• 제목/요약/키워드: System Mapping

검색결과 2,322건 처리시간 0.039초

차량 MMS를 이용한 국가기본도 수시 수정 (Frequent Unscheduled Revision of National Base Map with Vehicle-Based Mobile Mapping System)

  • 김창우;윤홍식;황진상;정태준;신동준
    • 한국측량학회:학술대회논문집
    • /
    • 한국측량학회 2010년 춘계학술발표회 논문집
    • /
    • pp.311-313
    • /
    • 2010
  • This study is on the adapting vehicle-based mobile mapping system to the frequent unscheduled revision of 1:5000 scale national base map. We analyzed map layers which could be built by vehicle-based mobile mapping systems and studied surveying methods for each layers. Also, the methods of maintain surveying accuracy to satisfy accuracy standards of national base map were suggested. The maps of Yeouido, Hyangnam, and Suwon area were revised by vehicle-based mobile mapping system on a trial bases and possibility of utilizing vehicle-based mobile mapping system for map revision was analyzed. As a results it was revealed that vehicle-based mobile mapping systems were adequate for a irregular revision of national base map.

  • PDF

차량 MMS를 이용한 현지 지리조사 수행 방안 연구 (A Study on the Method for Field Investigation with Vehicle-Based Mobile Mapping System)

  • 황진상;윤홍식;정태준;위광재;강인구
    • 한국측량학회:학술대회논문집
    • /
    • 한국측량학회 2010년 춘계학술발표회 논문집
    • /
    • pp.113-115
    • /
    • 2010
  • We studied the methods to utilize vehicle-based mobile mapping system for field investigation work of digital map generation process. Map layers which should be checked by field investigation were analyzed to find the possibility of being checked with data from vehicle-based mobile mapping system. Also new process for digital map generation were suggested to adopt field investigation by vehicle-based mobile mapping system. We performed field investigation work on the Kangneung area by vehicle-based mobile mapping on a trial bases and compared the results with a results from usual field investigation method.

  • PDF

의복패턴을 위한 2.5D 맵핑 시스템의 설계 및 구현 (Design and Implementation of 2.5D Mapping System for Cloth Pattern)

  • 김주리;정석태;정성태
    • 한국정보통신학회논문지
    • /
    • 제12권4호
    • /
    • pp.611-619
    • /
    • 2008
  • 본 논문에서 구현한 2.5D 맵핑(mapping) 시스템은 다양한 질감과 패턴에 따른 패션 의상의 모델 사진 이미지를 그대로 살려 외각선 영역 위에 드레이핑(draping)함으로써 새로운 디자인을 창출할 수 있고, 직접 샘플이나 시제품을 제작하지 않고도 시뮬레이션만으로 의상 작품을 확인할 수 있다. 또한 원단 디자인과 최종 제품의 상태를 정확하게 예측할 수 있는 기능을 제공하며, 원단과 모델 사진 이미지의 데이터베이스 구축으로 쉽고 빠르게 드레이핑함으로써 패션 업계의 경쟁력 향상과 비용 절감 효과를 가져 올 수 있다. 2.5D 맵핑 시스템은 보다 자연스러운 드레이핑을 위하여 메쉬 워프 알고리즘 모듈, 명암 추출과 적용 모듈, 맵핑 영역 추출 모듈, 메쉬 생성과 변형 모듈, 2.5D 맵핑 모듈로 구성하여 구현하였다. 향후 연구과제는 2.5D 맵핑 시스템의 구현 기술을 기반으로 하여 3D 의복 기술과 3D 인체 구현 기술을 접목한 3D 패션 디자인 시스템을 연구하여 2.5D 맵핑 기술의 표현 한계를 극복할 계획이다.

논리 회로의 기술 매핑 시스템 설계 (Design of a Technology Mapping System for Logic Circuits)

  • 김태선;황선영
    • 전자공학회논문지A
    • /
    • 제29A권2호
    • /
    • pp.88-99
    • /
    • 1992
  • This paper presents an efficient method of mapping Boolean equations to a set of library gates. The proposed system performs technology mapping by graph covering. To select optimal area cover, a new cost function and local area optimization are proposed. Experimental results show that the proposed algorithm produces effective mapping using given library.

  • PDF

Id/Loc split 를 위한 BGP 기반 매핑 시스템 (A BGP based Distributed Mapping System for Id/Loc split)

  • ;홍충선
    • 한국정보처리학회:학술대회논문집
    • /
    • 한국정보처리학회 2010년도 추계학술발표대회
    • /
    • pp.1050-1052
    • /
    • 2010
  • Locator and Identifier Split is considered as the solution to the scalability problem Internet is facing today. The separation approach of Locator and Identifier requires a third party called mapping system. The mapping system enables the inter-domain routing between two different edge networks. The design of this third party has generated many proposals, among them one approach use Border Gateway Protocol (BGP) for effective mapping information updates distribution. In this paper, we take advantage of this approach by considering the scalability in term of mapping information storage. Our goal is to provide scalability in term of mapping information storage as well as effective mapping information updates distribution.

32채널 뇌파 및 뇌유전발전위 Mapping 시스템 (32-Channel EEG and Evoked Potential Mapping System)

  • 안창범;박대준
    • 대한의용생체공학회:의공학회지
    • /
    • 제17권2호
    • /
    • pp.179-188
    • /
    • 1996
  • A clinically oriented 32-channel electroencephalogram (EEG) and evoked potential (EP) mapping system has been developed EEG and EP signals acquired from 32-channel electrodes attached on the heroid surface are amplified by a pre-amplifier which is separated from main amplifier and is located near the patient to reduce signal attenuation and noise contamination between electrodes and the amplifier. The amplified signals are further amplified by a main amplifier where various filtering and gain contr61 are achieved An automatic artifact rejection scheme is employed using neural network-based EEG and artifact classifier, by which examination time is substantially reduce4 The continuously measured EEG sigrlals are used for spectral mapping, and auditory and visual evoked potentials measured in synchronous to the auditory and visual stimuli are used for temporal evoked potential mapping. A user-friendly graphical interface based on the Microsoft Window 3.1 is developed for the operation of the system. Statistical databases for comparisons of group and individual are included to support a statistically-based diagnosis.

  • PDF

차량측량시스템을 위한 영상취득 프로그램 개발 (Development of Image Capture Program for a Mobile Mapping System along CCD Camera Characteristics)

  • 정동훈;김병국
    • 한국공간정보시스템학회 논문지
    • /
    • 제4권2호
    • /
    • pp.35-40
    • /
    • 2002
  • 본 연구에서는 현재 개발되고 있는 차량측량시스템(또는 Mobile Mapping System)에서 사용하기 위한 CCD(Charge Coupled Device) 카메라 영상을 취득하는 프로그램을 개발하였다. 특히 2개의 고해상도 칼라영상을 동시에 취득하여 저장할 수 있도록 하여 수치사진측량 기법의 적용이 가능하도록 하였다. 본 연구에서 개발한 프로그램은 GPS-IMU의 장비와 결합하여 차량측량시스템을 이용한 각종 시설물의 3차원 위치 결정, 보존상태 파악 등에 보다 효율적으로 이유될 수 있을 것이다. 특히 현재까지 개발되어 활용중인 프로그램들이 흑백영상을 대상으로 하고 있는 반면 본 연구에서 사용하고 있는 영상은 고해상도의 칼라영상이기 때문에 대상물의 판독력을 높일 수 있어 차량측량시스템의 활용분야를 넓일 수 있을 것으로 기대된다.

  • PDF

Accuracy Assessment of Mobile Mapping System

  • Manandhar, Dinesh;Shibasaki, Ryosuke
    • 대한원격탐사학회:학술대회논문집
    • /
    • 대한원격탐사학회 2003년도 Proceedings of ACRS 2003 ISRS
    • /
    • pp.1152-1154
    • /
    • 2003
  • The needs of 3-D data have been increasing for various applications like visualization, 3-D modeling, planning and management as well as entertainment. Mobile mapping has become a quick and practical means for acquiring necessary 3-D data for above-mentioned applications. A mobile mapping system mainly consists of two main components, viz. data acquisition devices and positioning devices. The data acquisition devices consist of CCD cameras or/and laser scanners. The positioning devices consist of GPS, INS, Odometer (shaft encoder) and some other referencing devices. The overall accuracy of mobile mapping system depends on the accuracy of positioning devices and their integrated output. Though, GPS is the main input device for the position information, the signal is not available for the computation of position all the times in urban area. The GPS satellites are normally obstructed by high-rise buildings. Thus it is very important to understand the accuracy of such a system in different environments and means to solve such problems. We have developed a mobile mapping system called VLMS (Vehicle-borne Laser Mapping System), which consists of CCD Cameras, Laser scanners, GPS, INS and Odometer. In this paper, we will present and discuss the accuracy of this system with data acquired in different environments (open area, urban area, tunnel, express way etc) by analyzing the data with respect to other existing digital data.

  • PDF

고화질 PDP를 위한 Fuzzy Sub-Field 맵핑 알고리즘 (Fuzzy Sub-Field Mapping Algorithm For High Image Quality PDP)

  • 구본철;진성일;최두현
    • 대한전자공학회:학술대회논문집
    • /
    • 대한전자공학회 2003년도 신호처리소사이어티 추계학술대회 논문집
    • /
    • pp.359-362
    • /
    • 2003
  • In PDP(Plasma Display Panel), sub-field method is used to implement gray scale. Each sub-field has different periods. And Every gray level has information of which sub-field has to be displayed. This is called sub-field mapping. There are several sub-field mapping values in some gray levels. So, it is possible to select best choice in this paper, we propose new sub field mapping method using a fuzzy inference system to select best sub-field mapping values in accordance with input image and environment temperature. In order to implement fuzzy system, we used MATLAB fuzzy inference editor.

  • PDF

텍스트기반 임상데이터의 인터페이스 용어 매핑 방법 (Method of The Interface Terminology Mapping based Free Text Medical Data)

  • 유돈식;배인호
    • 반도체디스플레이기술학회지
    • /
    • 제13권1호
    • /
    • pp.97-99
    • /
    • 2014
  • Since 2010, issues for data sharing and data exchanging in hospital information systems have been emerged. In order to solve the issues, standards should be applied to develop the systems and there should be no ambiguities between terminologies in the systems. In this paper, the terminology mapping system for narrative clinical records was implemented. The term mapping precision was 83.4%. This system could help to upgrade the text based clinical system and it would be expected to support for high quality clinical services.