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    請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/27648


    題名: CONJUGATE IMAGE POINTS BY AN ADAPTIVE ESTIMATOR FOR THE GRAY-LEVEL VARIANCE
    作者: Wu,J;Chang,C;Wang,CP;Liu,MC
    貢獻者: 太空及遙測研究中心
    關鍵詞: SAR;REGISTRATION;RADAR;SYSTEMS;FUSION;MODELS
    日期: 2009
    上傳時間: 2010-06-29 18:51:23 (UTC+8)
    出版者: 中央大學
    摘要: A least-squares image matching algorithm was extended to adjust the different possible variances, auto-and cross-covariances found in a gray-level covariance matrix. Scaling variance and covariance components were estimated iteratively, based on some positive-semidefinite accompanying matrices. The theory of a best linear, unbiased estimator for the scale factors has been presented in detail. Conjugate-point accuracy results were obtained from 114 pairs of Radarsat-1 crossroads and pond-corner image windows. A 14% improvement in sub-pixel matching accuracy was achieved by adhering to the proposed BLU-Estimating algorithm, in particular for a category of the 11 x 11 image-window size.
    關聯: JOURNAL OF THE CHINESE INSTITUTE OF ENGINEERS
    顯示於類別:[太空及遙測研究中心] 期刊論文

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