This paper presents a color image segmentation method using modified GrabCut. GrabCut is considered as one of semi-automatic image segmentation techniques, since it needs user interaction to initialize segmentation process. To eliminate this inconvenience, this paper propose using Expectation Maximization...

In order to improve the level of the meteorological administration in the province, the electronic government affairs office and the government management in the network information system are standardized. The platform integrates the multi-tier architecture, supporting WebService, SOAP, XML and other...

With the progress of science and technology, the computer experiment teaching model has been promoted, verifying test has been decreasing, and computer teaching experiment plays an important role in teaching. Currently, for the shortcomings and limitations in the computer experiment teaching, a reasonable...

With social progress in the 21st century, continuous development of network promoted innovative application of computer technology. Moreover, the speed of computer development and application has already gradually exceeded our imagination. Its scope of application also becomes wider and wider. It is...

As mobile technology continues to mature and develop, software and hardware of the mobile terminal has been updating constantly, people are more and more dependent on mobile terminal devices in production and daily life. Because of the combined effects of today's communications technology and network...

Computer software is an important part of computer, whose running security has a direct impact on the computer. In addition, the maintenance and management technology of computer software plays a key role in software running. Therefore, in order to ensure the smooth running of computer software, in this...

Load balancing problem is one of the hot issues in cloud computing. Based on Fujian meteorological cloud platform, the establishment of the model carries out quantification the load status and cluster resource utilization rate of virtual machine, and the improved LC algorithm is proposed with the meteorological...

This paper firstly introduces the recent research on data warehouse and describes the technology of data warehouse in process of design of database in detail. Data warehouse is a new technology in data management and information, and is mainly used to raise efficiency of data querying and to support...

Digital factory is based on the data of product life cycle, and according to the principle of virtual manufacturing and lean production, taking the advantage of computer simulation technology, virtual reality technology and network technology, to carry out three-dimensional simulation, analysis and optimization...

In recent years, with the rapid development of the tourism industry and the increasing demand of GIS technology, in order to enhance the provincial tourism meteorological services capabilities, GIS technology has been widely used in the meteorological field. Facing the application demand of tourism in...

As the road traffic system is an uncertain system, the occurrence of traffic accidents is also an uncertain system with partial information known and the other unknown. Therefore, it’s suitable to apply the gray model theory to predict the traffic accidents. This paper expounds the principles of gray...

In this paper, we mainly apply the Wiman-Valiron theory to prove a theorem on growth of a linear differential equation. From this we obtain a uniqueness theorem concerning that a non-constant entire function and its derivative sharing a small entire function.

In this paper, by using the method of comprehensive analysis of principal components, a modeling analysis of test and performance analysis of the network optimization was used. This evaluation system has the characteristics of adaptability, simple application and broad prospects for development. This...

With the age of big data coming, it provides unprecedented development space to real estate assessment. It’s no longer difficult to gain massive, multi-source and multi-scale data. In order to extract effective knowledge and information, the enormous data not only need to be saved reasonably and normatively,...

In order to improve the robustness of microphone array beamformer in existing mismatch errors, robust beamforming algorithm based on linear constrained minimum variance and diagonal loading method is proposed. The proposed algorithm incorporates the spatial response variation function into the linear...

In order to overcome local convergence of constant modulus blind equalization algorithm (CMA), the momentum constant modulus blind equalization algorithm(MCMA) based on global artificial fish swarm optimization algorithm(GAFSA-MCMA) is proposed. In this proposed algorithm, on the basis of making full...

Aiming at the peak shaving and poor power quality issues resulted from the intermittent power sources, battery energy storage system (BESS) is generally a key distributed generation unit in microgrid. Therefore this paper presents a sizing optimization method for battery energy storage system in the...

A novel Ebola virus spreading model is proposed, choosing the mixed format of random transmission model to describe the population node transmission of infectious diseases within the process, using the deterministic S-E-I-R model to depict the internal mechanism of transmission of infectious diseases...

In the research field of recommender systems, people tend to focus on mining relationship between users and items, but less take the additional contextual information into consideration. To solve the problem, we put forward an improved collaborative filtering algorithm based on multiple contexts (MCCF)....

ECG monitoring equipmentwill generate a huge mount of ECG signals, which causes enormous pressure on server storage and transmission. Therefore, many compression techniques are proposed to overcome this problem including some fractal based lossy ECG compression techniques. However, basic fractal based...

The diagnostic value of fenestration itself is limited but it is quite different when fenestration is accompanied by IA. In recent years, the reconstruction model of IA has become the domestic and international hot topic for discussion, however, it is rare to see the research about reconstruction model...

When cluster heads transmit their data to the sink via multi-hop mode, the cluster heads closer to the sink are burdened with heavy relay traffic and tend to die early. In this paper, taking both sink mobility and node deployment into account, we investigate the energy-hole problem of data gathering...

Aiming at the demerits of STL data, a visualization algorithm of STL model is presented. Valid data consisting the vertexes and normal vector of triangular facet were separated out from STL file. The sequential file was used to save the valid data, in order to avoid excessive use of memory. The algorithm...

Assembly line is widely used in manufacturing system and assembly line balancing problem directly affects the productivity of the whole manufacturing system. In the actual situation of assembly process, optimizing a certain goal in the process of actual assembly individually may cause the neglect of...

In order to reduce the design flaw and improve the productivity, the model of LED bulb assembly line based on the Fuzzy Hierarchical Petri Net is proposed. The process of LED bulb assembly line is given, and the hierarchical modeling based on FHPN is described. The model of LED bulb assembly line includes...

The gray world algorithm is a popular white balance algorithm used for digital camera, but its effect is influenced by the wrong color temperature estimation result due to the incorrect assumption. To resolve this problem, an improved method of gray world algorithm is presented in this paper. Every patch...

Heat pipe heat exchanger is one of the widely used equipment in the industrial field with effective heat transfer. Based on the advantages of the numerical simulation software FLUENT, the design and numerical simulation are carried out. Six cases of different ambient temperature have been studied in...

The heat pipe heat exchanger is applied widely with the advantages of low investment, small volume and good effect of heat transfer. To make a full and reasonable use of the heat resource, a heat pipe heat exchanger is introduced in this paper. Numerical simulation of the heat pipe heat exchanger with...

Phones are the most important part of people’s life nowadays. The investigation found out that mobile phone users always take phones with them when they going out. The frequency of using phones is quite high, people checking their phones almost every 10 minutes, playing phones for a while every an hour....

For the current multi-path effects geometric modeling lack of considering the impact of the earth curvature, sea surface multi-path model under the Earth curvature is analyzed. By geometry models, the static sea surface multi-path effects and dynamic sea surface environment are described, and the equation...

Wavelet neural network (WNN), combining with wavelet analysis and neural network, brings forth a high- accuracy performance in identification and approximation. Passenger flow forecast plays an important role in transit scheduling and an improved WNN model is constructed to actualize dynamic forecast,...

In this paper, we present a port supply chain network model with multiple tiers of decision makers, consisting, respectively, of suppliers, port agents and demanding market. First, we study the suppliers’ multicriteria decision-making and market’s demanding under uncertainty. And then we establish equilibrium...

as for the trust model in the past neglects trust fuzziness and dynamic and it can not precisely reflect trust relations, this paper relies on idea of fuzzy logic and it puts forward evaluation model of cloud computing based on fuzzy trust, uses fuzzy comprehensive judgment method to calculate trust...

Purpose: We do it for tracking the markers of experiments on vibration platform. Method: We recommended HT method which owns better robustness, then designed the programs by the way of MATLAB to demarcate the centers of vibration markers. Result: We have successfully demarcated the centers of vibration...

Collaborative application of Radarsat-2 and GF-1 remote sensing data to study the geological structure for Lalingzaohuo area in east kunlun metallogenic belt has been done. On the basis of detailed analysis of the geological background, with the processing of radarsat-2 and GF-1 data, remote sensing...

Purpose: We do it to improve the efficiency of analyzing risk factors of Type 2 Diabetes. Method: We use the patients’ data from the information department of one tertiary referral hospital in Lanzhou which include course note of disease and their health record form January 2009 to March 2014.We find...

The wireless telecommunication techniques based on android operation system has been widely used both in life and work. It is of huge importance to classify and monitor the accurate android network traffic . However, the appliance of port jump technique and port encryption technique make classifying...

Based on the improved electrical betweenness and voltage stability theory, considering the importance of the structure of the grid and the current operational state of the power system, a comprehensive vulnerability assessment model and index based on the method of AHP-grey relation degree is introduced....

IEEE 802.16m is one of the 4G standards, in order to save the terminal energy consumption, the protocol introduces a sleep mode. With the rapid development of network, network traffic distribution is no longer Poisson distribution but self-similar distribution. Based on similar traffic distribution,...

Due to causes such as unreliability of the transport protocol, energy exhaustion and noise disturbance etc in wireless sensor network, the uploaded data on the sensor node usually tend to be incomplete, which brings about a series of inconvenience for analysis and operation in the subsequent. Therefore,...

Open University learning environment need to adapt to the aim of Open University education and the objective demand of students. The construction of cloud platform is to build a new information interaction platform for open education. This paper analyzes the feasibility of cloud computing applied to...

In allusion to the problem that the multisource remote sensing data are not fully used and the data processing efficiency is relatively low, the multisource data mining system based on the cloud computing service mode is designed according to 3-layer 4-mode cloud computing service hierarchy system. Firstly,...

The personalized user operation is the mainstream of the mobile application development in the future, which is based on the accurate prediction for mobile user behaviors. Currently, the mobile applications cannot provide specific mobile application operating procedures according to the behavioral characteristics...

ESL examination, instead of TOEFL and IELTS to apply for American universities, are increasingly sought after by the majority of learners. Test paper generating system for ESL examination is designed in this paper to help teachers free from the onerous task of generating test paper. The efficiency and...

This paper based on ADO.NET and B/S system architecture elaborates the design process of the curriculum management system and it also analyzes the superiority of .NET and B/S in practical application. First of all, this thesis states necessity of curriculum management system under the credit system....

The traditional mental health information lack of management tools and platforms, it is not suit the needs of information age management. This paper design a software system to support system development. First, design the software architecture composed by data presentation layer, application layer,...

When the building facade has unevenly distributed rigidity and the top thereof has protrusions or the facade rigidity is suddenly changed, the building top can easily have significantly increased amplitude and horizontal displacement under the action of earthquake. The above phenomenon is called whipping...

The environment online data acquisition system of Hongze Lake based on GPRS is designed,which based on detecting the temperature,pH and dissolved oxygen of water in Hongze Lake,using SOPC technology in a FPGA chip to construct a NiosII microprocessor and its peripheral interface circuit,accordingly forming...

Based on the available observation data from meteorological stations in Henan Province from 1981 to 2010, annual and seasonal average soil temperature of each station during the past 30 years was calculated, monthly, seasonal and annual sequence of average temperature of each layer was generated, climate...

With the development of computer technology and communication technology, computer network will increasingly become important information exchange means, penetrated into every field of social life. Therefore, realizing the network vulnerability potential threats and various security problems of the objective...

Fiber images taken by optical microscope tend to have poor focus, uneven brightness or blurred edge. Using mathematical morphology method, such as open or close operation to preprocess the fiber image, which is likely to lead to distortion of the edge of the fiber image and affect the subsequent separation...

Aiming at the lager rule redundancy problems in traditional association rules, this article proposes minimum monotonous constraint closure Hadoop parallel association rules. First, basing on closure operator constraint rule equivalence relation set, this article gives satisfying minimum monotonous constraint...

A new region-based image fusion technique using the adaptive tetrolet transform is proposed to produce a fused image better for human and machine interpretation. Firstly, the visible image and infrared image can be decomposed into low-frequency and high-frequency coefficients using tetrolet transform....

At present most of the databases are limited in extracting data, such as full-text search, fail to searching synonyms or correlation.The most important, it can’t do real-time data processing. Elasticsearch is a open source search and analysis engine with highly extensible property.We can dig deeper into...

Iris Feature Extraction Algorithm Evaluation is an important link of evaluation on iris identification system. For the need of optimal feature extraction algorithm according to the identification, this thesis provides an evaluation scheme based on the fuzzy integral model, and builds a relevant evaluation...

Based upon the synopsis of electronic information system and information services, this paper puts forward the attributes and the logic structure of information service, sets forth the service architecture of electronic information system, and presents a series of measures to improve information service...

This paper discusses the concept and characteristics of the computer simulation technology, and the general process of the simulation design, puts forward the problems in applying the computer simulation technology in the physical education, and analyzes the development prospect and significance of applying...

It has great significance for the quality of aviation image in military image processing system. But it cannot avoid image degradation encountered in the process acquired. In order to get the high-quality aviation image, in this paper, we firstly analyze the main factors of image degradation, and then...

In this paper, a new matrix decomposition method was proposed for estimating the position of prism based stereovision. The prism was considered as a single optical system composed of few refractive planes. A transformation matrix which relates the coordinates of an object point to its coordinates on...

Geographic Information System (GIS) applications now increasingly make use of geo-located multimedia data such as images and videos. Furthermore, the widespread use of smartphones (and increasingly tablets) and the rapid improvement of hardware has enabled the acquisition of high-definition user-generated...

In recent years, location big data (LBD) has become an important resource for intelligent transportation systems. LBD mining faces many serious questions, in order to tackle these questions, we introduce deep learning algorithm (DLA) into LBD mining. First, we explore the current research on deep neural...

With application of expanding the range of VLAN technology, VLAN network become an important practice in the computer network curriculum project. Paper based on Packet tracer 6.0 operating platform, designed and implemented using layer 3 switches to realize communication between VLANS. At the same time...

The signcryption tag-KEM/DEM construction is naturally extended to the ring signcryption in this paper. The security model of hybrid ring signcryption which is constructed by ring signcryption tag-KEM/DEM is given in this paper. A hybrid ring signcryption from lattice theory is proposed which satisfies...

In order to solve the non uniform environment of the target area influencing the variance of DF error, the weighted maximum likelihood estimation (WMLE) algorithm was proposed. In this algorithm, the effect of the target distance was introduced into MLE. we construct the weighted vector to make up for...

This paper presents a class of adaptive ant colony optimization algorithm and proves its convergence properties. The global searching and convergence ability are improved by adaptively changing the pheromone trails evaporation factors and decreasing lower pheromone bound. Markov process analysis is used...

The purpose of this paper is to propose a new intelligence services mode. The authors analyze the advantages of this services mode compared with the traditional ones. Design the structure of whole file and location file involving head information and body information, and take water depth data as an...

The channel equalization technology is one of the key technologies to improve the quality of communication. It has a vital role to improve overall system performance. In order to overcome the inter symbol interference caused by the channel characteristics of the time-varying and multipath propagation,...

The context sensitivity is an important property in program analysis which can improve the analysis accuracy of the function call context of the source codes and helps to improve the abilities of the compiler optimization and verification procedures. The automata model based on the function call of the...

When some coefficients involved in nonlinear programming problems are taken as interval numbers, the problem becomes more challengeable than the original one. In the paper, a nonlinear programming problem with interval objective coefficients is considered, and a genetic algorithm is presented. Firstly,...

To realize the eye pupil center location in color face image, a new algorithm based on skin color segmentation and radial symmetry transform is proposed. The algorithm makes full use of the pupil and the surrounding region’s gradient variation characteristics and radial symmetry characteristic, which...

The trust value of the product is often through historical evaluation of calculated in online trading platform. However, some commodities have no or only a few of user evaluation, the traditional method of calculation will be very inaccurate and unfair trust value, seriously affecting the search results...

The word as the smallest language unit has its own independent concept. Human beings learn language through understanding semantics. This paper proposed a Granular Computing model based on Ontology, to restrict the concept of word and word, the use of Granular Computing similar ideas as well as human...

The problem of high-dimensional feature vector in vector space model (VSM) is an important problem in text classification. After preprocessing the initial number of feature items is generally huge, and many of them for text categorization are useless. This will not only increase the running time of the...

In the cement enterprise energy management reporting system plays a very important role, with analysis and comparison function cement energy data. The system uses XML technology and jQuery Easy UI plugin implements which a software development may accelerate reporting production systems. This article...

Aiming at the energy waste problems resulting from the contradiction between energy demand and supply in cement production, an energy demand prediction model based on support vector regression is built. And energy consumption of a cement enterprises in Shanxi cement production line, for example, to validate...

A network topology is how computers, printers, and other devices are connected over a network. It describes the layout of wires, devices, and routing paths. Essentially there are six different common topologies you should familiarize yourself with: Bus, Ring, Star, Extended Star, Hierarchical, and Mesh....

The idea of big data processing is widely accepted nowadays, which makes it critical for IaaS to support network infrastructures in large scale. This paper presents a novel network model based on scale free network, which explored the influence to scale free property with a maximum degree constraint,...

With the expansion of the size of the primary school building, campus space are becoming increasingly complex. In order to meet the needs of students learning and life, primary school identification system emerge at the right moment. As an important part of campus environment and culture, school identification...

In this paper, we investigate symbol timing offset and carrier frequency offset estimation problem in distributed MIMO-OFDM systems. In distributed MIMO-OFDM systems, signals arrive at the receiving antennas on different timings and are characterized by distinct CFOs. This property makes synchronization...

The optimization of mine development Scheme is one of the technical problems in the design of underground mining. With all influencing factors, such as economy, technology safety and time considered, a comprehensive evaluation index system of mine development scheme was established by Delphi method to...

In order to provide an effective design method which can comprehensive consider working conditions for the U-type Platform, multi-objective topology optimization was studied, based on the theory of variable density. In this optimization, volume fraction as constraints, natural frequency and stiffness...

Attribute reduction is important to the mining of product configuration rules, the accuracy of attribute reduction will directly affect the subsequent mining of configuration rules.In this paper,the non-positive region in incompatible configuration decisions table is analyzed.A new attribute reduction...

Low Reynolds number k turbulence model is gained by modifying the standard k turbulence model, it applies to the whole fluid region. This case was studied six low Reynolds number k turbulence model and standard k turbulence model in FLUENT14.0 for numerical calculations near-wall shear flow,through comparing...

A novel curvelet-based sub-band selection approach for medical image fusion is presented in this paper using the Parameterized Logarithmic Image Processing (PLIP) model. Both MRA and MRI image have different features, in this paper we use the different frequency band selection fusion rules yield novel...

In the high-speed system of space optical communication, NRZ modulation on differential phase shift keying, 66% duty cycle RZ modulation and 33% duty cycle RZ modulation. By using the Optisystem optical communication software design of DPSK optical communication system based on communication rate in...

With the thoroughly implementation the of the concept of sustainable development, the electric cars become more and more popular, and as the increasing scale of mobile storage devices, electric vehicles, its ordered charge and discharge is playing an extremely important role in the smooth operation of...

The stock market is an important part of the securities industry and financial industry essential, universal attention by investors. Effective stock prediction plays an important role in the field of financial investment, so on the stock price of analysis and prediction has a very important theoretical...

In order to comprehensively generalize the research status quo, achievements as well as deficiencies on the power system reactive power optimization algorithms, a universal reactive power optimization model was introduced in this paper, and a variety of common traditional optimization algorithms, artificial...

Agricultural expert system has been widely used in developed countries, but these cutting-edge technologies have not been universal used in the China's agricultural production, because terminal equipment is inconvenient to carry and complicated to operate for farmers. Under this situation, this thesis...

At present there exists some problems and shortcomings in loading system for coal mine enterprises, such as can not realize comprehensive management real-time monitoring and remote control. Aiming at the loading system’s defect of information “lonely island’’ ,this paper based on the analysis of coal...

Based on the discrete element software EDEM, the bond model is created and introduced to realize the dynamic simulation of the whole process of the material entering the roller surface and being pressed. The analysis of pressing four particle size lignite at two speed shows that the diameter of a ball...

Anycast is a new mode of communication to balance load and improve network quality. Due to the presence of cross service issues, it makes a great decline in service efficiency. In order to solve the problem above, this paper proposed a particle swarm optimization algorithm (CPSO) based on chaos from...

This paper designs a new intelligent system for watering flowers based on internet of things (IOT), which is suitable for indoor, balcony and courtyard, etc. When the flowers are neglected in long-term, intelligent device for watering flowers can do the watering operation timely and quantitatively. This...

As the amount of networking information production keeps growing, big data analysis has been widely used in the field of education. In recent years, teacher-student interactions on the Web are increasing, this will generate a lot of data. The use of big data analysis methods to analyze these data has...

OSM (OpenStreetMap) is a collaborative project to create a free editable map of the world and Leaflet is the leading open-source JavaScript library for mobile-friendly interactive maps. Based on OSM (OpenStreetMap) and Leaflet, a complete off-line map is constructed in this paper and applied to the actual...

In the cloud right weight attribute encryption scheme based on multi-agency. Under existing cloud computing environment based on multi-agency access control scheme generally do not take into account the weights of the attributes that the status attributes are equal. But in real life, with the right to...

This paper primarily discusses the linear quadratic optimal control problem for discrete-time stochastic sys- tems with indefinite control weights and constraint and Markovian jumps. We use the Karush-Kuhn-tucker (KKT) theorem basically in this paper. It is testified that the well- posedness and the...

Based on the B / S network architecture is very widespread, and the distance between the browser and the application server is usually more distant, and therefore ensure that the information transmitted over the remote line is particularly important. Many domestic and foreign academic institutions, enterprises...

How to judge the reliability of enterprise server has always troubled information managers and decision makers. This paper makes the reliability of enterprise server room as the research object, establish evaluation server index system reliability from four aspects of security, advanced technology, economy...