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With the increasing number of technology areas using Virtual Machine (VM) platforms, challenges exist in Virtual Machine migrating from one physical host to another. However, the complexity of these virtualized environments presents additional management challenges. Unfortunately, many traditional approaches may be either not effective well for reducing(More)
BACKGROUND The presence of fetal DNA in maternal plasma made non-invasive prenatal diagnosis possible. Although fetal DNA has been used in several genetic disease diagnoses, many challenges remained in the detection methods. We attempted to develop a sensitive and reliable microarray coupled with emulsions PCR method to detect the fetal DNA in the plasma of(More)
This paper presents a new method based on digital image processing to realize the real-time automatic vehicle speed monitoring using video camera. Based on geometric optics, it first presents a simplified method to accurately map the coordinates in image domain into real-world domain. The second part is focused on the vehicle detection in digital image(More)
Deletions in Y chromosome are thought to be pathologically involved in some cases of male infertility associated with azoospermia or oligozoospermia. An emulsion-based multiplex PCR method was developed for detecting Y chromosome microdeletions in infertile men and a plasma sample of pregnant women carrying a male fetus. The sensitivity of multiplex PCR in(More)
With the increasing number of technology areas using Virtual Machine (VM) platforms, challenges exist in Virtual Machine migrating from one physical host to another. This paper presents the design and implementation of a novel Hierarchical Copy Algorithm (HCA) for Xen live VM migration. Based on the memory characteristics which will be transferred, the(More)
Task scheduling is one of the most critical issues on cloud platform. The number of users is huge and data volume is tremendous. Requests of asset sharing and reuse become more and more imperative. Efficient task scheduling mechanism should meet users' requirements and improve the resource utilization, so as to enhance the overall performance of the cloud(More)
A novel sulfonic acid group containing hydrophilic strong cation-exchange monolith was prepared by in situ coating 5 μm bare silica particles with the copolymers of glycidyl methacrylate and pentaerythritol triacrylate and further sulfonating the prepared polymer matrix with Na2 SO3 inside a 150 μm id capillary. The preparation conditions were investigated,(More)