This paper presents a method to remove the black edge of documents in Android system based on open source computer vision library OpenCV. It introduces how to use OpenCV in Android, describes the specific steps of using JNI to call OpenCV function, which should be considered in using the camera. It describes the key process of using Android NDK to generate sharing library. The experimental results show that this Android application has good performance in removing black edge of documents in different types under different scenarios.

The picture archiving system for examination paper is to solve the problem of storage, retrieval and protection of examination paper. The test paper is taken photo of and is converted to PDF files, and then is stored in the Web server. The storage paths is related with the the student ID number, academic year, subject of school information system for easy retrieval. The picture archiving system for examination paper is integrated with the school information system, satisfying the need of electronic paper. The design scheme is also suitable for the electronization of other electronic paper files. The system has advantages of low cost, easy operation, fast retrieval and high safety.

With the rapid development of information technology and the social demand for students' computer application ability, computer basic operation skills and daily software application ability have become the essential basic qualities of college students. Computer basic course is a very important public course for students in colleges and universities. Due to the constraint of manpower and material resources, the traditional teaching of computer basic courses is often lack of innovation and practicability, causing the weak ability of student to utilize the computer to analyze and solve actual problems. This article focuses on the reform of the computer basic courses teaching and the cultivation of students' practical ability, to adapt to the development of information technology in the new situation.

In the design and layout of Wireless Sensor Networks (WSNs), multiple Sink node locating is the key step in network topology. It is very important to control energy-consumption of network communication. By analyzing the layout of Sink node model, an improved three chain hybrid genetic algorithm is proposed to solve the Sink node’s optimal location problem. The experimental results show that compared with the enumeration algorithm, the three chain hybrid genetic algorithm for the Sink node has better solutions and higher efficiency of the algorithm, which can reduce the energy consumption of wireless sensor networks and improve the network performance.

Using the top-down system analysis method, this paper expounds the design and development process of the MOOC website in Commerce Continuing Education College of Hunan University. The management of a variety of online teaching resources is achieved by controlling the authorities of administrator, teacher and student. The implementation and design of this system lays the foundation of the operation of MOOC website in Commerce Continuing Education College of Hunan University, providing good conditions to its development and popularization.

In computer supported environment, computer supported cooperative work is to complete a common task by a group. Its basic connotations are computer support for communication, cooperation and coordination. This article proposes a method of recording, analyzing and adding the test script, through the analysis of the work process of typical computer supported collaborative work platform.

According to the students' cognition and characteristics, this paper takes effective methods to cultivate students' interest in the teaching process, generating enthusiasm and intrinsic learning motivation of the program design. Students can select items according to interest, whose programming and application development capabilities can be trained in the process of project, achieving good results in teaching practice.

The traditional classroom teaching mode in colleges and universities is single and old. The rapid development of MOOCs stimulates the traditional teaching. The reform of classroom teaching mode of colleges and universities is particularly prominent in such environment. In this paper, the teaching mode of higher education institutions and MOOCs is integrated. "Online and offline" classroom teaching mode is proposed. Practice has proved that this model can more effectively improve the comprehensive quality of students, and achieve the purpose of personnel training.

As a kind of miniature teaching resources, micro-video course is the emerging popular way of learning. How to effectively use micro-video resources and deeply integrate with curriculum and teaching is to be solved urgently. This article analyzes from the perspective of propagation mode, through summarizing the basic educational mode, educational propagation mode of information age, and other micro-video educational propagation mode from scholar, to construct a set of relatively scientific and complete micro-video educational propagation mode, so as to promote the further micro-video course studies.

Android system is one of the most popular embedded operating systems, which has high market occupancy rate. With the continuous development of Internet technology in our country, smart home technology has popularized rapidly. The research is about the intelligent robot based on smart home. With the functions of the smart car, such as reloading, routing and photographing, an intelligent home software in Android terminal is developed with fun, practicability, and a certain commercial value.

With the advent of the“Internet+”Era, especially the popularity of mobile Internet and the rise of mobile social app result in the transformation of educational information from E-learning (digital Learning) to M-learning (mobile Learning). This paper firstly analyzes the characteristics of mobile learning under the background of " Internet + social "; and then builds the mobile learning community platform using Moso Teach app, WeChat group, WeChat public platform and QQ group. Finally it explores the strategies and measures in practical teaching, puts forward the difficulties in mobile learning community teaching, in order to provide reference and ideas for the occupation education informatization teaching.

After collecting data from Turing Award official website, Wikipedia, Baidu encyclopedia, Wanfang Database, this paper carries out statistics on fundamental information of Turing Award winners by drawing on the academic results of previous studies. Then it describes the general situation of the total number of prize winners, organizations, research fields and so on. It also further analyzes the data and makes prediction for the future Turing Award winners.

This paper gives a review on the application of digital fingerprint technology, and the domestic and international research work on this topic. Firstly, it briefly introduces a digital fingerprint system and its application in intelligence protection. And then it introduces the traditional digital fingerprinting technology and the new fingerprint technology based on multi user communication technology. It points out the shortcomings of current digital fingerprinting technology, and proposes that the development direction of digital fingerprint technology in the future is to research anti collusion attack using communication technology perspective as a starting point.

The current network software development has the problems of complex process, large network framework procedures, and large development costs. Based on the socket communication on the windows platform, this paper puts forward a lightweight high performance network communication component Isocket. It uses IOCP as the server-side, and EventSelect as the clientside, simplifying the original network framework. It designs the Agent component, providing interface service for the client and server. It designs the API interface based on Eventselect model, increasing the applicability of procedures integration, achieving a complete package of the communication of underlying network framework. It provides a new simplified method to increase the universality of software development and reduce the learning cost and development difficulty for developers.

Particle swarm optimization algorithm plays an important role in cognitive radio spectrum allocation. It can only work in continuous and unconstrained condition. And there are the problems of premature convergence and slow convergence speed, which are not effectively resolved. In order to effectively solve these problems, this article analyzes and improves the premature convergence problem of particle swarm optimization (PSO), successfully applying particle swarm optimization (PSO) algorithm to solve the problem of spectrum allocation. Considering the system total broadband returns and the fairness of user access, the corresponding objective function is established, the feasibility and superiority of this algorithm are proved.

With the arrival of knowledge economy and information era, the colleges and universities have engaged in the campus informationization construction. This paper mainly introduces the basic content, current situation and existing problems of information construction in universities, and puts forward the corresponding measures to solve the problems.

With the rapid development of network information technology, network security technology gradually begins to attract the public attention. As the core technology in network security technology, information encryption also gets certain development. This article analyzes the information encryption and puts forward the development direction of information encryption technology, hoping to further promote the development of network security technology and protect the network security of our country.

As an important product of the combination of computer technology and the Internet, cloud computing has opened a new round of technological revolution in the field of IT and information. However, cloud computing has a lot of risk problems. There are still many vulnerability problems under the current regulatory network environment, producing a huge threat for the information security of the network users. In order to solve this problem, it is imminent to carry out the user authentication security analysis in the background of cloud computing. This paper will focus on the cloud computing security problems and puts forward some specific measures.

In order to solve the problems of library resources and services that can be used by the readers of University library at any time and at any place in the mobile Internet era, this system uses Sina App Engine and Android platform to build a mobile library. On the whole, the system is divided into the user side and administrator side, which are used to meet the needs of users and administrators. Users can access to the library more convenient and flexible, to accomplish the most functions of the traditional Library Web sites and mobile website system; at the same time, the library management staff can manage the library resources and services at any time and at any place by using the intelligent terminal equipment. The system greatly improves the library management level and work efficiency.

The development of data centralized management and cross application flow makes the data migration technology of heterogeneous database become more and more important. This paper proposes a universal data transfer method, which can remotely extract the application system data written by Delphi, effectively protect the data validity and compatibility in migration process. It is conducive to data sharing and reuse.

Based on the actual situation of website building, the B/S architecture and ASP are used to design an academic competition management system. Combined with the system requirements, the databases and system modules such as signing up, releasing information, uploading works and managing winner lists are designed. The system has strong practicality and scalability, making the information management and services more efficient and reasonable.

Man-hours management is a basis of production management work, which influences on the arrangement and adjustment of production tasks. Metro is a typical discrete product, whose parts is numerous and has complex assembly processes. The man-hours management system works in the production process, to improve the quality of product. This paper shows the implementation and application of man-hours management system in CRRC HANGZHOU CO.,LTD. The result shows that the production time of a single metro vehicle cuts down 1958.5 hours, the production efficiency is improved by 20.7%, and the direct economic benefits of enterprise is up to 5 million each year.

Android mobile devices and mobile applications testing are very common and very important. This paper begins with a brief analysis of android mobile phone testing situation, then proposes an automatic testing system based on phone remote control is to solve the current problems. Then it introduces the features, architecture, technology and automated script execution flow of the system. Practice shows that the system can improve test efficiency and accuracy of test results, reduce the technical requirements for testers, overcome the shortcomings of the ordinary phone automation testing tools.

It is significant for the GPS positioning system to control the vehicle and analyzes the congestion. But there are bad values in GPS sampling data, easy to produce large error on the analysis results, thus affecting the traffic management decision. This paper completes the original data segment, field extraction and bad values cleaning using Gauss mixture model, K- means clustering analysis and SOM self-organizing neural network separately. Thees three methods are mainly used for data clustering analysis, cleaning the isolated points according to the results. The results show that the recognition accuracy of Gauss clustering and K- clustering algorithm is less than SOM self-organizing neural network, but the operating efficiency of the first two algorithms is better than the latter.

The network has become the biggest knowledge base and contains a lot of valuable information. The presentation form of Internet information is diversified. How to discover valuable page is top priority of information extraction and the foundation of building knowledge base. Based on the Internet model, this article researches how to discover valuable pages using Pagerank algorithm in Hadoop platform saving time and space, to provide solutions for knowledge base construction.

VLAN technology is a basic technology in current network construction, which is also an important content in the network course. In order to make students better master the VLAN technology, this article designs a suit of VLAN project which is from shallow to deep, and combined with the practice. Results show that the teaching of this project achieves good results.

This paper introduces the functions and features of storyline2, introduces the production process of interactive multimedia courseware with specific case, in order to provide reference for teachers with no programming basis in the development of interactive network courseware.

Based on the position demands for urban rail traffic, this paper analyzes the network professional job skills, and analyzes the corresponding relationship between professional skills and curriculum design. The curriculum framework is constructed, laying the foundation for urban rail control professional standard and talent cultivation construction project.

Taking the college student innovation training project "group Skynet technology entrepreneurship training program" for example, the entrepreneurial consciousness and skills of students majored in network engineering are strengthened, and their entrepreneurial enthusiasm is inspired with the power of technology to establish a scientific concept of entrepreneurship, employment and growth.

The current cloud computing attains more and more attention in vocational education. We should improve the level of its application by increasing the research. This paper introduces the basic concept of cloud computing, and its characteristics and connotation, analyzes the problems existing in the informatization of vocational education and the importance of cloud computing applications in vocational education informatization promotion. Finally it puts forward some application analysis, hoping to be helpful to the development of vocational education informatization.

This paper proposes to establish the computer lab based on IOS platform, simulating the IOS devices running in computer through the program development. Student can carry out the experiment management, experiment guidance, question answering, timely communication and report generation by simulated training. It helps students learn IOS software development technology better, faster and more conveniently.

The Integration of LAMS and Moodle is applied to the E-Learning platform of technical school. The integrated teaching process is designed based on LAMS and Moodle platform. The integrated teaching model, namely "student as main body, taskdriven, group collaboration, teacher guidance", is build. The teaching strategies and teaching methods are actively adjust, which not only can effectively improve the teaching quality, but also meet the needs of high-quality technology applied talents training in technical schools. What is more, it adapts to the requirements of“Internet + education”era.

According to the reliability testing requirements in the third-party testing of the government service platform, combined with the system characteristics and user needs, this paper uses the software reliability testing methods to carry out the test design and evaluation for government service platform. The reliability of government service platform is verified from maturity, fault tolerance and recoverability.

Through an on-the-spot investigation of the Shanghai people's square, subway station, Xinzhuang town and Luhui town, the governance of base station radiation and pseudo base station is analyzed. The improvement of the related problems is concluded. Action is the key of eliminating the fear of base station radiation for people. Only walking into the community to come up with the actual data can make people really accept it with peace of mind. The management of pseudo base station needs resident positively report for junk SMS in addition to strengthening the attack by relevant departments.

This article expounds the meaning and status of the informatization of education and training in electric power enterprise, and puts forward measures for the informatization management of education and training in electric power enterprise from management information and learning content planning, training management information system and knowledge management system.

Software testing has very important meaning for the overall quality and performance of software. This paper firstly analyzes the software testing technology and software testing management, and then puts forward specific methods to solve the problems in software testing technology. This paper has a positive effect on software testing and management personnel.

In view of the problems existing in the development of software engineering technology in the network era, this paper discusses and analyzes on the problems, and proposes the countermeasures. It also forecasts the development trend of software engineering technology.

The emergence of cloud computing has brought great convenience for people's work and life. It achieves the sharing of resources with Internet, but there are also many problems. The information is often related to sensitive data or user's personal privacy. Once the data leaks, it will cause some adverse effects on the enterprises or individuals. So the protection of information security is particularly important. In this paper, the current problems of data privacy protection in the cloud are analyzed, and some pertinent suggestions and the corresponding data security measures are put forward.