• Title/Summary/Keyword: CodeX

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Design and Implementation of Reed-Solomon Code for 2-Dimensional Bar Code System (Reed-Solomon 알고리즈을 이용한 2차원 바코드 시스템에서 오류 극복 기능 설계 및 구현)

  • Jang, Seung-Ju
    • The Transactions of the Korea Information Processing Society
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    • v.7 no.5
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    • pp.1491-1499
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    • 2000
  • This paper is designed and implemented the data recovery mechanism for 2-D (2-dimensional) bar code system. The data recovery algorithm used the modified Reed-Solomon algorithm and it is implemented into 2-D bar code system. There are 7 types of 2-D bar code system, which are 21x21, 25x25, 41x41, 73x73, 101x101, 177x177. This paper has been experimented that how many data is saved among several 2-D bar code types and how many data re recovered. In the first experiment, the big size 2-D bar code system has many ECC codeword. Therefore, original data cannot be assigned to 2-D bar code system. In the second experiment, even if 35∼40% loss dta for the 2-D bar code system, the 2-D bar code system could have been recovered to original data.

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Implementation of Distributed Computing System using ActiveX Technology (ActiveX 기술을 이용한 분산 컴퓨팅 시스템 구현)

  • Song, Min-Gyu;Byun, Do-Young;Je, Do-Heung;Kim, Kwang-Dong;Roh, Duk-Gyoo;Oh, Se-Jin;Lee, Bo-Ahn
    • Proceedings of the KIEE Conference
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    • 2004.11c
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    • pp.462-464
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    • 2004
  • ActiveX is the general name for a set of Microsoft Technologies that allows users to re-use code and link individual programs together to suit their computing needs. In addition ActiveX technology Provides a standard model for interapplication communication that different programming language. ActiveX is based on COM(Component Object Model), the COM standard allow developer to create code and application from a multitude of different languages and build a defined interface to that code, making it easily accessible by other application. By using ActiveX, user can access the functionality of other applications running remote computer distributed through the network and communicate over the network to build distributed applications. LabVIEW provides access to other Windows applications using ActiveX technologies. So in this paper we implement distributed application using ActiveX technology for remote control and monitoring.

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Augmented QSBC(Quantum Short-Block Code)-QURC(Quantum Unity-Rate Code)(II) with Pauli X,Y,Z error detection (파울리 X,Y,Z 오류검출 기능을 갖는 증강된 QSBC(Quantum Short-Block Code)-QURC(Quantum Unity-Rate Code)(II))

  • Dong-Young Park;Sang-Min Suh;Baek-Ki Kim
    • The Journal of the Korea institute of electronic communication sciences
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    • v.18 no.3
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    • pp.495-508
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    • 2023
  • This paper proposes a method to find out the type and location information of Pauli X, Y, Z errors generated in quantum channels using only the quantum information processing part of the multiple-rate quantum turbo short-block code without external help from the classical information processing part. In order to obtain the location information of the Pauli X,Y error, n-auxiliary qubits and n-CNOT gates were inserted into the C[n,k,2] QSBC-QURC encoder. As a result, the maximum coding rate is limited to about 1/2 as the trade-off characteristics. The location information of the Pauli Z error for C[n,k,2] QSBC-QURC was obtained through the Clifford-based stabilizer measurement. The proposed method inherits all other characteristics of C[n,k,2] QSBC-QURC except for the coding rate.

CompGenX: Component Code Generation System based on GenVoca and XML (CompGenX: GenVoca와 XML 기반의 컴포넌트 코드 생성 시스템)

  • Choi Seung-Hoon
    • Journal of Internet Computing and Services
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    • v.4 no.3
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    • pp.57-67
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    • 2003
  • Software product lines are to attain the rapid development of qualify applications by concretizing the general components populated in software assets and assembling them according to the predefined architectures. For supporting the construction of the software product lines, this paper proposes a component code generation techniques based on GenVoca architecture and XML/XSLT technologies, In addition, CompGenX(Component Generator using XML), a component code generation system, is proposed on the basis of this techniques. By providing reconfigurability of component at the time of code generation, CompGenX allows the reusers to create the component source code that is appropriate to their purpose, In this system, the process of the component development is divided into two tasks which are the component family construction task and the component reuse task, For the component family construction, CompGenX provides the feature modeling tool for domain analysis and the domain architecture definition tool. Also, it provides the tool for building the component configuration know1edge specification and the code templates, For the component reuse task, it offers the component family search tool. the component customizing tool and the component code generator. Component code generation techniques and system in this paper should be applicable as basic technology to build the component-based software product lines.

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A Syndrome-distribution decoding MOLS L$_{p}$ codes

  • Hahn, S.;Kim, D.G.;Kim, Y.S.
    • Communications of Mathematical Education
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    • v.6
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    • pp.371-381
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    • 1997
  • Let p be an odd prime number. We introduce simple and useful decoding algorithm for orthogonal Latin square codes of order p. Let H be the parity check matrix of orthogonal Latin square code. For any x ${\in}$ GF(p)$^{n}$, we call xH$^{T}$ the syndrome of x. This method is based on the syndrome decoding for linear codes. In L$_{p}$, we need to find the first and the second coordinates of codeword in order to correct the errored received vector.

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A Design of an Embedded Microprocessor with Variable Length Instruction Mode (가변길이 명령어 모드를 갖는 Embedded Microprocessor의 설계)

  • 박기현;오민석;이광엽;한진호;김영수;배영환;조한진
    • Journal of the Institute of Electronics Engineers of Korea SD
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    • v.41 no.4
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    • pp.83-90
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    • 2004
  • In this paper, we proposed a new instruction set(X32Y ISA) with 3 different types of instruction mode. The proposed instruction set organizes 32-bit, 24-bit, 16-bit instruction in order to solves a problem of memory size limitation in an embedded microprocessor. We designed a 32-bit 5 stage pipeline RISC microprocessor based on the X32V ISA. To verify the proposed the X32V ISA and a microprocessor, we estimated a program code size of multimedia application programs using a X32V simulator. In result, we verified that the Light mode and the Ultra Light mode obtains 8%, 27% reduction of a program code size through comparison with the Default mode. The proposed microprocessor was verified all X32V instructions execution at Xilinx FPGA with 33MHz operating frequency,

A Study on the Causes of Injury Codes by Case-Based Injury Code of External Causes Frequency Analysis (사례 중심의 손상코드 별 손상외인코드 빈도수 분석에 따른 손상코드 발생 원인에 관한 연구)

  • Eun-Mee Choi;Hye-Eun Jin;Jin-Hyoung Jeong
    • The Journal of Korea Institute of Information, Electronics, and Communication Technology
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    • v.16 no.1
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    • pp.50-59
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    • 2023
  • The purpose of this study was to analyze the patients hospitalized with damage by injury code based on data for two years in 2020 and 2021 of A institution located in Gangneung, Gangwon-do. Analyzed the injury codes with a large number of occurrences per year, and analyzed the injury codes of external causes accordingly. The cause of the injury code was analyzed by analyzing the frequency of the injury code of external causes. Injury code S0650 had the highest frequency of injury code of external causes W189 and X5999, which was judged to be the cause of traumatic subdural hemorrhage without open intracranial wounds when falling in an unspecified place or toilet. Injury code S72120 had the highest frequency of injury code of external causes W010 and W180, and it was judged to be the cause of obstructive femoral intertrochanteric fracture that occurs when falling in the residence. The injury code S32090 had a high frequency of X5999, and it was analyzed that it caused the obstructive fracture of the lumbar region due to an accident caused by exposure in an unspecified place, and the injury code S72.090 had a high frequency of W010 and W180. It was confirmed that the cause of the obstructive fracture of the femoral neck was mainly caused by slipping or slipping in the residence, and the injury code S0220 had a high frequency of the injury code of external causes Y049, and it was confirmed that the fibula was fractured mainly by the force or fist. As such, the cause of the injury code was analyzed by analyzing the frequency of the injury code for each injury code of external causes.

A Study on the Hangul Character Code System for KS X 1001 Information Interchange considering AMI/HDB-3 Line Encoding and HDLC Flag (AMI/HDB-3 회선부호화 및 HDLC FLAG를 고려한 KS X 1001 정보교환용 한글낱자 부호체계 개선연구)

  • Woo, Je-Teak;Hong, Wan-Pyo
    • The Journal of the Korea institute of electronic communication sciences
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    • v.10 no.1
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    • pp.65-72
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    • 2015
  • AMI / HDB-3 method used a scrambling technique is used primarily for long distance data transmission line encoding. In this paper, information communication code standard (KS X 1001; 2014 confirmation), as defined in Hangul Character Code HDLC Flag bit or character stuffing at the data link layer and physical layer with respect to the code set for Hangul AMI / HDB-3 the code set for the new system to increase the data transmission efficiency Hangul consonant and vowel tables presented in terms of scrambling. The result of the existing system and the code set ($4{\times}4$) bit source coding rules for comparing the frequency of use Hangul consonant and vowel tables and statistics showed that about 22.01% of the data processing efficiency is improved.

Research on Applying Code Signing Technology to National PKI (코드 서명 기술의 국내 PKI 적용 방안 비교 연구)

  • Lee, Rae;Lee, Dong-Hoon
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.14 no.3
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    • pp.27-40
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    • 2004
  • Nowadays most web rages provide various services by downloading the applications program such as ActiveX Control or Java Applet. To provide code integrity and publisher authentication of downloaded software in internet, we need code signing technology. In this paper, Authenticode technology of Microsoft is lust analyzed. Based on the analysis, we propose code signing certificate profile and applying method for National Public Key Infrastructure.

Establishment of Cosmetic Raw Material Weighing and Bulk Manufacturing Management System Using Bar Code, QR Code and Database (바코드, 큐알코드와 데이터베이스를 활용한 화장품 원료 칭량 및 벌크제조 관리시스템 구축)

  • Lee, Chung-Hee;Bae, Jun-Tae;Hong, Jin-Tae
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.45 no.3
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    • pp.277-285
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    • 2019
  • In this study, effective cosmetic raw material weighing and bulk manufacturing management system were constructed by using bar code or quick response code (QR code) and database. Raw material labels and weighing labels for bulk manufacturing were published in web environment using the information entered in the database using ScriptX, a print component of Medi&Co. By checking the weighing and manufacturing process by using scanner, tablet and PC, it was possible to remarkably improve the product error caused by erroneous amount or misapplication which is the most cause of error in the production of cosmetic bulk. In conclusion, applying a database that utilizes bar code and QR code to cosmetics manufacturing can reduce the various problems in the process, thereby improving quality control and productivity of cosmetics.