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In this paper, we present a multiclass data classifier, denoted by optimal conformal transformation kernel (OCTK), based on learning a specific kernel model, the CTK, and utilize it in two types of image recognition tasks, namely, face recognition and object categorization. We show that the learned CTK can lead to a desirable spatial geometry change in mapping data from the input space to the feature...
Silicon steel laminations have the complex nonlinear magnetic properties which is critical part of electrical performance in electrical equipment. In order to reduce the energy consumption and optimize the electrical products, the accurate simulation in the numerical analysis of electromagnetic field is necessary. Three-dimensional (3-D) magnetic properties measurement of the silicon steel sheets...
In recent times, gamification has become a popular technique to aid online communities stimulate active member participation. Gamification promotes a reward-driven approach, usually measured by response-time. Possible concerns of gamification could a trade-off between speedy over quality responses. Conversely, bias toward easier question selection for maximum reward may exist. In this study, we analyze...
To design a routing protocol for applications over low-power and lossy networks (LLNs), the IETF ROLL Working Group standardized the IPv6 Routing Protocol for LLNs (RPL), which organizes nodes in a LLN into a tree-like topology called Destination Oriented Directed Acyclic Graph (DODAG). RPL shows good scalability and fast network setup. However, it may suffer from severe unreliability due to the selection...
Profiling of open source software (OSS) peer reviewers have many potential benefits related to quality assurance at both software and project levels. In this paper, we investigate its benefits such as identifying hidden experts, identify inactive or disinterested members to gauge the health of the OSS project and assisting aspiring members to monitor performance, identifying opportunities for career...
A hybrid method is used to evaluate atherosclerosis through a mathematical morphology approach and GVF-Snake method. Common carotid artery (CCA) segmentation requires outlining the intima and adventitia contours on the transverse view of B-mode ultrasound (US) images. The lumen and adventitia contours are segmented using a morphology and GVF-Snake methods, respectively. Upon analyzing ten separate...
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