Advances in Computer Science Research

To solve the problem of insufficient feature extraction and low feature extraction efficiency of local directional pattern, this paper proposes a new facial expression extraction method based on difference center-symmetric local directional pattern (DCS-LDP). The grey values in the fields of neighborhood...

Using a panel of China’s 31 provinces over 1978-2008, we examine the effects of entrepreneurship on economic growth in the context of China’s transformation from a centrally planned to a market-oriented economy. We divide entrepreneurship into two types: one is business creation and the other is innovation....

Aiming at the lack of effective security monitoring of mobile terminals, this paper proposes a mobile terminal security monitoring system based on distributed agent, which adopts distributed deployment and centralized management. Also, a multi-level malicious behavior monitoring model is proposed to...

In this paper, a novel bandpass filter (BPF) with high selectivity and great out-of band suppression is proposed by using stepped impedance resonators (SIR) and defected ground structure. The measured 3-dB bandwidth of the proposed BPF is 2.62-2.72GHz; the maximum simulated insertion loss is 0.4 dB within...

The shipment of offshore oil platform is a very important part of the process from construction completed to the offshore installation. As the large marine module moves in the process of the skidded loadout, Different positions of wharf produce different degrees of deformation. We need to improve the...

The use of piezoelectric lead Zirconate Titanate (PZT) transducers is growing in the monitoring of large-scale engineering structures, such skyscrapers and bridges. PZT transducers are implanted in the surface to monitor structures using electro-mechanical impedance or electro-mechanical admittance with...

Everyone in this modern and technology-prone era relies on various online news sources for quick access of information. In addition, with the rise in popularity of social networking sites, within a short span of time, rumors circulate quickly among millions of users. Fake news is a threat to democratic...

The objective of this study is to examine the design language of cartoon images in children’s online education applications. The aim is to investigate the strategies and approaches used in designing cartoon images for children’s online education platforms. The study involved the collection of cartoon...

Network text mining analysis is an important method for the evaluation of tourism destination image, through the collection, screening and analysis of network data, the tourists' perceptual information can be obtained, the attributes and characteristics of tourism destination image can be studied and...

For serious cases fisheye lens distortion, we use fisheye images captured image get a lot of information presented fisheye correction method using Matlab image processing software, the successful implementation of correcting the image distortion. And experiments show the feasibility of the method.

Proposed a positioning method for high dynamic distributed platforms combined two-way microwave ranging with short baseline interferometer angle measurement. Effectively suppressed Doppler interference while ranging based on the frequency and time characteristics of broadband Positive and negative slope...

Along with the technological advances and development of the society, China's aviation industry is also developing. How to optimize the production schedule in aviation manufacturing enterprises has become the primary problem for developing aviation projects. This paper analyzes the current condition...

In the face of the new normal of agricultural development in China, China proposed the development of the sixth industry, realize the integration of the one two three industries, and ultimately achieve the agricultural production, farmers' income. This paper to industry fusion theory and Schultz's theory...

In order to realize the automation of factory transport materials, improve the automation level and production efficiency of factories and enterprises, the factory intelligent AGV based on electromagnetic guided was designed and developed. This factory intelligent AGV has tracking guide, RFID communication,...

In this paper, forklift scheduling management device was designed. The workers can quickly find the right position according to the demand of the forklift, so that the forklift could achieve accurate and efficient scheduling, to prevent sabotage and empty air forklift. And the forklift could work with...

The statics mechanic model of the casing-cement-formation is established in this paper. Effects of formation and cement characteristics on casing strength are studied under injection-production condition. The examples show that the maximum stress occurs in the internal wall of the casing, along the orientation...

In order to improve the accuracy of reinforced retaining wall seismic dynamic response analysis, this paper presents a response model seismic based on dynamic parameter tensor analysis, and inversion calculation can obtain the time history response curve and the maximum peak force of the reinforced retaining...

Energy is an extremely crucial resource for Wireless Sensor Networks (WSNs). Many routing techniques have been proposed for finding the minimum energy routing paths with a view to extend the network lifetime. However, this might lead to unbalanced distribution of energy among sensor nodes resulting in,...

Continuous increasing of traffic demands often more than the network supply is the primary reason of traffic congestion. Recently, the existence of macroscopic fundamental diagram in urban traffic network has been validated and moreover activated the researches for the perimeter control of the network....

Electric energy metering system consists of watt-hour meter, voltage transformer and current transformer. Hence, the error of electric energy metering system should be analyzed from the three parts. Aiming at the measurement accuracy of the power metering system under harmonics, the equivalent circuits...

Under the complicated variable international economic environment, investment of thermal power project faces many risks. In order to reduce the risk loss which due to thermal power project investment, the paper uses risk matrix to evaluate factors of investment risk in thermal power project. First, the...

The inventory is related to enterprise’s production, sales and cash flow. Therefore, enterprises pay more and more attention to safety stock control. In this paper, on the basis of support vector machine (SVM) model and RBF neural network model, genetic algorithm (GA) combined forecasting model is established...

This paper presents a unified method for fast single image enhancement without using any extra information. Adopting a linear combination model of direct attenuation and un-uniform illumination, we describe a unified approach to handle such degraded images with a strategy that gracefully bridges the...

Based on the case teaching implementation process as background, we propose three suggestions with changing teaching idea, transforming teaching method and improving professional ability. And we also put forward to carry out three implementations with good preparation before class , the class discussion...

Due to the wide application of information technology, the speed of technology update is getting faster and faster. Innovation network is very important to the development of industry. So, innovation network is the hot spot of innovation research now. Through the analysis of the existing literature,...

With the continuous development of modern information technology, computer network and multimedia technology have been used more and more widely. Due to the diversity, integration, control, interactivity, and real-time characteristics of multimedia technology, the application of multimedia technology...

This paper takes the wireless network construction project of Jilin Business and Technology College as the research object, this paper introduces the general principles and technical requirements of the construction of Wireless campus network, constructs the network topology based on the above principles,...

Hydraulic transmission technology is a combination of fluid mechanics, mechanical design, mechanical principles, electrical and electronic, automatic control and other aspects of the comprehensive knowledge of the curriculum. In order to cultivate students' innovative spirit and practical ability, this...

Aiming at the shortcomings of traditional contour superposition analysis in quantitative evaluation of DEM error, the purpose of this paper is to propose a new method to measure the DEM accuracy by using the map spots of contour superposition. To begin with, the concepts of the difference rate and the...

The World Health Organization in 1981 began promoting Healthy City and Healthy Community vision to promote the healthy behavior of protection and improvement of the quality of life and maximize the protection of the natural environment to reduce the impact of disasters, such as losing exercise, nutrient...

Soybeans are national food crop commodity with a high level of consumption per year. Efforts to increase soybean production are accomplished through fertilizer application. The utilization of chemical fertilizers, however, can negatively impact the environment. One alternative to the application of fertilizer...

Against the backdrop of escalating global climate change, climate risk has increasingly affected agricultural production. This study analyzes how climate risk influences insurance decisions of agricultural firms, using data from 304 Chinese agricultural enterprises between 2011 and 2022.The empirical...

With the continuous development of reinforcement learning, artificial intelligence has reached a level of sophistication where it can effectively handle complex situations, making it a valuable component in video game development and gameplay experiences. Recent applications have demonstrated the potential...

With the advantages of high integration, high reliability, fast processing speed and online programming, the field-programmable gate array (FPGA) has become a hotspot of the studies on digital communication systems. In a suppressed carrier digital communication system, the quality of carrier extraction...

With the development of IOT and economic progress, consumers demand has great changes for fresh agricultural products. But traditional agricultural supply chain model exist problems. To achieve Information management fresh produce supply chain, To achieve intelligent production cultivate fresh produce,...

The constant development of information technology promises the extensiveness, professionalism and comprehensiveness of the sources of the competitive sports intelligence data; and the analyzing of the competitive sports intelligence also makes it turn from artificial experience analysis to the direction...

Based on the investigation data on Pb in Jiaozhou Bay in May, September and October in 1983, were analyzed the horizontal and seasonal distribution of Pb. The results in this paper showed that Pb contents in surface and bottom waters were closed in the bay mouth in different seasons. For seasonal distributions,...

In the age of big data, one of an important means to develop industry, science and technology in China is to explore the dynamic information solution based on big data. With popularization of smart phones and mobile terminals and wide coverage of networks of 3G/4G/WIFI, the data related to every one...

It is of great necessity to explore a method to seek for a wrecked plane in the sea. In this paper we think of a static situation and establish a model that can be applied to quickly search the plane fallen into different oceans. Firstly, we develop a parabola model to simulate the process of plane falling....

The generalized finite element software Autodesk Simulation is used to simulate and analyze the hooks, and the distribution of stress and displacement changes is obtained. The dangerous cross section of hook is analyzed and studied theoretically, which provides the necessary theoretical basis for structural...

There is a problem in the process of data analysis, which is related to their extraction and preparation. This problem is the consequence of a necessity for integration of heterogeneous structures both in structure and format. The technical solution to this problem is to use ETL-systems that automate...

The normal accident prediction models can’t predict the occurrence of major accidents very well, so the cusp catastrophe model of major accidents is set up on the base of ideas of black swan and catastrophe theory. In the model, the main factors of major accidents are regarded as the controls parameters...

With the development of software technology, software is becoming increasingly essential in our daily lives. However, there are more and more sorts of pirated software. Therefore, we need to figure out an effective method to prevent plagiarism, protect intellectual property and so on. Software homology...

In this paper, modeling a weakly nonlinear system whose nonlinearity is up to the second order is studied. During this task a second order Hammerstein series model is used because it can lead to a trade-off between computational cost and generalization ability. To extract such model form measured input-output...

The samples with a length of 50mm and cross section area of 20mm2 were machined from extruded P/M Nickel-base superalloy billet and the isothermal deformation tests were carried out at constant strain rate in a vacuum environment using the Thermecmastor. All the samples were deformed to a true strain...

With the development of biometric identification technology, fingerprint identification technology was used widely in the fields of attendance, entrance guard and mobile payment due to its advantages of security and reliability. Now Fingerprint locking technology has also been developed rapidly in intelligent...

At present, the index of the effect evaluation of reservoir ecological operation cannot fully and systematically reflect the impact of the operation on the river ecosystem, and there is a lack of a complete and widely applicable index system. From the composition of river ecosystem, taking full account...

Artificial intelligence and internet of things (IoT) fields have contributed to the flourishment of the industry 4.0 concept. The main benefits include the improvements in terms of device communication, productivity, and efficiency. Nevertheless, there is a downside concerning the security of these systems....

In the context of artificial intelligence and algorithmic influence on media ecology, what kind of impact will hosting communication face? When considering news production, news ecology, and news media in the era of intelligent media, it is necessary to weigh the pros and cons of artificial intelligence...

Companies donating a certain amount of money to a selected cause responding to each consumer purchase is known as cause-related marketing (CRM) that has become very popular and has grown exponentially in the past few decades. However, when faced with pandemic threat, what happens to consumer preference...

Cardiovascular diseases (CVDs) are responsible for a significant number of deaths worldwide and are one of the leading causes of mortality. The main types of CVDs include coronary heart disease, rheumatic heart disease, and congenital heart disease. This article employs logistic regression to investigate...

Information about rainfall is very necessary for the country of Indonesia which bears the title of an agricultural country. This is because the agricultural sector is very vulnerable to climate change, where rainfall is one indicator of climate change-related to crops. Therefore, an accurate rainfall...

Energy consulting for private homes can make a sig-nificant contribution to achieving energy efficiency targets. The success of energy consulting, which means as much as that the con-sulting leads to real energy savings, depends not only on socioeco-nomic, environmental, structural and technical factors...

This paper based on the specific needs of the university library, analyzes construct necessity, feasibility and technical solutions to select automatic recommendation system for books, and a brief introduction of collaborative filtering algorithms, in particular the correlation calculation and different...

The multi-scale display of digital imaging and communications in Medicine (DICOM) is the important step of detecting the lesions and making the radiotherapy plan. It is achieved by the dynamic regulation of the multi-scale display which also is called window operation to observe the organ tissues with...

This paper, by using Chinese customer satisfaction index evaluation model, conducted research on the evaluation of customers’ satisfaction towards B2C E-commerce enterprises and presented the customer satisfaction evaluation results for six enterprises with higher market occupation. The evaluation results...

Stock composite indexes prediction is an important issue in the financial world. A back propagation neural network (BPNN) with mind evolutionary algorithm (MEA) developed for the prediction of prices on Shanghai Stock Exchange is presented. The optimum weights and threshold values of BPNN are determined...

Regulation of monetary policy may not achieve desired effect. Consistency between commercial bank credit behavior and monetary policy orientation can greatly affect the effectiveness of monetary policy from the perspective of China. In the paper, possible influence of several commercial bank credit behaviors...

In information system, 2D geographic information has insurmountable shortcomings. It is difficult to meet people's demand for 3D real information. With constant development of scientific and technological information, 3D visualization system emerged. 3D visualization system is to solve problems that...

Birds often disturb the normal operation of transmission lines during their activities in the nature. Now, it is common to rely on workers that check, identify and remove bird's nests on transmission lines, but their observation is less efficient and geographically limited. This paper proposes a solution...

As the leader of the case teaching, teachers play an important role in the successful implementation of case teaching. In this paper, we propose three-roles of teachers including gatekeepers, guides and the presenters through analyzing some key problems in the process of implementing case teaching. And...

Multiscale entropy (MSE) has attracted many applications in revealing the complexity of bio-signals since its introduction in early 2000. To better understand the MSE method, a lot of researchers have been working on its analytical solution. The existing analytical solutions are limited either to bulky...

Recent companies should pay significant attention to customer requirements so as to rapidly respond to market needs and changes. C2B is the reverse model of the traditional Business-to-Customer e-commerce strategy which enables consumers to name products or services such that the organization can generate...

The multipath interference affects the navigational accuracy of the Microwave Landing System (MLS), which threatens the landing security of planes seriously. The common methods of the multipath interference suppression are realized on the electromagnetic modeling of the airport environment, which have...

The application of agricultural greenhouses is more and more extensive, while the air temperature and humidity and other environmental factors in greenhouses need to be regulated carefully by people as yet. This article designed a monitoring and control system for greenhouses to adjust the factors automatically,...

NoSQL database breaks the traditional relational model, stores data in a free way, provides a new access interface, and overcomes the shortcomings of traditional RDBMS. NoSQL database can be deployed on cheap hardware, supporting distributed storage, and transparently extending nodes. This paper analyzes...

Skin cancer is a critical global health issue that requires early and accurate detection for effective treatment. This project introduces Skin Guard, an AI-powered cancer detection system designed to classify skin conditions into seven categories, including malignant melanoma, basal cell carcinoma, and...

Chronic kidney disease is a global health problem that requires early diagnosis for effective management. According to a WHO survey, in Indonesia alone it is estimated that around 70,000 cases occur each year, while the percentage increase in cases will occur by 46% from 1955–2025. Early detection of...

With the rapid development of the market economy, scientific and technological innovation has become an important factor affecting market competitiveness. Establishing a team of high-tech innovative talents has a direct impact on the development of China’s agricultural economy. The evaluation of agricultural...

SDN (Software Defined Network) is the important part of Future Network, and the OpenFlow soft switch which separates the control plane from the data plane is the key instrument. While there is less research on the performance model of SDN, and also less research on experimental methods of performance...

As we enter the deep submicron era, the steadily shrinking feature sizes make charge sharing much easier among physically adjacent nodes in integrated circuits, which ultimately results in DNU (Double Nodes Upset). In this paper, we propose a 16-transistor memory cell. Hspice simulation shows this cell...

The drilling mud-filtrate invades into a reservoir is a dynamical process after a formation was opened in oil exploration. Since the invasion profiles of formation resistivity vary with time, the invasion depth is related to time. The fluid flow equations were used to calculate the invasion profiles...

In order to overcome the disadvantages of the existing negative pressure adsorption methods, a new structure of non-gas source negative pressure adsorption is proposed. On the basis of this structure, a physical prototype was made. According to the motion model of the prototype, the stability condition...

Development of inclusive finance driven by digital technology brings us benefit, risk and challenge. The increasingly obvious difficulty of protecting rights and interests of financial consumers is new challenge brought by digitalization. As digital inclusive finance is an emerging topic, research on...

An approach for object detection based on mathematical morphology is proposed in this paper. The features of objects are extracted through the analysis of images, and structuring elements with different shapes and sizes are selected according to the aim of experiments. After the image preprocessing,...

Design the technologies for data acquisition of embedded mobile terminal, data transmission and synchronization of embedded mobile terminal and the server and establishment and maintenance of the server database. Solve the shortcomings as difficulty in data acquisition of data synchronization, complicated...

Recent years, municipal sludge received more and more attention as a kind of negative by-product of the urbanization. The technology of dewatering plays a critical role in the sludge handling process. However, domestic academic research in the field of dewatering is not sufficient at present .The dewatering...

In this paper, based on the PV module performance parameters, five performance points of PV module are obtained by calculation. Based on five points, the curve of performance is generated by shape-preserving interpolation on the computer. The algorithm better describes the electrical characteristics...

Although faster image decoding method is more important and useful, in some special applications, the controllable decoding process may be required. In the case of making fixed point unchanged, the paper made the fixed parameters of compression mapping into variable parameters, adjusted these parameters...

Local Binary Pattern (LBP) algorithm is a classical algorithm in the field of face recognition. It can capture local detail features, but its robustness and recognition rate are easily affected by external environmental changes.In this paper, an improved LBP algorithm which combines Euclidean distance...

Urban air pollution is one of the most urgent problems to be solved in the process of China’s economic development and urbanization. Aiming at the spatial-temporal evolution problem of air quality in Henan province, this paper, based on the daily average data of urban air quality index of Henan province...

The aggregation of residents' private data drives improvements in the smart homes, however it comes with compromising on privacy. Hence, privacy preservation has become an increasing requirement for residents. Since users might have different privacy requirements, and their privacy requirements might...

Aiming at the problem of shear damage of shearer ranging arm caused by thermal load and force load, the ranging arm shell of the drum shearer is taken as research object, the mechanical properties, temperature field distribution and thermal characteristics of the ranging arm shell are carried out. Based...

Hourly particulate matter time series data from eight air quality monitoring stations in Peninsular Malaysia were forecast by using the Convolutional Neural Network (CNN) algorithm. Instead of using the original time series, which are time-domain sequence data, this study used the time-frequency domain...

Based on UWB positioning technology, an emergency training system for indoor radiation accidents is designed in view of the problems such as low level of actual combat in emergency training. The system can flexibly construct radiation accident scenarios required for emergency training through the combination...

With the development of science and technology, modern electronic products are becoming more and more lightweight, and tend to miniaturization. Switch the equipment also put forward higher requirements, the use of light touch switch to replace the traditional mechanical switch has become a trend, that...

Through the practice teaching of the course Real Variable Function and Functional Analysis>, that most students find difficulties in learning, we discuss the cause, optimize the content, try different kinds of teaching methods, improve the examination system and correspondence with other mathematical...

Based on the theory of investment risk assessment of Urban Commercial Complex and combined with domestic and foreign scholars research, investment risk of Urban Commercial Complex is predicted and evaluated qualitatively and quantitatively by the use of Analytic Hierarchy Process, Gray Theory, Fuzzy...

In this article we consider one of the tools for managing a single industry town - a method for its social and labor relations sustainability assessment. We describe a mathematical model of calculating the integrated index and give instant assessment examples.

A network generated by randomly rewiring the edges of an original network on some constraint conditions is called the null model of the original network. It’s a useful tool for revealing some mechanisms affecting the topology of networks. As the scales of networks become larger and larger, time consumption...

Appliances garbage not only has a lot of harmful substances, but also has a high economic value of precious metals gold, silver, copper, etc. It can be recycled to reduce pollution and achieve recycling of resources. TV sets, refrigerators, mobile phones and other electronic products also contain lead,...

The purpose of this paper is to improve low voltage ride through (LVRT) capability of doubly fed induction generator (DFIG).First, this paper gives expressions of the stator flux and rotor current during the grid fault occurrence and clearing by solving the mathematical model of DFIG. The results of...

The training of traditional SVM method requires the solution of quadratic programming, and consumes high memory and has low speed for large data training. Incremental learning is one of the meaningful methods to continuously update the data for learning, which keeps the previous learning results, re...

In this study, the research results at home and abroad on the basis of semantics, through the establishment of the Russian verb semantic pattern of combing and significance patterns, to analyze the performance of syntactic distribution, description of the Semantic - syntactic patterns, and as the basis...

Currently, the setting of JAVA can not meet the need of enterprises’ employment demand. In this paper, we divide the JAVA learning process into four stages: basic knowledge, junior programming, web development, and senior programming. Step by step, we will introduce the students into in-depth understanding,...

The panoramic autonomous navigation mobile robot is a kind of intelligent mobile device which simulates the human brain route planning and uses the technology of laser radar and SLAM technology. The premise of intelligent mobile is to model the environment. Environmental modeling needs positioning, which...

This paper mainly studies the background difference method in the field of intelligent traffic, proposes a background modeling method base on frame difference, and compares it with the statistical average background model and Gaussian distribution background modeling method. Vehicle contour obtained...

The three-stage DEA model is used to eliminate the environmental influence and random interference, according to variable scale compensation (〖BC〗^2) research and evaluation of logistics efficiency in east China from the perspective of investment. In this paper, 5 environment variables, especially education,...

In recent years, with the continuous development of the Internet, the construction of hospital informatization has achieved remarkable results in improving the mode of medical treatment, promoting refined management, improving patient satisfaction, and improving the efficiency of medical care. Mobile...

Due to the frequent safety accidents, the pressure and challenges faced by colleges and universities are growing increasingly. At the same time, higher requirements are put forward to meet the occupational safety needs and strengthen the crisis consciousness on the construction of safety culture. Through...