• Title/Summary/Keyword: Web Image Server

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Construction of Information System for Cultural Heritages Management Using Web (웹을 이용한 문화재 관리 정보시스템 구축)

  • Jang, Ho-Sik;Roh, Tae-Ho;Lee, Jong-Chool
    • Journal of Korean Society for Geospatial Information Science
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    • v.12 no.1 s.28
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    • pp.63-68
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    • 2004
  • Since 20th century, the rapid growth in economy development and ill-advisable construction of infrastructure which causing injury of nature has generated an El Nino phenomenon problems. For this reason, establishment of heritage preservation plan is being required to prevent damages of important cultural assets from natural disaster. In this study, we obtained both 3D-dxf and VRML-wrl(which support 3D image) files from stone pagodas(stone cultural heritages) by using the digital photogrammetric program. Then database are formed by these two files with other attribute informations. And we made existing cultural heritages management information data format to be unified using JAVA, HTML, and Cosmo Player. Thus, we could construct the web-server for Cultural Heritages Management Information System to contribute not only effective management but also ease of use for expert or amateur user in using of cultural assets informations. And, in virtual reality system, we could make texture presented like as actual texture by using the VRML program.

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Design and Implementation of Internet Spatial Data Service Component based Open GIS Specification (개방형 GIS 기반 인터넷 공간 데이터서비스 컴포넌트의 설계 및 구현)

  • Choi, Sang-Kil;Lee, Jin-Kyu;Lee, Jong-Won;Kim, Jang-Su
    • Journal of Korea Spatial Information System Society
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    • v.1 no.2 s.2
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    • pp.21-31
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    • 1999
  • In accordance with the completion of the spatial database building works in the central and/or local government authorities as well as the rapid popularization of various information services through internet, it is heavily required to provide spatial information services through World Wide Web. To provide a qualified spatial information service, it is crucial to have a Web-based GIS (Geographic Information Service) service system equipped with the publicity, the convenient accessibility, and the easy-to-use user interface. In this paper, we introduce a new component system for Web-based spatial information services based on the OpenGIS Simple Feature specification for OLE/COM[3] and OLE DB specification[4]. The important functionality of a Web-based spatial information service system includes its accessibility of various existing GIS server system and huge databases in addition to the resolution of response-time delay problems caused by transmitting a large amount of digital maps via internet[6]. To cope with these problems, our component system has been designed to access heterogeneous databases in transparent manner and to support vector-based and/or image-based image production techniques for shortening transmission time.

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A Scheduling Algorithm using The Priority of Broker for Improving The Performance of Semantic Web-based Visual Media Retrieval Framework (분산시각 미디어 검색 프레임워크의 성능향상을 위한 브로커 서버 우선순위를 이용한 라운드 로빈 스케줄링 기법)

  • Shim, Jun-Yong;Won, Jae-Hoon;Kim, Se-Chang;Kim, Jung-Sun
    • Journal of KIISE:Software and Applications
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    • v.35 no.1
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    • pp.22-32
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    • 2008
  • To overcome the weakness of the image retrieval system using the existing Ontology and the distributed image based on the database having a simple structure, HERMES was suggested to ensure the self-control of various image suppliers and support the image retrieval based on semantic, the mentioned framework could not solve the problems which are not considered the deterioration in the capacity and scalability when many users connect to broker server simultaneously. In this paper the tables are written which in the case numerous users connect at the same time to the supply analogous level of services without the deterioration in the capacity installs Broker servers and then measures the performance time of each inner Broker Component through Monitoring System and saved and decides the ranking in saved data. As many Query performances are dispersed into several Servers User inputted from the users Interface with reference to Broker Ranking Table, Load Balancing system improving reliability in capacity is proposed. Through the experiment, the scheduling technique has proved that this schedule is faster than existing techniques.

Implementation and Performance Testing of a Broadcasting System using Webcams and Smartphones (웹캠과 스마트폰을 이용한 브로드 캐스팅 시스템 구현 및 성능 실험)

  • Kim, Jeong-Myeong;Park, Geun-Duk
    • Journal of the Korea Society of Computer and Information
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    • v.18 no.12
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    • pp.35-43
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    • 2013
  • This paper suggests a way to implement a system that broadcasts compressed JPEG images obtained from a webcam to multiple users on their smartphones. The system was implemented to maintain a suitable image quality so that things are identifiable while using the minimal amount of data, in order to deliver as many frames as possible to as many users as possible. Also, the suggested way was applied and various tests were done, including on: the performance of the server that provides image information; the performance of the client that receives the image information and displays it on the smartphone; and the max. number of simultaneous users supported by the system. When a broadcasting system is implemented using webcams and smartphones, the results of this paper can be used in estimating the suitable system parameters depending on network performance, including the max. number of simultaneous clients supported, the client smartphone performance required, and the number of frames that can be transmitted per second.

Design and Implementation of Mobile Contents to provide Marine Leisure Information (해양레저정보를 제공하기 위한 모바일 콘텐츠의 설계 및 구현)

  • Jeong, Seong-Hoon
    • Journal of Advanced Navigation Technology
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    • v.13 no.1
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    • pp.11-18
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    • 2009
  • As a marine leisure industry has being developed and demands for leisure culture have rapidly increased, the needs for services offering marine safety and related information are growing. Accordingly, in the study I developed the contents providing server to support this with ENC agent who presents geographical information of digitalized Electronic Nautical Chart satisfying with the standard(S-57) by International Hydrographic Organization and a web searching agent who builds a database by collecting marine-related information in order to provide a variety of realtime information such as weather, fishing and news. In addition, I designed and embodied network based mobile contents which can be presented on a WIPI(Wireless Internet Platform for Interoperability) based portable handset by receiving an ENC and other processed information from server. With the results produced by such experiments, I measured a compressibility corresponding to a image compression format of electronic nautical chart transmitted and analyzed the correlation between increase in packets of requested information and the cost.

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Extraction and Implementation of MPEG-4 Facial Animation Parameter for Web Application (웹 응용을 위한 MPEC-4 얼굴 애니메이션 파라미터 추출 및 구현)

  • 박경숙;허영남;김응곤
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.6 no.8
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    • pp.1310-1318
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    • 2002
  • In this study, we developed a 3D facial modeler and animator that will not use the existing method by 3D scanner or camera. Without expensive image-input equipments, we can easily create 3D models only using front and side images. The system is available to animate 3D facial models as we connect to animation server on the WWW which is independent from specific platforms and softwares. It was implemented using Java 3D API. The facial modeler detects MPEG-4 FDP(Facial Definition Parameter) feature points from 2D input images, creates 3D facial model modifying generic facial model with the points. The animator animates and renders the 3D facial model according to MPEG-4 FAP(Facial Animation Parameter). This system can be used for generating an avatar on WWW.

2D DWT Processor for Real-time Embedded Applications (실시간 내장형 응용을 위한 2차원 웨이브렛 변환 프로세서)

  • 정갑천;박성모
    • Journal of the Institute of Electronics Engineers of Korea CI
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    • v.40 no.2
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    • pp.17-25
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    • 2003
  • In this paper, a processor architecture is proposed based on the state space implementation technique for real time processing of 2-D discrete wavelet transform(DWT). It conducts 2-D DWT operations in consideration of row and column direction simultaneously, thus can reduce latency due to memory access for storing intermediate results. It is a VLSI architecture suitable for real time processing. The proposed architecture includes only four multipliers and four adders, and NK-N internal memory storage, where K denotes the length of filter. It has a small hardware complexity. Therefore it is very suitable architecture for real time, embedded applications such as web camera server. Since the processor is easily extended to array structure, it can be applied to various image processing applications.

A Study of Ubiquitous Hair Changing (Ubiquitous Hair Changing에 관한 연구)

  • Park Dae Woo;Kang Nan Soon
    • Journal of the Korea Society of Computer and Information
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    • v.10 no.1 s.33
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    • pp.157-166
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    • 2005
  • The Hair part of Cosmetology is development with Ubiquitous age. In this paper, 1 would design and implement for Ubiquitous Hair Changing on Ubiquitous network. Hair artist have customer's features in use digital camera for operating hair beauty. They are agree with hair design and style in monitor on internet at customer's choose in digital contents of cut, permanent, up-style, dye, long hair from web server. After operation on customer's hair from image of mobile terminal, hair artists take a photograph of customer's face and update it on internet. Customer's features was saved in her's mobile terminal. I would contribute to development of Beauty Information Society that the design of Ubiquitous Hair Changing System and the implement of digital hair contents that on-line internet system Sl mobile terminal were applied by Ubiquitous Network.

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A Study on the Framework Construction of Disaster Monitoring and Transmitting System based on Smart-Phone (스마트 폰(Smart-Phone)기반의 재난 감시 및 상황전달시스템 프레임워크(Framework) 구축에 관한 연구)

  • Jeong, Duk-Hoon;Min, Geum-Young;An, Chang-Keun;Lee, Hoon-Seok
    • Journal of the Korea Safety Management & Science
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    • v.13 no.2
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    • pp.31-42
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    • 2011
  • Smart-Phones are utilized in disaster management field because it can deliver disaster information to large population simultaneously and quickly, and provide accurate information through situation-based service using the LBS(Location Based Service). To study on the utilization of smart phone for disaster information collection and dissemination method, this study suggest a framework which connects smart phone by loading application for reporting disaster. The disaster monitoring and situation dissemination system framework using smart phone is composed of 4 parts. First, smart phone application enters image, video, voice and text information and location of the disaster. Second, the disaster report reception and situation dissemination server receives the information, save in the DB, and send through smart phone SMS. Third, store into disaster information database. Fourth, display the disaster report and management information on 2D GIS, support the decision making process in deciding whether to manage as disaster, and disaster management web service which disseminates situation.

Design and Implementation of Information Security System to Prevent Leakage of Drawing Information (설계정보 유출방지를 위한 정보보안시스템 설계 및 구현)

  • Chang, H.B.;Lee, H.S.
    • Korean Journal of Computational Design and Engineering
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    • v.11 no.5
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    • pp.327-334
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    • 2006
  • Recently, security incidents are growing rapidly in which internal employees let the drawing leak out to competitors or other countries. This type of security incidents has a characteristic that it occurs less frequently than other types of security incidents such as network or server security incident, but the damage is a lot more serious. The existing information security technologies to prevent internal information from being leaked out are only applicable to general documents(office documents, web pages and image files in which data are encrypted one by one). However, architectural drawings made up of collection of files with various formats(extensions) have problems with the process speed of en(de) cryption and accuracy, so the developments of security technologies by new methods are required. In this study, we design and develop a security technology based on work area with which users can protect the leakage of critical information in the kernel level while maintaining their work environment when they have to use sharing information that cannot be managed by the unit of file. As a result, we developed the "Virtual Secure Disk" which allows only authorized users and applications to have an access to drawings, and have verified its security by applying it to the actual company.