• Title/Summary/Keyword: Ki-Won Chang

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Design of transfer alignment algorithm in ship of horizontal axis attitude motion (수평축 자세운동이 있는 배에서의 전달정렬 알고리즘 설계)

  • Song, Ki-Won;Jeon, Chang-Bae;Kim, Hyun-Baek;Yoo, Jun
    • 제어로봇시스템학회:학술대회논문집
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    • 1996.10b
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    • pp.672-675
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    • 1996
  • This paper presents algorithm including Kalman filter for transfer alignment of velocity and quaternion matching method, when master inertial navigation system is a gimbled type and slave inertial navigation system is a strapdown type on a cruising ship which is naturally in motion of horizontal axis attitude. And relative attitudes are considered on a measurement equation for quaternion matching between master INS and slave INS.

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Non-linear Interpolation for Color Images

  • Kim, Jong-Ho;Kim, Won-Ki;Yeom, Dong-Hyun;Jeong, Je-Chang
    • 한국정보디스플레이학회:학술대회논문집
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    • 2006.08a
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    • pp.1326-1329
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    • 2006
  • In this paper, we propose a non-linear interpolation of chrominance components based on the property of luminance signals to display color images effectively. The proposed method is more useful, in particular, for the images including stair-typed signal changes around edges. Experimental results show that the proposed method is superior to conventional methods in both objective and subjective performance.

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Development of Detail Design Software for High Speed Catenary System (고속전차선로 상세설계 자동차 소프트웨어 개발)

  • Kim, Joo-Rak;Lee, Ki-Won;Chang, Sang-Hoon
    • Proceedings of the KIEE Conference
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    • 2002.04a
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    • pp.257-259
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    • 2002
  • This study presents a development of DeCatS which is software to design high speed catenary system automatically. This is developed by KRRI with the support of KHSR. This paper presents a process of developing this S/W and a comparison with LEXCAT is demonstrated a preciseness of this.

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A Development of Automatic materials management D/B for High-speed catenary system (고속전차선로 설계자동화를 위한 자재관리 D/B의 설계 및 개발)

  • Lee, Ki-Won;Kim, Joo-Rak;Chang, Sang-Hoon
    • Proceedings of the KIEE Conference
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    • 2002.04a
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    • pp.263-265
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    • 2002
  • This paper presents a design method of database to manage materials having hierarchical structure on Kyungbu high-speed catenary system. Through this method, the automatic management software was developed. The software can get to find out assemblies as well as single fittings used in a section.

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