• Title/Summary/Keyword: 김준철

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A study on the transformation of EO parameters using Boresight calibration (Boresight calibration을 이용한 외부표정요소 산출에 관한 연구)

  • 박수영;윤여상;김준철;정주권;주영은
    • Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
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    • 2003.10a
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    • pp.129-134
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    • 2003

  • Mobile Mapping System needs system calibration of multi sensors. System calibration is defined as determination of spatial and rotational offsets between the sensors. Especially, EO parameters of GPS/INS require knowledge of the calibration to camera frame. The calibration parameters must be determined with the highest achievable accuracy in order to get 3D coordinate points in stereo CCD images. This study applies Boresight calibration for the calibration between GPS/INS and camera, and estimates the Performance of the calibration.

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Intergeneric Somatic Hybrids by Electrofusion of Protoplasts Between Nicotiana tabacum and Petunia inflata (Nicotiana tabacum과 Petunia inflata의 전기적 원형질체융합에 의한 속간 체세포 잡종의 생성)

  • 김준철
    • Journal of Plant Biology
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    • v.30 no.1
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    • pp.1-9
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    • 1987

  • Leaf mesophyll protoplasts of Nicotiana tabacum (nitrate reductase deficient mutant) were fused with cell suspension protoplasts of albino Petunia inflata in an electric field. Hybrid cell colonies were selected for nitrate reductase proficiency and chlorophyll synthesis. Five hybrid plant lines, regenerated from the selected calli lines, were analysed by electrophoresis, number of chromosomes and morphological characters. Somtic hybrid plants showed both parent patterns in the isozymesof isoleucine aminopeptidase and esterase. The hybrids had the expected chromosome number of 62 and exhibited an intermediate floral morphology when compared with the parents, but plant height and leaf arrangement were similar to N. tabacum.

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