• Title/Summary/Keyword: 과학기술 데이터

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A Case Study of the Audio-Visual Archives System Development and Management (시청각(사진/동영상) 기록물 관리를 위한 시스템 구축과 운영 사례 연구)

  • Shin, Dong-Hyeon;Jung, Se-Young;Kim, Seon-Heon
    • Journal of Korean Society of Archives and Records Management
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    • v.9 no.1
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    • pp.33-50
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    • 2009
  • ADD(Agency for Defense Development) has developed digital audio-visual archives management system to ensure easy access and long-term preservation for digital audio-visual archives. This paper covers total process of the system development and database management in the aspect of preservation and utilization by users' easy search through digitization of audio-visual archives. In detail, it contains system design for images and video data handling, standard workflow establishment, data quality, and metadata settings for database by converting an analog data into digital format. Also, this study emphasizes the importance of audio-visual archives management system through cost-effectiveness analysis.

A Proposal on Cryptographic Synchronization for T4 Link Encryption (T4급 링크 암호에 적합한 암호 동기방식 제안)

  • Lee, HoonJae;Kim, KiHwan;Kang, YongJin;Lee, Sang-Gon;Ryu, Young-Jae
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.22 no.1
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    • pp.202-210
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    • 2018
  • The modern battlefield is being developed as a network-centric warfare where priority is given to rapid status grasp and power deployment through scientification and modernization. Therefore, tactical data link has been continuously improving the network speed, and recently, security technology is required for wireless communication with the UAV and various devices for reconnaissance. In addition, the future information warfare will utilize advanced IT technology positively. Efforts are needed to integrate various systems and networks. However, these efforts are meaningful only when they can assume sufficient security in a newly changing information and communication environment. In this paper, we propose a new cryptographic synchronization for link encryption suitable for tactical data links. The proposed cryptographic synchronization is useful for T4 UAV link encryption, and it is also adaptable for lower BER, then we analyze the performances analysis of that.

Implement remote video monitoring system to sports coaching for athletes Based of IP-Camera (IP카메라기반의 운동선수 코칭용 원격 영상모니터링 시스템)

  • Park, Cheon-Il;Kim, Kyeong-Tae;Kim, Sang-Gi;Kang, Joon-Sang;Seo, SeungBeom;Lee, Jung-Hoon;Lee, Seung-Youn;Lim, Yun-Sik;Yu, Young-Sik;Kim, Joon-Won;Lee, Jong-Hoon;Lee, Jong-Sung;Lee, Seon-Hee;Cha, Jae-Sang
    • Journal of Satellite, Information and Communications
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    • v.8 no.2
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    • pp.6-11
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    • 2013
  • Recently sports science is various attempts to improve the athletes' performances. Above all they collect a results for the data and analyze the movement of the players after the game. Based on this, they are utilized to complement the vulnerability and how to improve. However, this way is not able to understand the movement a player and the flow of the game in real time. Because they are analyzed to match results based on the data. Therefore it is possible to managed for performance enhancement used to IT technology during the game in real-time.

Feature-based Gene Classification and Region Clustering using Gene Expression Grid Data in Mouse Hippocampal Region (쥐 해마의 유전자 발현 그리드 데이터를 이용한 특징기반 유전자 분류 및 영역 군집화)

  • Kang, Mi-Sun;Kim, HyeRyun;Lee, Sukchan;Kim, Myoung-Hee
    • Journal of KIISE
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    • v.43 no.1
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    • pp.54-60
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    • 2016
  • Brain gene expression information is closely related to the structural and functional characteristics of the brain. Thus, extensive research has been carried out on the relationship between gene expression patterns and the brain's structural organization. In this study, Principal Component Analysis was used to extract features of gene expression patterns, and genes were automatically classified by spatial distribution. Voxels were then clustered with classified specific region expressed genes. Finally, we visualized the clustering results for mouse hippocampal region gene expression with the Allen Brain Atlas. This experiment allowed us to classify the region-specific gene expression of the mouse hippocampal region and provided visualization of clustering results and a brain atlas in an integrated manner. This study has the potential to allow neuroscientists to search for experimental groups of genes more quickly and design an effective test according to the new form of data. It is also expected that it will enable the discovery of a more specific sub-region beyond the current known anatomical regions of the brain.

A Development of System for water supply in the Agricultural Purpose of Bank-high Reservoir (농업용 둑높임저수지 운영시스템 개발)

  • Kim, Hae-Do;Lee, Kwang-Ya;Joo, Jin-Hun;Lim, Hyung-Chang
    • Proceedings of the Korea Water Resources Association Conference
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    • 2012.05a
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    • pp.188-188
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    • 2012
  • 기존 농업용저수지는 농업용수 공급이라는 단일한 목적으로 비교적 간단하게 운영되어왔다. 그러나 둑높이기사업 후 기존 농업용수를 공급함과 동시에 하천유지용수를 연중 공급해야 하기 때문에 경험적 물관리로는 갈수기간 동안의 물관리 및 홍수기 동안의 저수율 조정 문제를 해결할 수 없다. 따라서 기왕의 경험적 용수공급에서 탈피하고 가이드라인에 의한 공급이 이루어져야 용수목적별 공급이 원활하게 이루어질 수 있으며, 이를 위해서는 물수지 분석 등 기술적으로 분석해야하는 과정을 종합하여 관리자가 쉽게 운영할 수 있도록 의사지원체계가 구축되어야 한다. 본 연구는 둑높임저수지 운영데이터를 구축하고 저수지 운영곡선을 프로그램화 하여 현장 계측데이터를 연계한 물관리 의사지원 시스템을 개발하였다. 본 시스템은 지리정보시스템을 기반으로 작성되었으며, 운영물수지 프로그램이 모듈로 구축되어 농업용수와 하천유지용수 등 용수목적별로 월별 공급량을 계획하여 운영자 및 유관기관에게 제공하는데 있다. 기존 설계용량산정 프로그램을 기반으로 운영에 필요한 운영 물수지분석 모델을 개발하였으며, 이를 기반으로 둑높임저수지의 일부 사업지구에 대한 운영곡선을 프로그램화 하였다. 시스템 개발은 분석에 필요한 정보를 DB화하고, 이를 활용한 운영물수지분석, 운영곡선 모의 등을 수행할 수 있도록 구축되었다. 물관리 센터-현장을 연계하여 운영할 수 있는 의사지원 모듈 즉, 센터에서 운영기준과 운영계획량을 수립(모의)하고, 이에 따라 조견표, 개도율로 현장을 운영할 수 있도록 단순화하였다. 추가적으로 스마트 단말기를 통해 홍수기 업무지원이 가능토록 기능을 구현하였다. 본 시스템은 가이드라인에 의한 농업용저수지 운영관리라는 관점에서 유일한 시스템으로 유역별 환경변화 인자와 현장운영 경험치를 적용한 첫 번째 사례이다. 또한 관행적 물관리에서 탈피하여 과학적 수자원 관리로 국가 물관리 정책수립에 필요한 의사결정지원에 활용될 예정이다.

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Exporting and IPR Creation Use of Firms (기업의 수출활동과 지식재산권 창출활용)

  • Rho, Sung-Ho
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.9 no.7
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    • pp.891-900
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    • 2019
  • In this paper, we investigate the relationship between IPR creation and export activity. And we try to examine the effects of IPR use as innovation on export performance. The dataset used in the empirical analysis are the annual "Survey of Business Activity(2006~2014)" panel data which include total of 6,144 samples of firms. Data set includes the sample characteristic such as employee, industry, export performance, possession/use/development of IPR. According to analysis results, this paper confirms that R&D and export activities of firms make positive effects on IPR creation. In addition, this paper finds that IPR use of firms make positive effects on firm's export performance. Exporting firms achieve higher export performance by developing new products and processes to enter and compete in overseas markets. In addition, exporting firms can achieve higher performance by using intellectual property rights to appropriate innovation outcomes in foreign markets and to exclude the possibility of patent disputes in advance.

Study on Data Normalization and Representation for Quantitative Analysis of EEG Signals (뇌파 신호의 정량적 분석을 위한 데이터 정규화 및 표현기법 연구)

  • Hwang, Taehun;Kim, Jin Heon
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.9 no.6
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    • pp.729-738
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    • 2019
  • Recently, we aim to improve the quality of virtual reality contents based on quantitative analysis results of emotions through combination of emotional recognition field and virtual reality field. Emotions are analyzed based on the participant's vital signs. Much research has been done in terms of signal analysis, but the methodology for quantifying emotions has not been fully discussed. In this paper, we propose a normalization function design and expression method to quantify the emotion between various bio - signals. Use the Brute force algorithm to find the optimal parameters of the normalization function and improve the confidence score of the parameters found using the true and false scores defined in this paper. As a result, it is possible to automate the parameter determination of the bio-signal normalization function depending on the experience, and the emotion can be analyzed quantitatively based on this.

Image retrieval based on a combination of deep learning and behavior ontology for reducing semantic gap (시맨틱 갭을 줄이기 위한 딥러닝과 행위 온톨로지의 결합 기반 이미지 검색)

  • Lee, Seung;Jung, Hye-Wuk
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.9 no.11
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    • pp.1133-1144
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    • 2019
  • Recently, the amount of image on the Internet has rapidly increased, due to the advancement of smart devices and various approaches to effective image retrieval have been researched under these situation. Existing image retrieval methods simply detect the objects in a image and carry out image retrieval based on the label of each object. Therefore, the semantic gap occurs between the image desired by a user and the image obtained from the retrieval result. To reduce the semantic gap in image retrievals, we connect the module for multiple objects classification based on deep learning with the module for human behavior classification. And we combine the connected modules with a behavior ontology. That is to say, we propose an image retrieval system considering the relationship between objects by using the combination of deep learning and behavior ontology. We analyzed the experiment results using walking and running data to take into account dynamic behaviors in images. The proposed method can be extended to the study of automatic annotation generation of images that can improve the accuracy of image retrieval results.

Removal of Clutter from Doppler Radar Signal to Measure Accurate Muzzle Velocity (도플러 레이더를 이용한 포구속도 계측 시 클러터 제거 방법)

  • Kim, Hyoung-rae
    • Journal of Advanced Navigation Technology
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    • v.23 no.2
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    • pp.142-150
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    • 2019
  • Muzzle Velocity is one of the most important measurement items for evaluation of ammunition. The muzzle velocity is defined as the velocity when the projectile leaves the muzzle. Particularly, since the muzzle velocity is closely related to the performance of the propellant, precise measurement of muzzle velocity is required. Doppler radar is used to measure the muzzle velocity, but the quality of Doppler radar signal depends on the test site environment. In this paper, a method to remove the clutter that degrades the signal quality of Doppler radar by improving the structure of the test site and the signal processing method is suggested. For the application of the improved signal processing method, a program for acquiring Doppler radar's raw Doppler data was created. Statistical verification of the velocity data obtained through the improvement of the test site structure and signal processing method proved that the proposed method is effective for the removal of clutter as compared with the existing method.

Analysis of Factors Affecting Medication Adherence to Improve Life Care in Patients with Hypertension (고혈압 환자의 라이프케어 증진을 위한 약물 순응도 영향요인 분석)

  • Gil, Eun-Ha
    • Journal of Korea Entertainment Industry Association
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    • v.14 no.2
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    • pp.213-224
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    • 2020
  • Purpose: This study is a descriptive and secondary analytical study that uses panel data to identify the factors of medication adherence to improve life care of hypertensive patients. Methods: The subjects of this study were 2,484 patients who were taking medication after hypertension using Korea Medical Panel 2015 data (β-version 1.0). Data analysis was performed using Chi-Square, Scheffe's test, and logistic regression using SPSS/win 22.0. Results: The level of medication adherence in patients with hypertension was 94.2%. The factors of medication adherence were gender and age in Model I of demographic factors, and the presence of disability, smoking, and drinking in Model II. Model III, which added drug use factors, was identified as drinking, drug duration, side effects, drug satisfaction, and payment of drug costs. Conclusion: In order to improve life care for hypertension patients, education and interventions on the importance of take medication and side effects of medications and how to take them will be needed in the early stages of diagnosis.