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基于Fisher變換的植物葉片圖像識(shí)別監(jiān)督LLE算法
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國(guó)家自然科學(xué)基金資助項(xiàng)目(61172127);高等學(xué)校博士學(xué)科點(diǎn)專項(xiàng)科研基金資助項(xiàng)目(20113401120006);安徽大學(xué)211創(chuàng)新團(tuán)隊(duì)項(xiàng)目(KJTD007A);安徽大學(xué)“211工程”青年科學(xué)研究基金資助項(xiàng)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(yīng)用于植物葉片圖像識(shí)別中,。該方法利用Fisher投影距離取代樣本的測(cè)地距離,并以此為基礎(chǔ)計(jì)算樣本的權(quán)值,,加入LLE算法的代價(jià)函數(shù)中,。該方法克服了傳統(tǒng)LLE算法無監(jiān)督學(xué)習(xí)不適應(yīng)分類問題的缺陷,在抑制噪聲點(diǎn)影響的同時(shí)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(shí)拍植物葉片圖像數(shù)據(jù)庫的實(shí)驗(yàn)結(jié)果證明,,該算法的平均識(shí)別率達(dá)到92.36%,。

    Abstract:

    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(shí)別監(jiān)督LLE算法[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),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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