capability of architectural model description and hardware/software co-design. The verification system implemented in this paper can explore design space using SystemC...
Commercial lithium-ion batteries are playing important roles as energy storage solutions for portable devices, automotive electronics and renewable energy systems. In order to maximize the performance of lithium-ion batteries, an advanced charging pattern is required. In this paper, a Taguchi-based algorithm is presented. Orthogonal arrays are implemented to determine the optimal charging pattern...
This implementation of sequential logic circuits by using a novel quasi-static single-phase adiabatic dynamic logic (SPADL) has been presented. SPADL uses only a single sinusoidal source as supply-clock. This not only ensures lower energy dissipation, but also simplifies the clock design which would be otherwise more complicated due to the signal synchronization requirement. Simplicity and static...
Modified optimized link state routing (M-OLSR) has been developed for adaptability in wireless mesh networking (WMNs) scenarios and exhibits a much better scalability of traffic load and mobility in sparse and dense network. The protocol uses some refresh timers for periodic updates of link information and for subsequent topology maintenance. In this paper, we investigate the impact of configuring...
This paper discusses an ePortfolio initiative for engineering and science students at Massey University, New Zealand. Eportfolios are electronic version of portfolios that are extensively used in arts and education. We have introduced ePortfolios to our students to impart life long learning skills at university-level. We have chosen open source portfolio (OSP) management tool and customized it to...
This paper describes an efficient design of the interpolation circuit to generate the luma and chroma sub-pixels for H.264 fractional motion estimation. The circuit based on the proposed architecture does not require any input data buffering and processes the horizontal, vertical and diagonal sub-pixel interpolations in parallel. The performance of the circuit is further improved by simultaneously...
Coordinate rotation digital computer (CORDIC) based digital signal processing has become an important tool in consumer, communications, biomedical, and industrial products, providing designers with significant impetus for porting algorithm into architecture. Unfolded implementations of CORDIC algorithm can achieve low latency for rotation and various functions such as division, multiplication, logarithmic...
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