340 Result(s)
within
English
Yi**ang Chen
Engineering
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Article
Open AccessVariational segmentation model for images with intensity inhomogeneity and Poisson noise
In this paper, we propose a variational segmentation model to deal with intensity inhomogeneity and Poisson noise. An energy functional is first proposed, which uses a data-fidelity term deduced from Poisson d...
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Article
Open AccessA construction strategy for a tunnel with big deformation
By integrating literature reviews, site observation, field monitoring, theoretical analysis, summarization, etc., a construction strategy was proposed and verified for tunneling with big deformation in this pa...
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Article
Open AccessJoint source-channel coding and optimization for mobile video streaming in heterogeneous wireless networks
This paper investigates mobile video delivery in a heterogeneous wireless network from a video server to a multi-homed client. Joint source-channel coding (JSCC) has proven to be an effective solution for vide...
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Article
Open AccessBivariate analysis of typical hydrological series of the yellow river
This paper uses Gumbel-Hougaard (G-H) copula, Clayton copula and Frank copula to construct joint distributions of hydrological variables of the two typical stations on the Yellow River Region, including the an...
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Article
Open AccessIntegrating clustering with level set method for piecewise constant Mumford-Shah model
In the paper, we present an efficient method to solve the piecewise constant Mumford-Shah (M-S) model for two-phase image segmentation within the level set framework. A clustering algorithm is used to find app...
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Article
Open AccessThroat polyp detection based on compressed big data of voice with support vector machine algorithm
Classification in large-scale data is a key problem in big data domain. The theory of compressive sensing enables the recovery of a sparse signal from a small set of linear, random projections which provides a...
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Article
Open AccessAdaptive mobile tracking in unknown non-line-of-sight conditions with application to digital TV networks
This paper studies the problem of tracking a mobile device in mixed line-of-sight (LOS) and non-line-of-sight (NLOS) conditions. NLOS error is assumed to be Gaussian with unknown mean and variance. An adaptive...
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Article
Open AccessThe preparation process and feature of the topological insulator Bi2Te3
Topological insulators are insulating in the bulk but have metallic surface states. Its unique physicochemical properties can find numerous applications in electronics, spintronics, photonics, the energy scien...
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Open AccessPreparation of Nb3Al superconductor by powder metallurgy and effect of mechanical alloying on the phase formation
Adoption of powder-in-tube method to fabricate superconducting wire can realize a large application of Nb3Al prepared by powder metallurgy. Powder metallurgy was used to synthesize Nb3Al under various heat-treatm...
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Article
Open AccessAn optical music recognition system for traditional Chinese Kunqu Opera scores written in Gong-Che Notation
This paper presents an optical music recognition (OMR) system to process the handwritten musical scores of Kunqu Opera written in Gong-Che Notation (GCN). First, it introduces the background of Kunqu Opera and GC...
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Article
Open AccessAnalysis model of parameters affecting cutting performance in high-speed machining
Further progress in green cutting applications depends on the innovativeness of machine tools, advances in tool development, and, especially, more complex tool and cutting technologies. Therefore, this study a...
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Article
Open AccessSnow depth sensing using the GPS L2C signal with a dipole antenna
Prior research has shown that the currently deployed geodetic global positioning system (GPS) stations can be used to measure snow depth in an area around the antenna installation via GPS interferometric refle...
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Article
Open AccessMultiresolution generalized N dimension PCA for ultrasound image denoising
Ultrasound images are usually affected by speckle noise, which is a type of random multiplicative noise. Thus, reducing speckle and improving image visual quality are vital to obtaining better diagnosis.
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Article
Open AccessReconstruction of freehand 3D ultrasound based on kernel regression
Freehand three-dimensional (3D) ultrasound has the advantages of flexibility for allowing clinicians to manipulate the ultrasound probe over the examined body surface with less constraint in comparison with ot...
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Open AccessA random forest model based classification scheme for neonatal amplitude-integrated EEG
Modern medical advances have greatly increased the survival rate of infants, while they remain in the higher risk group for neurological problems later in life. For the infants with encephalopathy or seizures,...
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Article
Open AccessOptimization of a two-way MIMO amplify-and-forward relay network
In this paper, we consider optimization of a two-way multiple-input multiple-output (MIMO) amplify-and-forward relay network which consists of a pair of transceivers and several relay nodes. Multiple antennas ...
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Open AccessThe Evidential Reasoning Approach to Medical Diagnosis using Intuitionistic Fuzzy Dempster-Shafer Theory
For medical diagnosis, fuzzy Dempster-Shafer theory is extended to model domain knowledge under probabilistic and fuzzy uncertainty. However, there are some information loss using discrete fuzzy sets and tradi...
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Article
Open AccessMRI-based strain and strain rate analysis of left ventricle: a modified hierarchical transformation model
Different from other indicators of cardiac function, such as ejection fraction and transmitral early diastolic velocity, myocardial strain is promising to capture subtle alterations that result from early dise...
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Article
Open AccessA 3D numerical study of the collateral capacity of the circle of Willis with anatomical variation in the posterior circulation
The Circle of Willis (CoW) is the most important collateral pathway of the cerebral artery. The present study aims to investigate the collateral capacity of CoW with anatomical variation when unilateral intern...
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Article
Open AccessDistributed back-pressure scheduling with opportunistic routing in cognitive radio networks
A challenging problem in cognitive radio networks (CRNs) is to design a throughput efficient routing and scheduling algorithm for end-to-end communications between secondary users (SUs) in a distributed manner...
