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A novel image steganography method using chaotic map and human visual model is presented in DCT domain. Firstly each 8×8 image block is performed Discrete Cosine Transform, then the location of image block that is embedded secret message is determined by the chaotic map. Finally the secret message is...

In order to solve the problem of how to improve the scalability of data processing capabilities and the data availability which encountered by data mining techniques for Data-intensive computing, a new method of tree learning is presented in this paper. By introducing the MapReduce, the tree learning...

In recent years, with the well-known real estate development enterprises sinking into the third and fourth-tier cities, it is of great practical significance to study the relationship between the real estate industry and the economic development of the underdeveloped areas. In this paper, taking Heyuan...

In recent years, China's economy has developed rapidly and made many achievements. However, the economic development of China's various regions is uneven, and the gap in per capita GDP is large. Therefore, each region needs to formulate different development plans according to its own economic...

Driven by the wave of economic globalization, some multinational corporations are transferring their industries to China to expand their global market and increase profits, which brings economic benefit growth to themselves and gives rise to huge and irreversible pollution to China’s environment. Although...

Personal data is now routinely flowing between legal jurisdictions, making the personal data of residents in each country particularly vulnerable to acquisition by foreign intelligence services. As a result, barriers to cross-border data flows are spreading globally due to security concerns. For example,...

China is a multi-ethnic country, each nationality has its own unique and brilliant traditional culture, and the pattern of national costume is an important part of it. The costume patterns of China's ethnic minorities are rich and colorful. Through various techniques such as embroidery, printing,...

This dissertation would be mainly discussing the rhetorical meaning of the “rose” in William Faulkner’s preeminent works, A Rose for Emily. William Faulkner has always been renowned for its virtuoso in describing the mentioned matter from multiple perspectives, in resorting to stream of consciousness,...

At present, China has gradually entered the era of new media. With the extensive application of computer and internet technology, people can easily search and access to information. It provides a channel for ordinary people, and even the vulnerable groups to publish their viewpoints. As being affected...

With a growing trend of social aging, the issue of “empty-nest” elderly is increasingly serious and children are more eager to keep an eye on the living security of the elderly in real time. In light of the increasing demand on home security monitoring, the real-time performance of existing security...

Development of modern information technology has changed the traditional ways of production and business, during which a new business mode has emerged, that is, electronic commerce. With its unique advantages, e-commerce has been widely applied in a short time, which has also generated a group of e-commerce...

With the accelerated pace of life, fatigue has become a major factor affecting human health. But not a good way to monitor human fatigue. The results of studies to monitor brain waves of people to provide a new method of fatigue. ERP is a major method of brain wave studies, the paper with the subject...

In recent years, the tourism economy has been developing gradually and attracted the attention from all walks of life. Moreover, the allocation and management of resources have also been laid stress on. This paper introduces the development status of tourism economy in China, expounds the connotation...

With the development and improvement of Chinese Internet information technology level, network technology has been promoted to make new systems. It has not only played a very active role in various economic fields, but also led China into the door of the era of network economy. In the context of the...

Patent is one of the important ways to disclose scientific and technological innovation achievements. Compared with other types of scientific research achievements such as papers, patent achievements have more industrial value, and patent-related index information can better reflect the innovation ability...

In the process of economic operation, along with the cyclical changes, the various industries in the market also show a different development state. Therefore, in investment activities, the choice of industry is particularly important. When investing in the fund, whether the fund manager can choose the...

Hotel booking cancellation prediction is crucial in conducting revenue and resource management for hotels. This paper provides three possible substitutes for the neural network including logistic regression, k-Nearest Neighbor (k-NN), and CatBoost, whereas CatBoost, is the most suitable model for hotels...

In the age of Dazhiyiyun (i.e., big data, artificial intelligence, mobile Internet and cloud computing), the digital economy in China has developed more and more steadily, and relying on technological superiority, the digital transformation of enterprises has become a hot topic in the industry. In this...

With the rapid development of China's economy, the country pays more and more attention to the development of rural talents, and has achieved great success in China's rural areas. As rural grassroots female managers, multiple roles and responsibilities conflict and contain each other. It is...

In this paper, based on the 190 monitored city data released by the China National Environmental Monitoring Center in 2018, the optimal scale and factor analysis methods were selected to conduct in-depth research and analysis of urban air quality. The study found that: PM2.5 has a serious impact on air...

With the development of communication technology and network technology, M-learning has become a new learning mode following the digital learning and a new hot spot in the field of educational technology. Colleges still have many factors affecting M-learning while having a lot of advantages in the use...

A motor parameter measurement and testing system based on virtual instruments and C8051F340 microcontroller is developed. This system can sample dynamic signals including each phase voltage, current, speed, torque, and temperature with a high-speed. USB 2.0 is used for transmission, and by application...

The network era has gradually changed to the intelligent period, and all walks of life are undergoing profound changes. Education is closely related to the future and destiny of the country. In order to enable the government to lead the trend of the times, we must reform education promptly, on time....

In the process of sports athletes training and competition, they will inevitably have some wrong actions, if only rely on artificial methods to judge the accuracy of these actions, then there will be a great deviation. In the development and application of computer vision technology, it can effectively...

Since the 2008 financial crisis, regulation of the financial sector has been strengthened, including the establishment of strict standards for leverage regulation. At present, the global regulatory policy is gradually improved and developed under the Basel III framework. Basel III establishes a combination...

Through vissim simulation, we found that if the shape of the merging region is an isosceles trapezoid, the length of the merging region and the length of the straight line after the toll station are longer, the performance is better, but the cost will be increased accordingly. We analyzed the vehicle...

Permanent magnet synchronous motor (PMSM) driving stable platform directly is often used in guided rockets. Due to the extended state observe (ESO) contained in the active disturbance rejection controller (ADRC), it can estimate the speed of the rotated carrier and the uncertain disturbances accurately...

Liquid sloshing in tanks has many important applications in a variety of engineering fields. In this study, based on a CFD solver, a numerical model is developed to study the liquid water sloshing in two- and three-dimensional tanks. The VOF method is used to capture the fluid interface. In order to...

The effect of enhancement agents on the efficiency of electrokinetic (EK) remediation of contaminated soils has been extensively studied in the past few years. However, the larger scale ex suit EK remediation with enhancement agents has been rarely reported. In this study, medium-scale EK remediation...

Comprehensive geophysical prospecting has been widely used but the theoretical evidence has not been clear by most researchers. The paper shows out a one dimension seismic refraction simulation by ray-trace technology under a one dimension horizontal geo-model. And then using digital filter method and...

In recent years, computer and the network technology has been developing at breakneck speed, accompanied by a brand new digital era. With the further development of digitalization, an important issue has gradually emerged, that is, the security of digital content. In this context, a new digital technologies-digital...

With the rapid development of China's economy, advertising has already become the main means of businesses, enterprises and departments to promote their advertising. Using advertising to publish advertising has gradually been widely recognized and accepted by all people. In this context, through the...

In recent years, with the development and popularization of the Internet, specialty agricultural products have been increasingly developed towards the community, the e-commerce model of agricultural products based on various Internet platforms and Internet technologies has become an important model for...

The phenomenon of diversity is like a double-edged knife, on one hand, has a positive impact, namely, we have a wealth of diverse cultural treasures. But on the other hand, it has a negative impact because diversity can trigger conflict between community groups which in turn can lead to instability in...

The growing need for secure and decentralized file sharing systems has highlighted the drawbacks of many centralized storage solutions, most of which lack security, transparency, and user control. This paper presents Block share, a decentralized file storage and sharing system that leverages blockchain...

Employee engagement has long been recognized as a critical phenomenon that underpins the functioning and performance of companies. This study delves into the factors influencing employee engagement within one of the creative industries in Makassar City. The research investigates the impact of vigor,...

Searchable Encryption (SE) has become an important tool for secure data outsourcing. It allows keyword search operations on encrypted cloud data without exposing sensitive information. As Cloud Computing, Big Data, and the Internet of Things (IoT) grow, traditional encryption methods are less effective....

This paper discusses the factors including culture, economic, politics, population technology and regional structure of higher education which shaped the regional structure of graduate education and interacted with each other. It has been found that the method of path analysis and effect decomposition...

The development of Computational Fluid Dynamics (CFD) technology make people found the good point of compromise on the conflict of experiment and analysis,and air-lift artificial upwelling for deep ocean water efficiency is simulated with a simplified CFD model of two-phase flow in an upward pipe. The...

In wireless sensor network, the existing reinforcement learning routing algorithm usually optimize single goal and the process of route establishment is complex. It also has problem of data forwarding control overhead. In this paper, we present a dynamic adaptive routing algorithm with feedback learning...

For a class of nonlinear systems with uncertainty, a fuzzy sliding mode control method based on particle swarm algorithm, combined with the strong robustness of sliding mode control with fuzzy control is a good approximation capability, use the quasi sliding mode control make the system tracking error...

Great changes have taken place in the ranks of physical education teachers, especially in recent years, the reform of educational system has created favorable conditions for the development of physical education teachers. This paper analyzes the current situation of physical education in China, and concludes...

This paper presents a hybrid algorithm for the hot rolling scheduling problem, which is derived from the actual steel production, and some features make the solution methodology more difficult. The hybrid strategy is based on the solution construction mechanism of estimation of distribution algorithm...

At present, the domestic academic research mainly analyzes discourse from a linguistic or social point of view, and seldom studies discourse from the perspective of argumentation. In view of this, in the framework of Generalized Argumentation Theory, this article takes Jack Ma’s argumentative discourse...

As a new form of economy in the new era, the stall economy has brought new vitality to urban development. However, the rapid development of the stall economy has also brought a series of problems, among which spatial governance is one of the key factors affecting the healthy development of the stall...

Physical education is one area of learning in schools that has an important role The aim of this research is to determine the effectiveness of implementing the Automatic Bottle Filling and Closing Machine training kit based on Programmable Logic Controllers (PLC) in practical learning at Vocational High...

With the popularity of the Internet and the use of mobile terminals, college English teaching has entered the era of big data. Big data era also puts forward new requirements for college English teaching at the same time, as well as new opportunities. College English teaching resources, teaching tools...

This paper analyzed the content and distribution of Cadmium (Cd) in surface waters in Jiaozhou Bay in 1984. Results showed that Cd contents in the study area ranged from 0.06-0.20 μg L-1, and were meeting Grade I (1.00 μg L-1) in National Sea Water Quality Standard (GB 3097-1997), indicated that this...

Nowadays, with the rapid development of the internet, it becomes an important part in our daily life. In education field, online education has become a vital supplementary means in undergraduate course teaching. Undoubtedly,online teaching quality is vital to online teaching measurement and teaching...

The National Language Education is an important part of language education in multi-ethnic areas. The study used the WPPSI language scale to test the National Language of 35 ethnic minority children in each of Kindergartens A and B. Participants in kindergarten A took 4 months to enter kindergarten,...