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Task duplication based scheduling algorithms generate shorter schedules without sacrificing efficiency but leave the computing resources over consumed due to the heavily duplications. In this paper, we try to optimize the duplications after generating a schedule without affecting the overall schedule length (makespan). Here, we suggested two workflow scheduling algorithms with economical duplication...
An approach involving a new ant colony optimization (ACO) and fuzzy derivative is presented to tackle the image edge detection problem. Ant colony optimization (ACO) is inspired from the foraging behavior of some ant species which deposit pheromone on their way. Ant colonies and more generally social insects act as a distributed system presenting a highly structured social organization. They communicate...
In this paper, we propose a new throughput analysis for IEEE 802.11 distributed coordination function (DCF) considering the real channel conditions and capture effects under arbitrary load conditions employing basic access method. The aggregate throughput of a practical wireless local area (WLAN) strongly depends on the channel conditions. In real radio environment, the received signal power at the...
Signature can be seen as an individual characteristic of a person which if modeled with precision can be used for his/her validation. Automatic signature verification is a technique that saves time and money. The paper is focused on skilled forgery detection. In addition, it also lays emphasis on the extraction of the critical regions which are more prone to mistakes. It follows a graph matching approach,...
In this work a simplified and accurate mathematical formula is derived to predict the reduced dimension of the microstrip circuit by using applicable etching geometry on plane of microstrip circuit such as DGS/DMS that will affect the resonance frequency of microstrip circuit in desired direction due to increment of slow wave effect. Here we developed proportional formula of defect which is verified...
Based on a very simple model, a descrete-time integrating regulator can be designed for a linear time-invariant system. The linear system is not restricted to be scalar with a monotone step respose, as required in previously published literature. The number of tuning parameters in the controller depends on the number of steps in the staircase model which can be properly chosen so that the closed-loop...
A method of determining a cascade compensator in a nonlinear feedback system to provide BIBO stability is discussed. The procedure is based on the Popov locus.
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