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41761
Novel reversible data hiding based on difference expansion
Published 2016-02-01“…A novel reversible data hiding algorithm based on difference expansion called ACD was proposed, which used the so-called adaptive change direction technology. ACD embeds data by expanding the differences of neighboring pixel values. …”
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41762
Dielectric Behaviour of Some Woven Fabrics on the Basis of Natural Cellulosic Fibers
Published 2014-01-01“…The relative electrical permittivity of the weave is depending on the degree of crimping yarns especially in the weft direction, technological density in direction of the warp and weft, and surface mass of the weave.…”
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41763
Theoretical Data Extraction for Tooth Surface Measurement of Straight Bevel Gear based on Solid Modeling
Published 2018-01-01“…Aiming at the tooth surface error measurement results distortion of straight bevel gear which consisted of the of modification error and machining error based on gear measuring center,a method which is proposed to obtain the theoretical coordinates for tooth surface measurement based on the solid modeling.According to the design of the gear structure,the origin of the coordinate system and datum plane can be determined by installation distance,then the rotating projection line model can be established based on the calculated mesh nodes coordinates,a series of points are converted to the tooth surface,combined with UG Open programming technology,the attribute analysis of the points on the tooth surface can be extracted,then the coordinates and unit vector of the tooth surface measurement points can be obtained,which provides a new way for the acquisition of the tooth surface error measurement based on gear measuring center.…”
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41764
TOWARDS A HARMONIOUS LABOUR-MANAGEMENT RELATIONS IN NIGERIAN PUBLIC UNIVERSITIES
Published 2021-05-01“…Findings reveal that prevailing political, economic and other intervening variables such as globalization, economic recession, dominance of western model of democracy,emerging technology have always shapes government responses to the industrial crises in the Nigerian University system. …”
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41765
A survey of efficient deep neural network
Published 2020-04-01“…Recently,deep neural network (DNN) has achieved great success in the field of AI such as computer vision and natural language processing.Thanks to a deeper and larger network structure,DNN’s performance is rapidly increasing.However,deeper and lager deep neural networks require huge computational and memory resources.In some resource-constrained scenarios,it is difficult to deploy large neural network models.How to design a lightweight and efficient deep neural network to accelerate its running speed on embedded devices is a great research hotspot for advancing deep neural network technology.The research methods and work of representative high-efficiency deep neural networks in recent years were reviewed and summarized,including parameter pruning,model quantification,knowledge distillation,network search and quantification.Also,vadvantages and disadvantages of different methods as well as applicable scenarios were analyzed,and the future development trend of efficient neural network design was forecasted.…”
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41767
Analysis of Hybrid Spectrum Sensing in Cognitive Radio Using Hybrid Approaches
Published 2025-01-01“…Cognitive radio (CR) technology enables dynamic spectrum access to meet the growing demand for wireless communication. …”
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41768
Adjusted Extreme Conditional Quantile Autoregression with Application to Risk Measurement
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41771
Data update algorithm based on secure network coding in cloud environment
Published 2017-05-01“…In the cloud environment for data storage,the use of secure network coding technology can be a good solution to the data privacy and reliability issues.However,each coding block usually has a high correlation after network coding,very few updates to the file need to be re-encoded which is extremely easy to cause information leakage and serious consumption of system resources.To solve this problem,a network coding cloud storage data updating algorithm was proposed.Just by sending files change difference matrix,the storage node could update parts of the coding block accordingly which could complete the entire update files.Experimental results show that compared with RS coding and Tornado coding,the algorithm can not only ensure data security,but also greatly improve the efficiency of data update and data reconstruction.…”
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41774
Controllability and Observability Criteria for Linear Piecewise Constant Impulsive Systems
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41775
Research and Implementation of Virtual Platform on Cluster File System
Published 2012-09-01“…Server virtualization technology can make a virtual server to migrate from one machine to another at run time. …”
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41776
Online Parameter Estimation in Digital Twins for Real-Time Condition Monitoring
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41777
Study on the Online Wear Condition Monitoring Method for Mining Reducer based on Wear Particle Feature
Published 2017-01-01“…Aiming at the online wear condition monitoring of a mining reducer for engineering applications,the relationship between wear debris features and wear status is studied.Firstly,ferrograph images are firstly captured by using an online wear debris image acquisition system.Secondly,the wear particle features are extracted by utilizing digital image processing technology,where the Otsu’s automatic thresholding method is employed to separate wear particles from the image background,and the debris features of relative concentration and the maximum width are extracted using a pixel scanning method.Finally,the wear status of a mining reducer is analyzed based on the statistical features of online wear debris.Additionally,the experiments are carried out and the results demonstrate that the proposed method is effective to monitor a running machine.This study also provides a new approach for automatic monitoring and intelligent maintenance of mining reducer.…”
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41778
A New Linearizing Method for Sum of Linear Ratios Problem with Coefficients
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41779
Genetics in prenatal diagnosis
Published 2023-01-01“…The options for prenatal genetic testing have evolved rapidly in the past decade, and advances in sequencing technology now allow genetic diagnoses to be made down to the single-base-pair level, even before the birth of the child. …”
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41780
Methodology and algorithms for obtaining long-range 3D-portraits of objects based on 2D-intensity distributions of truncated realizations of reflected laser radiation
Published 2024-06-01“…Using the same probing pulse power, the proposed methodology and algorithms allow a tenfold increase in the range of 3D lidars compared to ToF (Time-of-Flight) technology based on the "Range-gated imagers" algorithms. …”
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