• Title/Summary/Keyword: 아날로그 자료

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On the Paradox of Digital Collection Management in Libraries (디지털 장서관리의 패러독스 분석)

  • 윤희윤
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.14 no.1
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    • pp.5-24
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    • 2003
  • In recent years, electronic technologies are rapidly changing the library's approach to collection management. In digital age, collection is a hybrid, that is, a mix of analog materials and digital information resources. But electronic publications are both a blessing and a curse for libraries. And the rapid acceptance of electronic resources raises many misconceptions and myths about their capabilities. This paper analyzes the digital paradox of current collection management from six standpoints : production of digital informations : digital scholarly communication : digital access paradigm : acceptance of e-journal package web collection development : digital archiving. Nowadays the pragmatic view of library is a logical information gateway to its own services and those of other libraries and information providers. Libraries and librarians need a concept and strategies of the hybrid collection management that reflects digital reality.

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Minutiae Extraction Algorithms and Fingerprint Acquisition System using the Data Structure (자료구조를 이용한 지문인식시스템에서의 특이점 추출 알고리즘)

  • Park, Jong-Min;Lee, Jung-Oh
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.12 no.10
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    • pp.1787-1793
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    • 2008
  • Fingerprint Recognition System is made up of Off-line treatment and On-line treatment; the one is registering all the information of there trieving features which are retrieved in the digitalized fingerprint getting out of the analog fingerprint through the fingerprint acquisition device and the other is the treatment making the decision whether the users are approved to be accessed to the system or not with matching them with the fingerprint features which are retrieved and database from the input fingerprint when the users are approaching the system to use. In this paper, we propose a new data structure, called Union and Division, for processing binarized digital fingerprint image efficiently. We present a minutiae extraction algorithm that is using Union and Division and consists of binarization, noise removal, minutiae extraction stages.

Estimation of the sea bottom reflection coefficient using the low frequency source (저주파 음원을 이용한 해저면 반사계수 추정)

  • Choi Jee Woong;Na Jungyul;Oh Suntaek;Yoo Hae Soo
    • Proceedings of the Acoustical Society of Korea Conference
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    • autumn
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    • pp.287-292
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    • 1999
  • 동해 38도 10분N, 132도 00분E(site 1)과 38도 01분N, 132도 53분E(site2)에서 저주파수를 이용한 해상실험자료를 이용하여 해저면 음파반사 특성을 파악하였다. 음원으로는 한국해양연구소 온누리호에 장착되어 있는 총 11.31l의 부피를 가지는 에어건 array를 사용하였고 수신장치로는 총 56채널로 이루어진 아날로그 스트리머를 사용하였으며, 각 실험위치에서 3번씩 신호를 수신하였다. 관측해역에 대해 eigenray 모델을 이용하여 에어건에서부터 각 채널까지의 eigenray 정보를 파악한 후 해저면 반사계수를 산출하여 Rayleigh reflection 모델과 비교하였다. 비교 결과 Rayleigh reflection 모델은 해저면 반사 손실과 부합하는 것으로 나타났다.

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Desing and Implement e-learning WPL System based on SMIL (SMIL을 기반으로 한 교육용 WPL시스템 설계 및 구현)

  • Jeong Hye-Jin;Yoo Chun-Sik;Kim Yong-Sung
    • Proceedings of the Korea Information Processing Society Conference
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    • 2006.05a
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    • pp.805-808
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    • 2006
  • 현재 국내에서 웹을 기반으로 한 e-learning 콘텐츠는 많이 개발되고 있으나 이들 대부분이 매뉴얼 식으로 제작되어 멀티미디어 형식만 빌려 텍스트 형태로만 구성하는 방식이 주를 이루고 있는 실정이다. 따라서 본 논문에서는 SMIL을 기반으로하여 멀티미디어 아날로그와 디지털 자료를 융합할 수 있는 핵심 기술을 제안하며, 이를 웹 상에서 창의적이고, 자기주도적으로 개인차에 따라 학습 속도를 조절할 수 있는 프로젝트 학습기법을 국내 교육환경에 맞게 교수-학습 이론을 적용하여 설계 구현하였다.

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A Case Study of the Disaster Emergency Alert Broadcasting Systems in the Domestic (국내 재난경보방송 시스템 사례 조사)

  • Byun, Yoonkwan;Jeon, Inchan;Choi, Seongjong
    • Proceedings of the Korean Society of Broadcast Engineers Conference
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    • 2017.06a
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    • pp.177-179
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    • 2017
  • 우리나라는 2017 년 5 월부터 ATSC 3.0 표준에 기반한 지상파 UHD 서비스를 시작한다. 지상파 방송은 긴급한 재난 시 재난정보를 신속 정확하게 전달하여 국민의 피해를 줄일 수 있는 효과적인 매체이다. 본 고는 2000 년 이후 우리나라에서 개발했던 재난경보방송 시스템을 조사 분석한다. 우선 아날로그 방송을 활용한 사례를 간단히 조사하고, 지상파 DMB 재난경보방송 개발과정을 기술적, 정책적, 법적 관점에서 조사 분석한다. 분석 결과는 지상파 UHD 를 활용한 효과적인 재난방송 구축을 위한 정책 수립에 참고자료로 활용할 수 있을 것이다.

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Methods and Strategies of Digital Collection Development in Libraries (디지털 장서개발의 방법과 전략)

  • Yoon, Hee-Yoon
    • Journal of Korean Library and Information Science Society
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    • v.38 no.2
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    • pp.79-99
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    • 2007
  • The core competence of the library originates from the huge analog collections and the high-quality digital contents. And when the interaction between two entities strengthens, it will be able to secure the identity as the time capsule and the gateway of knowledge information. Based on these prerequisites, this research analyzed the spectra of digital collection development and presented the various strategies about license of the electronic journals, internet collection development, institutional repository. When the library does not concentrate in digital collection development, the position as information common will be under losing.

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Implementation of DVR system which applies watermarking technology based on DCT (DCT기반의 워터마킹 기술을 적용한 DVR 시스템 구현)

  • 김은식;최연성;채헌석
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2002.11a
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    • pp.244-248
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    • 2002
  • In the process of various appliance changing analogical way into digital way, we look over DVR in the field of security and supervision, and then suggest DVR system which use watermarking technology based on UT. It considers and embodies the ability of rapid processing and clear image which are required in real DVR market. At this point we have watermark in DVR file and guarantee none defectiveness so that it can be used as evidence of theft and etc.

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Method of Generating Digital Drawing through Sketch Recognition (스케치 인식을 통한 디지털 도면 생성 기법)

  • Oh, Soohyun;Lee, Seongjin
    • Proceedings of the Korean Society of Computer Information Conference
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    • 2019.07a
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    • pp.91-94
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    • 2019
  • 스케치를 거쳐 생성되는 디지털 자료로 건축도면이나 제품 디자인시안 등은 수요가 많음에도 불구하고 디지털 도면 자동생성에 대한 영상처리는 아직 연구되지 않고 있다. 현행 필기인식에 대한 영상처리 연구는 주로 글자나 숫자에 국한되어 있어 본 연구에서는 선으로 이루어진 필기를 인식하여 도면이라는 이진영상의 특징을 이용해 특징점을 도출하고 디지털 도면을 생성하는 영상처리를 제안한다. 먼저 입력받은 아날로그 스캔이미지를 메디안블러링과 OSTU임계처리로 노이즈가 없는 이진영상으로 변환한 후 해리스코너검출기를 이용하여 특징점을 검출하고 좌표를 추출하고, 좌표값을 활용해 외곽선과 내부윤곽선까지 구현하여 디지털도면을 양산한다.

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Evaluation of Validity of Edentulous Digital Model for Complete Denture Fabrication (총의치 제작을 위한 무치악 디지털 모형의 정확도 평가)

  • Kim, Won-Soo;Kim, Ki-Baek
    • Journal of dental hygiene science
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    • v.15 no.4
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    • pp.393-398
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    • 2015
  • One of the most critical causes in determining the clinical outcomes of dental prostheses is the validity of models. However, studies that evaluated validity of digital models are few. The objectives of this study were to evaluate validity of edentulous digital models for full denture fabrication. Twenty stone models (edentulous model) were manufactured and scanned by dental blue light emitting diode scanner. Twenty digital models were manufactured. Six linear distances (inter-canine distance, inter-molar distance, two dental arch lengths (right, left), two diagonal of dental arch lengths (right, left) were measured for validity evaluation. The measurements of distances of stone models were used by digital vernier caliper and digital models were used by computer program. The mean${\pm}$deviations values of six distances were calculated. The means were compared by the Mann Whitney U test (${\alpha}=0.05$). All statistical analysis were performed using IBM SPSS Statistics ver. 20.0. Although digital models were smaller than stone models in six distances, there were no significant differences (p>0.05) and non exceeded the clinical acceptable range. The edentulous digital models for full denture fabrication can be considered clinically acceptable.

A Study on Development of the Intelligent Bridge Maintenance System Using RFID (RFID를 이용한 지능형 교량 유지관리 시스템 개발에 관한 연구)

  • Jo, Byung-Wan;Lee, Yun-Sung;Kim, Heon;Lee, Dong-Woon
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.33 no.5
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    • pp.2107-2124
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    • 2013
  • The inspections that are being done on current bridges in our country are made to go through a process of being recorded on the management system and then converted by the computer. This has deteriorated the credibility of manual-analog types of data, inefficient care of information, and produced potential problems of the structures of bridges through subjective evaluations. In order to solve these troubles, this research has aimed at effectiveness, management, and convenience so that the inspector at the actual scene of the bridge structures will be able to achieve the primary purpose of infrastructure safety through precise supervision. To assist this, this study has suggested a state of the art IT intellectual management system that has applied RFID. This system has been designed to decrease the inspecting time on the actual scene, which will provide more time for efficient inspection and by using the converted DB, managing and utilizing high quality data will come naturally and through the objective evaluation, it will be possible to make exact judgments of the structures of the bridge. Also, regardless of the location, it has been found that the work performance was excellent through highly effective management.