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High-transfer-rate high-capacity holographic disk data-storage system

Sergei S. Orlov, William Phillips, Eric Bjornson, Yuzuru Takashima, Padma Sundaram, Lambertus Hesselink, Robert Okas, Darren Kwan, Raymond Snyder
2004 Applied Optics  
We describe the design and implementation of a high-data-rate high-capacity digital holographic storage disk system.  ...  Various system design trade-offs that affect density and data-rate performance are described and analyzed.  ...  In digital holographic storage 2 information is encoded in the form of binary data pages, which include modulation channel coding, data interleaving, and error correction.  ... 
doi:10.1364/ao.43.004902 pmid:15449477 fatcat:5rzdwgnahjdezgknhga2mhiqne

A dynamic signature technique for multimedia databases

F. Rabitti, P. Zezula
1990 Proceedings of the 13th annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR '90  
A signature file acts us a filtering mechanism to reduce the amount of data that needs to be searched during query evaluation.  ...  Even though several techniques for organizing and searching signature files have been proposed in literature, they  ...  Superimposed coding of the words contained in the textual part of the docum ent is used as text signature extraction method.  ... 
doi:10.1145/96749.98223 dblp:conf/sigir/RabittiZ90 fatcat:pse3akvaljajjlywnhxrzlv4su

Page 118 of American Documentation Vol. 7, Issue 2 [page]

1956 American Documentation  
Documents such as patents and in- ternal reports are indexed by a combination of numerical decimal codes and superimposed random patterns punched in one or more IBM cards.  ...  The Australian Patent Office has de- veloped a method of coding the component ideas of an invention and has applied it to mechanized searching with punched cards.  ... 

Quantum Learning Based Nonrandom Superimposed Coding for Secure Wireless Access in 5G URLLC [article]

Dongyang Xu, Pinyi Ren
2021 arXiv   pre-print
We in this paper propose a quantum learning based nonrandom superimposed coding method to encode and decode pilots on multidimensional resources, such that the uncertainty of attacks can be learned quickly  ...  those users under access collision and to maintain precise channel estimation required for reliable data transmission.  ...  This finding is important for future decoding method design since it provides a framework of modelling and resolving attack uncertainty imposed on information coding. 3) Performance Analysis: Novel analytical  ... 
arXiv:2101.09712v1 fatcat:adwzcdu2ibhjjiea54naoc7en4

Correlation-Based Multiplexing of Complex Amplitude Data Pages in a Holographic Storage System Using Digital Holographic Techniques

Teruyoshi Nobukawa, Takanori Nomura
2017 Polymers  
However, most of conventional holographic storage systems encode digital data onto the amplitude alone because there are difficulties for modulating and detecting the phase.  ...  Owing to this characteristic, digital data can be encoded onto the complex amplitude of a signal beam in holographic data storage.  ...  The authors discussed results and contributed to the writing of the manuscript. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/polym9080375 pmid:30971047 pmcid:PMC6418671 fatcat:hkkgbfviwjbubmqxbjjcpys2di

Unbalanced Big Data-Compatible Cloud Storage Method Based on Redundancy Elimination Technology

Tingting Yu, Baiyuan Ding
2022 Scientific Programming  
The results show that the method in this paper has high data deduplication rate and data deduplication speed rate and low data storage space and effectively reduces the burden of data storage.  ...  In order to meet the requirements of users in terms of speed, capacity, storage efficiency, and security, with the goal of improving data redundancy and reducing data storage space, an unbalanced big data  ...  Taking unbalanced big data as the main research object, it is hoped that the analysis of cloud storage technology will lay the foundation for further promotion of computer cloud computing data storage  ... 
doi:10.1155/2022/1371778 fatcat:zrifjmg3y5f3fd5wcradm2kzs4

Abstracts of Current Computer Literature

1969 IEEE transactions on computers  
of Information Systems 6383 Information Measure for Classification 6396 PEEKABIT Superimposed Coding for Nat- ural Language Searching by Computer 6399 -see also Codes, Data, Retrieval Input-Output  ...  Abstract Random Automata 6352 Operation of Linear Transformer Trees for Decoding 6370 Statistical Encoding of Attribute Infor- mation for Classification 6396 PEEKABIT Superimposed Coding for Nat-  ... 
doi:10.1109/t-c.1969.222537 fatcat:yogv2lr73be65iqipqwh3bmem4

A Multi-Image Encryption Based on Sinusoidal Coding Frequency Multiplexing and Deep Learning

Qi Li, Xiangfeng Meng, Yongkai Yin, Huazheng Wu
2021 Sensors  
The efficiency of the proposed encryption method is proved in terms of histogram analysis, adjacent pixels correlation analysis, anti-noise attack analysis and resistance to occlusion attacks analysis.  ...  In this paper, a new multi-image encryption method based on sinusoidal stripe coding frequency multiplexing and deep learning is proposed to realize the encryption of a greater number of images.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s21186178 pmid:34577385 fatcat:7szhw2om7rhsjco5rlw2c53j4q

Abstracts of Current Computer Literature

1970 IEEE transactions on computers  
Algorithm for an Information Retrieval System Based on Superimposed Coding 7632 -see also Files, Retrieval Sequences Method of Testing Sequences of Pseudo-Random Numbers for Randomness 7648 see also Stochastic  ...  Random superimposed coding of machine derived "roots" of the full vocabulary is used to generate an easily updatable and very compact code file. No thesaurus or dictionary of terms is needed.  ... 
doi:10.1109/t-c.1970.222960 fatcat:ire5kgre7fch5ppqcmq2bjesvi

Application of Key Technologies of Distributed Storage Based on the Internet of Things in Urban Fire Protection

Weibin Yin, Zhongjie Han, Yueliang Feng, Gang Zhou, Yunchao Shen, M Pallikonda Rajasekaran
2022 Scientific Programming  
After technical analysis, a visualization framework was installed, which has the characteristics of global vector grid integration and distributed spatial data.  ...  of urban geospatial data.  ...  In other words, hot data uses a replication strategy, while cold data uses erasure coding technology. Key Technology Design of Distributed Storage 3.1. Distributed Storage VGE Architecture.  ... 
doi:10.1155/2022/9381139 fatcat:kxf6ufttd5gl3hqgv2h3in6ziq

Intelligent Distributed Data Storage for Wireless Communications in B5G Networks

Yajuan Tang, Shiwei Lai, Yanyi Rao, Wen Zhou, Fusheng Zhu, Liming Chen, Dan Deng, Jing Wang, Tao Cui, Yuwei Zhang, Jun Liu, Di Wu (+18 others)
2022 EAI Endorsed Transactions on Mobile Communications and Applications  
This paper analyzes the research status of data storage, studies the real field distributed storage computing system, and designs the corresponding flashback shift code and error correction scheme with  ...  With the deployment and commercialization of the fifth-generation (5G) mobile communication network, the access nodes and data volume of wireless network show a massive and blowout growth trend.  ...  of data storage, and conducted an in-depth analysis from multiple perspectives of exploring the improvement of storage efficiency and data update efficiency.  ... 
doi:10.4108/eetmca.v7i2.2415 fatcat:sxur6mqwxvbephlshkltro3qwu

nCode GlyphWorks Software Use for Test Data Processing

Mykola Stashkiv, Oleksandr Matsiuk
2021 International Workshop on Information Technologies: Theoretical and Applied Problems  
The results of test data correction by the abovementioned methods have intercommunicated very well.  ...  The data have been processed by nCode GlyphWorks software aimed at preparation for the further use of the obtained results to estimate the structure durability.  ...  , measurements data and analysis results storage are being solved); good metrological characteristics.  ... 
dblp:conf/ittap/StashkivM21 fatcat:gomsmifx7bgxhk6udv4m77befi

Data Processing by Optical Coincidence: This unconventional use of punched cards provides a flexible and rapid means for hand tabulation

J. D. Campbell, H. S. Caron
1961 Science  
Storage of data is ac- complished by punching holes on cate- gory cards. For ease of processing it is convenient to record data on code sheets prior to punching.  ...  are obtained (sj In applying this system to data analysis we use punched cards as a medium for storage, but again the system differs from conventional pro- cedures, for the storage system is or- ganized  ... 
doi:10.1126/science.133.3461.1333 pmid:17744948 fatcat:3n3no72dozarlboagor6wy6mam

Measuring 3-dimensional tooth movement with a 3-dimensional surface laser scanner

Badri Thiruvenkatachari, Mariam Al-Abdallah, Noreen C. Akram, Jonathan Sandler, Kevin O'Brien
2009 American Journal of Orthodontics and Dentofacial Orthopedics  
Methods: A method of superimposing pretreatment and posttreatment models on the palatal rugae was developed, and an experimental model was prepared to evaluate the accuracy and reliability of the laser  ...  The study model analysis showed that mesial molar movements were 1.38 mm on the right side and 1.11 mm on the left side for the implant group, and 2.24 mm on right side and 1.63 mm on left side for the  ...  We thank Brian Daber and David Watts for their help with the experimental model.  ... 
doi:10.1016/j.ajodo.2007.03.040 pmid:19361734 fatcat:cxi33mj6jbdfxi5rhgqsmaeage

Integrated structural analysis for rapid design support

1987 Journal of Spacecraft and Rockets  
Other specific codes, having broader applications, include DISCO-II for 6-degree- of-freedom dynamic analyses of separating bodies, NEWTON for transient, steady-state, and random, modal response analysis  ...  -OCT. 1987 CAL FILE DATASET INTEGRATED STRUCTURAL ANALYSIS FOR RAPID DESIGN DATASET 1 RECORD ACCESS TABLE DATASET 2 DATA RECORDS DISK STORAGE om RECORD ACCESS TABLE Fig. 3 Nominal data structure.  ... 
doi:10.2514/3.25933 fatcat:hpuoxnkcwze6tis7ynmtf36s3u
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