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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/38415

    Title: 抗旋轉性地貌影比對法之研究
    Other Titles: A research of rotation invariant terrain matching method
    Authors: 中國航空太空學會;逢甲大學
    Contributors: 淡江大學航空太空工程學系
    Keywords: 地形地貌比對;快速傅立葉轉換;抗旋轉;Terrain Contour Matching;Fast Fourier Transform;Rotation Invariant
    Date: 1998-12
    Issue Date: 2010-01-11 15:14:42 (UTC+8)
    Publisher: 逢甲大學
    Abstract: This paper provides an anti-rotation terrain matching method. We used two-dimension digital terrain image to perform terrain matching and locate the correct position of the sensed image. This method can be divided into two steps. First, use a two-dimensional Fast Fourier Transform(2DFFT) to do image matching in frequency domain, and find the proper area that contains the sensed image. Second, return to time domain to do an image matching in the previous chosen area. Process in frequency domain can provide better anti-rotation matching ability. We expect this method can provide flying vehicles a way to correct position error.
    Relation: 中國航空太空學會八十七年年會暨第四十屆學術研討會論文集(下冊),頁635-638
    Appears in Collections:[Graduate Institute & Department of Aerospace Engineering] Proceeding

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