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A product code in steganography with improved embedding rate

A product code in steganography with improved embedding rate

引用

2016 ieee information technology,networking,electronic and automation control conference(ITNEC 2016)

作者： Lingyu Zhang Hongwei Li The State Key Laboratory of Information Security Institute of Information Engineering Chinese Academy of Sciences School of Mathematics and Statistics Henan Institute of Education

ISBN: (纸本)9781467391955

Product perfect codes(PPCs) have larger embedding rate than hamming codes by embedding messages into each row and the first columns in a hamming block, and them have been proven to enhance the performance of the F5 steganographic method. In this paper, the proposed modified product codes called MPC only considers single layer embedding method which is conforming to the steganography. It has been introduced as an efficient way to embed more data than PPCs only by increasing embedding columns for improving the embedding rate which is almost 1.33 times as much as PPC. On the other hand, a proposed technique with reducing the number of flipping is applied to improve MPC's embedding efficiency, and the performance of it outperforms the PPCs. Finally, the performance of the proposed methods is evaluated and compared with the other improved algorithms.

关键词： Product perfect codes(PPCs) proposed modified product codes(MPCs) ±1 steganography 2r2-1-r2 embedding columns

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Research and Design of Power Big Data Desensitization System Based on K-means++ Clustering Algorithm

Research and Design of Power Big Data Desensitization System...

引用

ieee information technology, networking, electronic and automation control conference

作者： Zhixu Zhao Yuan Ji Weibo Zheng Huajing Xie Yongbing Lian NARI Group Corporation/STATE GRID Electric Power Research Institute Nanjing NARI Information & Communication Technology Co. Ltd. Nanjing China

With the continuous advancement of our country’s scientific and technological level, social and economic level and power gird information construction level keep improving, the risk of massive data leakage generated during the operation of power gird has become increasingly prominent. Once the information and data related to sensitive businesses are stolen or modified by criminals, it will cause immeasurable major economic losses and serious social impact. Therefore, in view of the leakage risk faced by the current grid current grid business data of power companies, data leakage prevention technology should be fully used in the grid information construction to effectively prevent the leakage of grid business data, so as to ensure the security of grid operation data. Based on the K-means++ clustering algorithm, this paper studies and designs a power big data desensitization system. The system has very highly reliable and accuracy, and can realize automatic desensitization of sensitive data, which plays an important role in further improving the security and stability of power grid information construction.

关键词： Economics Concurrent computing Data privacy Clustering algorithms Power system stability Load management Power grids

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Multi-contact series type RF MEMS switch with low pull-down voltage for THz band 5

Multi-contact series type RF MEMS switch with low pull-down ...

引用

5th ieee Advanced information Management, Communicates, electronic and automation control conference, IMCEC 2022

作者： Li, Mingyue Feng, Hui Liu, Yijian Yang, Guangyao Zhang, Naibai Song, Ruiliang Chen, Da College of Electronics and Information Engineering Shandong University of Science and Technology Qingdao China Beijing Research and Development Center The 54th Research Institute China Electronics Technology Group Corporation Beijing China

ISBN: (纸本)9781665479677

Radio frequency Microelectromechanical systems (RF MEMS) switches have gained vast potential in wireless communication and military fields because of their high linearity, low insertion loss and high isolation. With the continuous development of communication technology, the requirements for wireless bandwidth have become increasingly prominent, and the original communication frequency band has become very crowded. As a result, the communication system has gradually shifted toward the terahertz band development, and has become the current research hotspot. However, the parasitic effect and skin effect of the switch is significantly enhanced as the frequency increases, resulting in a drastic deterioration of the isolation and insertion loss performance. In order to solve this problem, a series contact RF MEMS switch applied in THz band is studied in this paper. The switch adopts a double-end fixed beam with a uniform meandering spring structure, which effectively reduces the pull-down voltage of the switch. The microwave signal is transmitted by the discontinuous microstrip transmission line, and multiple metal contact structures are introduced to reduce the coupling capacitance, so as to increase the switch isolation and reduce the insertion loss. In this work, the key factors that affect the switch performance are analyzed, and the geometric parameters of the switch structure are parameterized to optimize the switch structure. The finite element simulation software are used to conduct electromagnetic and mechanical simulation of the switch, respectively. At the high frequency of 300-350 GHz, the pull-down voltage of the switch is 24 V, and the insertion loss is less than 1.3 dB, the isolation is better than 15.5 dB. The RF MEMS switch proposed in this paper has small size and excellent performance, which is easy to be integrated with other devices for high-frequency communication. © 2022 ieee.

关键词： MEMS

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Unified system for manufacturing process control and data collection

Unified system for manufacturing process control and data co...

引用

51st electronic Components and technology conference (ECTC)

作者： Bentlage, M Hamilton, B Neuberger, R IBM Corp Endicott Interconnect Prod Endicott NY 13760 USA

ISBN: (纸本)0780370384

In the Endicott manufacturing lines, there were many varied methods used for controlling process parameters, ranging from paper SPC charts to automated closed loop systems. There were 'islands of automation', many processes being, controlled or monitored using unrelated and incompatible tools. It was not possible to share data between processes, or even to merge data for statistical analyses. In many cases, it was not even possible to gain access to the data from an individual process. It was also pointed out that many processes did not have any controls in place at all, and some that were using paper SPC charts had no easy means of acquiring the data for further analysis. These disparities were recognized as problems which impeded the ability to effectively analyze defects and yield detractors and develop solutions for them. By either not having the right data collected, or not being able to access necessary data, engineers were constrained in their efforts to improve their processes. Recognizing the need for a central focus, two groups got together and formed a larger, cross functional ream to, once and for all, do it right. Meetings were held in the Endicott Decision Support Center with representatives of all of the involved organizations (Manufacturing Engineering, with detailed process knowledge, especially of critical process and product parameters;Quality Engineering, with statistical analysis and control techniques;Manufacturing, with implementation support;information Systems, with hardware / software infrastructure and databases;and Tool control Engineering, with machine and tool control expertise) to brainstorm together to identify current tools and techniques being used, current problems being encountered and potential solutions for the future. The primary objectives of this team were to consolidate the tools used for controlling manufacturing tools and processes;to minimize the variability in the manufacturing process parameters;to develop a method of s

关键词： Manufacturing data processing

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Stereo matching algorithm based on the combination of matching costs 7

Stereo matching algorithm based on the combination of matchi...

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7th ieee Annual International conference on CYBER technology in automation, control, and Intelligent Systems, CYBER 2017

作者： Ende, Wang Yalong, Zhu Liangyu, Peng Yijun, Li Tianyao, Wu Shenyang Institute of Automation Chinese Academy of Sciences Shenyang110016 China Key Laboratory of Opto-Electronic Information Processing CAS Shenyang110016 China Key Lab of Image Understanding and Computer Vision Liaoning Province Shenyang110016 China College of Electrical Engineering Yanshan University Qinhuangdao066004 China School of Metallurgy Northeastern University Shenyang110819 China

ISBN: (纸本)9781538604892

Aiming at solving the problem of low accuracy of weak texture region and disparity discontinuous region and sensitivity to illumination caused by existing local stereo matching algorithm, a new stereo matching algorithm based on the combination of Sum of Absolute Difference algorithm and Absolute Difference of Gradient algorithm is presented here. Using the average of the pixels in the disparity range to apply adaptive weight to the SAD part. The new algorithm can adaptively adjust each part of the cost function in the proportion of the total cost function according to the different texture, illumination characteristics of image. Moreover, we use the semiglobal matching algorithm to calculate the cost of 8 directions, to carry out optimized processing on disparity image, finally a dense disparity map is obtained. The experimental results shows that the proposed method not only improve accuracy of stereo matching, but also has well results in weak texture region and disparity discontinuous region. © 2017 ieee.

关键词： Textures

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Blink detection and duration estimation by using adaptive threshold with considering individual difference

Blink detection and duration estimation by using adaptive th...

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2021 ieee International conference on Real-Time Computing and Robotics, RCAR 2021

作者： Liang, Ruitao Song, Qi Beijing Jiaotong University School of Electronic and Information Engineering Beijing100044 China Beijing Jiaotong University School of Electronic and Information Engineering State Key Lab of Rail Traffic Control Safety Beijing100044 China

ISBN: (纸本)9781665436786

This paper investigates the real-time detection and duration estimation of blink with considering the individual difference. Based on Kalman filter and depth feature thresholds, an adaptive threshold method which can achieve real-time detection is derived to account for the characteristics variation in different individuals and periods. Moreover, the resultant method can not only specify the position of the blink, but also estimate its duration. For blink detection task, the results are compared with the fixed threshold method and some other methods tested by the same datasets. The experiment results confirm that the proposed method is superior to the fixed threshold method in detection performance, and the results compared with other methods show its promising potential in balancing real-time and detection performance. For duration estimation task, the results show the effectiveness of the proposed method evaluated by Mean absolute error. © 2021 ieee.

关键词： Signal detection

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The full parallax dynamical holographic display: a pure-phase-modulated holographic stereograms approach

The full parallax dynamical holographic display: a pure-phas...

引用

2016 ieee information technology,networking,electronic and automation control conference(ITNEC 2016)

作者： Xingpeng Yan Chuang Pei Jian Su Penglong Li Xiuying Ren Xiaoyu Jiang Department of Information Engineering Academy of Armored Forces Engineering Department of Technology 61135 Troops of PLA

ISBN: (纸本)9781467391955

A full parallax dynamical holographic display using pure phase-modulated hologram method based on LCo S is presented, and the full-parallax holographic stereogram is generated. The spectrums of holographic elements on the holographic stereogram plane are obtained from perspective images of objects. The pure-phase-modulated holographic element is proposed to eliminate the conjugate images. An optically reconstructed experiment using phase only SLM is implemented. The experimental results show that 3D object can be constructed successfully with the proposed method.

关键词： full parallax phase-modulated conjugate image holographic stereogram

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Research on switched reluctance motor speed control system with variable universe fuzzy PID

Research on switched reluctance motor speed control system w...

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ieee information technology, networking, electronic and automation control conference

作者： Yong Cheng Peng Li School of Electrical and Control Engineering Xi’ an University of Science and Technology

ISBN: (数字)9781728143903

ISBN: (纸本)9781728143910

Switched reluctance motor (SRM) have strong nonlinear characteristics, and there are unknown parameter fluctuations and external load disturbances in the speed control system. In order to achieve better speed control performance, the variable universe fuzzy adaptive control algorithm is introduced as the speed controller of SRM, and the hysteresis PWM direct instantaneous torque control is introduced as the internal torque controller. Finally, the experiment proves the validity of the algorithm, which shows that the variable universe fuzzy adaptive controller can effectively improve the adaptability of SRM system to parameter fluctuation and the robustness to external load disturbance.

关键词： Torque Reluctance motors PI control PD control Adaptive systems Hysteresis Velocity control

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Toward Delegating the Detection of DDOS Attacks to the SDN Data Plane: A Security Perspective 20

Toward Delegating the Detection of DDOS Attacks to the SDN D...

引用

20th International Computer conference on Wavelet Active Media technology and information Processing, ICCWAMTIP 2023

作者： Setitra, Mohamed Ali Madoune, Sid Ali Abidine Bensalem, Zine El Fan, Mingyu University of Electronic Science and Technology of China Chengdu611731 China School of Information and Communication Engineering University of Electronic Science and Technology of China Chengdu611731 China

ISBN: (纸本)9798350318982

With the widespread adoption of Software-Defined networking (SDN) infrastructures that give a flexible architecture and make this network more reliable, network security has become a critical concern. Expressly, the control Plane assumes a crucial role within this architecture and is often regarded as the brain of SDN. However, due to this centralization, the control Plane is often the target of Distributed Denial of Service (DDoS) attack attacks, which are increasingly sophisticated. In the same context, most DDoS solutions are concentrated in the control Plane, which has many other tasks and responsibilities. This study investigates the potential advantages and obstacles associated with relocating DDoS attack detection to the data plane, aligning with the growing prevalence of Programmable Data Planes utilizing the Programming Protocol-Independent Packet Processors (P4) language. To optimize resource utilization in combatting DDoS attacks. © 2023 ieee.

关键词： Denial-of-service attack

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Pallet rental information system based on RFID

Pallet rental information system based on RFID

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2009 4th ieee conference on Industrial electronics and Applications, ICIEA 2009

作者： Qinghua, Zhang Jun, Wei Guoquan, Cheng Zhuan, Wang Dawei, Yan Shanshan, Zhao School of Mechanical Engineering University of Science and Technology Beijing Beijing China

ISBN: (纸本)9781424428007

Pallet pooling system establishes a considerable number of pallet recycling stations throughout the country to recycle and maintain the pallets. The main advantages of the pallet pooling system are greatly improving the logistics efficiency by achieving pallet through transport, reducing the total number of social pallets by renting the pallets and can reduce the cost of the international logistics. RFID (Radio Frequency Identification) is one of the automatic identification technologies. RFID utilizes the non-contact data exchange to identify the object, which has many advantages such as rapid identification, wear-free, out of the environmental impact, long life, etc. RFID has been developing quickly at home and abroad, which has been widely used in many fields such as industrial automation, commercial automation, control and management of transport. In this paper, the author describes how to use RFID technology on pallets for information management in pallet rental system. Firstly, the author introduces orderly what pallet rental system is, why we need to establish pallet rental system, how to establish such a system, why we should make use of RFID technology and how to use RFID technology in the pallet rental information system;Secondly, the author makes an analysis on the overall structure of the system, information flow and business process in the pallet rental system;Finally the author gives an application of pallet rental information system based on RFID. © 2009 ieee.

关键词： electronic data interchange

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