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基于Fisher變換的植物葉片圖像識別監(jiān)督LLE算法
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國家自然科學基金資助項目(61172127);高等學校博士學科點專項科研基金資助項目(20113401120006);安徽大學211創(chuàng)新團隊項目(KJTD007A);安徽大學“211工程”青年科學研究基金資助項目(KJQN1114)


Recognition Method of Plant Leaves Based on Fisher Projection-supervised LLE Algorithm
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    摘要:

    提出一種基于Fisher投影的監(jiān)督LLE方法,,應用于植物葉片圖像識別中,。該方法利用Fisher投影距離取代樣本的測地距離,,并以此為基礎(chǔ)計算樣本的權(quán)值,,加入LLE算法的代價函數(shù)中,。該方法克服了傳統(tǒng)LLE算法無監(jiān)督學習不適應分類問題的缺陷,,在抑制噪聲點影響的同時可以更好地挖掘樣本的類別信息,,提高葉片的分類精度,。基于實拍植物葉片圖像數(shù)據(jù)庫的實驗結(jié)果證明,,該算法的平均識別率達到92.36%,。

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    A new supervised weighted LLE method based on the Fisher projection was proposed. This method utilized the Fisher projection distance to replace the sample’s geodesic distance, and the importance score of each sample was obtained based on this distance, then the importance scores were added into the cost function of LLE. This method can overcome the disadvantage of traditional LLE, an unsupervised learning algorithm which cannot solve the classification problem very well, and can exploit the category information better and reduce the influence of noise points at the same time. The experimental results based on the real-world plant leaf databases show its mean accuracy of recognition is up to 92.36%.

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閻慶,梁棟,張晶晶.基于Fisher變換的植物葉片圖像識別監(jiān)督LLE算法[J].農(nóng)業(yè)機械學報,2012,43(9):179-183. Yan Qing, Liang Dong, Zhang Jingjing. Recognition Method of Plant Leaves Based on Fisher Projection-supervised LLE Algorithm[J]. Transactions of the Chinese Society for Agricultural Machinery,2012,43(9):179-183.

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  • 在線發(fā)布日期: 2012-09-04
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