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检索条件"任意字段=Conference on Advances in Optical Data Storage Technology"

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advances in federal learning technology research 3

Advances in federal learning technology research

引用

3rd International conference on Machine Learning and Computer Application, ICMLCA 2022

作者： Jin, Houji Department of Computer Changshu Institute of Technology Changshu China

ISBN: (纸本)9781510664814

Along with the boom in data rights and the increasing number of responses to protect data privacy, scholars have begun to study the "data isolation" phenomenon while ensuring data privacy and security. Users upload source data to a high computing power cloud server for centralised training required by traditional machine learning algorithms, which leads to uncontrolled data theft and sensitive data leakage problems. By removing data barriers and collaborating on modelling utilizing data from several clients, federated learning has become a successful remedy for this issue. In this presentation, the history of federated learning is discussed, federated learning's precise defining categories is clarified, and its technological evolution is examined. How well training frameworks for federated learning, including the FedAvg, MOON, and Fedprox algorithms perform is assessed too. Finally, the current problems of federated learning algorithms and the future directions of development are also illustrated objectively. © 2023 SPIE.

关键词： Sensitive data

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Temperature analysis of lithium iron phosphate battery during operation based on electrochemical-thermal full coupling model

Temperature analysis of lithium iron phosphate battery durin...

引用

2023 International conference on Electronic Information Engineering and data Processing, EIEDP 2023

作者： Chu, WeiDa Tong, XingLin Zeng, FanChao Xu, Chong Wei, Bin Li, ZhenMing Liu, MingYang School of Information Engineering Wuhan University of Technology Hubei Wuhan China National Engineering Research Center of Fiber Optic Sensing Technology and Networks Wuhan University of Technology Hubei Wuhan China Energy Storage and Electrotechnics Department China Electric Power Research Institute Beijing China

ISBN: (纸本)9781510666160

In recent years, as a clean and efficient energy storage technology, lithium iron phosphate battery is widely used in large energy storage power stations, new energy vehicles and other fields. However, lithium-ion batteries still face obstacles that limit their application space. Once the temperature exceeds the working range of the battery, lithium iron phosphate battery will rapidly degrade, increasing the risk of facing fire and explosion and other safety problems. Multi-physical field full-coupling simulation is one of the important means to study the temperature of lithium iron phosphate battery operation process. Based on the electrochemical-thermal coupling full model of iron phosphate battery, this paper analyzes and studies the temperature change of battery operation process, and obtains the temperature change of battery under adiabatic and actual conditions, which provides a basis for solving the thermal management problem of lithium iron phosphate battery operation process. © 2023 SPIE.

关键词： Iron compounds

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Securing digital media: embedding and extracting encrypted digital watermarks using HTML5 Canvas

Securing digital media: embedding and extracting encrypted d...

引用

2024 International conference on Computer Network Security and Software Engineering, CNSSE 2024

作者： Xue, Tianbao Lan, Quanxiang School of Mathematics and Computer Science Panzhihua University Sichuan China

ISBN: (纸本)9781510680234

With the development of digital media technology, the security and copyright protection of media files have become particularly important. This article proposes an encrypted digital watermark technology based on HTML5 Canvas and JavaScript, which can embed and extract digital watermarks from images in the field of front-end development. In addition, this article discusses the necessity of combining encryption technology with digital watermark technology to provide a security protection mechanism for data security. The paper then introduces in detail the process of using HTML5 Canvas and JavaScript to operate image pixels to implement encrypted digital watermark embedding and extraction, and achieve covert embedding of data by modifying the least significant bit (LSB) of image pixels. Finally, by comparing the visual differences of the images before and after the experiment and measuring the PSNR value of each group of experimental images, it can be concluded that the encrypted digital watermark technology can effectively hide and transmit encrypted information while maintaining the visual quality of the image, and is suitable for copyright protection of images. and covert communication, etc., which have high practical application value in the field of Web front-end. © 2024 SPIE.

关键词： Digital storage

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Research and Application of Smart Home-based Care System Based on Internet of Things technology 3

Research and Application of Smart Home-based Care System Bas...

引用

3rd International conference on Internet of Things and Smart City, IoTSC 2023

作者： Liu, Bingzhan Wang, Liangliang Shandong Institute of Commerce and Technology Shandong Province Jinan City250013 China

ISBN: (纸本)9781510666375

As the overwhelming choice of Chinese families, home-based care has the advantages of convenience, economy and high efficiency. However, there are also some shortcomings, such as low professional level, poor emergency ability and limited time and space environment. In this regard, the paper aims at improving the effectiveness of home-based care service, and builds a home-based care system based on the Internet of Things technology, which provides a reference prototype for the service model and realization path of smart care. The whole system is B/S architecture, and the front end is an interactive page, which supports community management or medical staff to manage the aged care service. The back-end is the system server, which is developed by the framework of SpringBoot2 under Javaweb technology, aiming at completing the call and control of various data information. In addition, for all kinds of intelligent sensors and monitoring devices involved in home-based care services, real-time data collection and uploading will be completed by WIFI communication technology under MQTT protocol, and the data storage and management will be completed by relying on cloud platform technology. After simulation test, the functions of the system run smoothly and can meet the actual needs of smart home-based care services. © 2023 SPIE.

关键词： Digital storage

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Development and application of computer software technology under big data technology

Development and application of computer software technology ...

引用

2022 International conference on Mechanisms and Robotics, ICMAR 2022

作者： Liu, Guolan Zhang, Li Wan, Huan Jiangxi Tourism & Commerce Vocational College Jiangxi Nanchang330100 China

ISBN: (纸本)9781510657328

This paper mainly analyzes the important role and core technology in the development and application of computer software technology in the era of big data, and systematically analyzes network storage technology, information security technology and network communication technology. Computer software technology is also divided into two core functions, including cloud storage technology and virtualization technology. Cloud storage technology can use the general cloud computing server to store and manage data information, form a systematic data information structure, and greatly meet the content storage requirements of computer software. Virtualization technology is to optimize the resource allocation of resources in the database and improve the operability of computer software technology. © 2022 SPIE.

关键词： Big data

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Performance Evaluation of Free Space optical Link for Multi Impairments 5

Performance Evaluation of Free Space Optical Link for Multi ...

引用

5th IEEE International conference on advances in Computing, Communication Control and Networking, ICAC3N 2023

作者： Kaur, Tanmeet Kaur, Sanmukh Amity University Amity School Of Engineering And Technology Uttar Pradesh Noida India Greater Noida Institute Of Engineering And Technology Uttar Pradesh Greater Noida India

ISBN: (纸本)9798350330861

Free space optics (FSO) is viewed as a promising contender to enhance and combine with next-generation technologies like 5 G networks. FSO uses light signals to travel through free space. Light signals are modulated by the data signal. Although FSO have numerous benefits but it is adversely affected by weather conditions. This paper presents a brief review on FSO system and the attenuation in response to wavelength and range fluctuations. Effectiveness of FSO has been evaluated under different weather situations like fog, clouds, and rain. © 2023 IEEE.

关键词： 5G mobile communication systems

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CP-ABE Access Control Scheme Supporting data Permission Management in IOT 6

CP-ABE Access Control Scheme Supporting Data Permission Mana...

引用

6th International conference on Computer Information Science and Application technology, CISAT 2023

作者： Ruan, Ou Hu, Yiqing School of Computer Science Hubei University of Technology Wuhan China

ISBN: (纸本)9781510668546

With the flourishing development of the Internet of Things (IoT), IoT devices are becoming increasingly connected with people. IoT devices are constantly collecting and transmitting large amounts of private information, and there is a need for data access control and secure data sharing. Since ciphertext policy attribute-based encryption (CP-ABE) is an end-to-end encryption solution, CP-ABE-based access control methods can effectively meet the data security sharing requirements in the IoT environment. However, existing CP-ABE access control methods are difficult to implement data access control. There are no standardized data access control solutions, and redundant storage of data can occur. This study addresses the issue that existing CP-ABE access control methods have difficulty in achieving data permission management. A CP-ABE access control scheme that supports data permission management is designed. To support data permission management, the data is partitioned into key-value pairs. A data permission management policy is designed based on the access control policy, which not only sets the access policy but also specifies the data unit scope of authorized users. The CP-ABE algorithm is used to encrypt the set of encrypted data unit keys in the policy, replacing the redundant storage of data units with keys. This study formulates a standardized data permission management scheme based on the CP-ABE access control scheme, effectively reducing data redundancy storages. © 2023 SPIE.

关键词： Access control

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Tunable Sparing of Disks in a Cloud data Center 7

Tunable Sparing of Disks in a Cloud Data Center

引用

7th International conference on Computer Applications in Electrical Engineering-Recent advances, CERA 2023

作者： Malawat, Rohit Modi, Shrey Vishwakarma, Rahul Indian Institute of Technology Roorkee Department of Material Science and Metallurgy Roorkee India California State University Long Beach Department of Computer Engineering & Computer Science Long Beach United States California State Uni. Long Beach Department of Computer Engineering & Computer Science Long BeachCA United States

ISBN: (纸本)9798350305005

Disk Drive failure tolerance and optimum utilization of disks for storage are two of the most important challenges in the Cloud based data center. Addressing both these problems simultaneously can be tricky. To make the system failure tolerant, more storage needs to be added;this results in redundancy of storage. Providing a safety net for the disk is important to make sure that the disk can still operate. Therefore, we propose a novel drive sparing mechanism which not only provides failure tolerance by maintaining the optimal number of spare drives in the storage system, but also deals with over-provisioned spare. The method first identifies the critical disks that may fail in the RAID group based on the Venn-ABERS framework which helps us to know about the conditional probability of the disk failure, and then implements a variable sparing mechanism where a few disks act as dual-purpose disks. We demonstrate variable sparing using two cases, first when minimum spare pool is sufficient, and second, when minimum spare pool is not sufficient for failure tolerance. By proactively addressing potential failure points, the drives are able to extend their lifespan and enhance reliability when the variable sparing is utilized. In this paper, we explain the mechanism of variable sparing of disks and share results of an evaluation experiment using an open-source dataset by utilizing our prototype system. © 2023 IEEE.

关键词： Digital storage

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optical Pseudo-Image Encryption with Enhanced Plaintext Correlation 3

Optical Pseudo-Image Encryption with Enhanced Plaintext Corr...

引用

3rd International conference on Optics and Image Processing, ICOIP 2023

作者： Zhang, Yabin Jin, Zhiwen Lei, Liu College of Information and Communication Engineering Harbin Engineering University Heilongjiang Harbin150001 China Key Laboratory of Advanced Marine Communication and Information Technology Ministry of Industry and Information Technology Harbin Engineering University Heilongjiang Harbin150001 China

ISBN: (纸本)9781510667426

In this research process, in order to improve the ability of interference-based optical image encryption system to resist chosen plaintext attacks, we propose an optical pseudo-image encryption algorithm to enhance the correlation of plaintext. In this work, we introduce an addictional key, which is highly correlated with the secret image. The key can dynamically update the random phase plate and break the linear relationship between the input and output of the optical encryption system, so that the system will not be cracked by chosen plaintext attacks. Furthermore, the number of keys is reduced through improved sine chaos mapping, so that the encryption system can reduce the amount of key storage data while improving the security of the system. © 2023 SPIE. All rights reserved.

关键词： optical correlation

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FWM mitigation in 2.56 Tb DWDM-OTDM optical link employing modified duobinary modulation and dispersion compensation

FWM mitigation in 2.56 Tb DWDM-OTDM optical link employing m...

引用

2023 International conference on Recent advances in Electrical, Electronics and Digital Healthcare Technologies, REEDCON 2023

作者： Parashuram Kumar, Chakresh University School of Information Communication & Technology Guru Gobind Singh Indraprastha University New Delhi110078 India

ISBN: (纸本)9781665493826

In this paper, FWM reduction in 40 Gbps DWDM-OTDM optical network of 64 channels with 50 GHz frequency spacing is analyzed using modified duobinary return-to-zero (MDRZ) modulation. Due to the decrease in channel spacing, the nonlinearity in the fiber such as Four-Wave Mixing (FWM) increases due to which the performance of dense wavelength division multiplexing (DWDM) optical link degrades. Therefore, FWM reduction has significant role in enhancing the spectral efficiency to increase the bandwidth for long-haul communication. Symmetrical compensation technique is used to diminish the FWM and OTDM is used for expansion of the users per channel. The spectral efficiency of proposed system has been improved by increasing the transmission length of quality signal. Optimized system is simulated using OptSim simulator and examined under dispersion compensation management to reduce the nonlinearities. Modulation is enhanced and unequal channel spacing is incorporated to reduce the FWM. 40 Gbps MDRZ data is inferred by CW laser of -15 dBm to 15 dBm varied power. optical link performance is interpreted by measuring Q-factor and BER. © 2023 IEEE.

关键词： Bit error rate

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