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基于機器視覺的自然環(huán)境中成熟荔枝識別
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國家自然科學基金資助項目(50775079);高等學校博士學科點專項科研基金資助項目(200805640009)


Recognition of Mature Litchi in Natural Environment Based on Machine Vision
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    摘要:

    研究了自然場景下成熟荔枝的識別技術,。通過分析荔枝彩色圖像的顏色和灰度特征,,選取YCbCr顏色模型進行處理,對其Cr分量圖進行閾值分割去除復雜背景,并采用形態(tài)學和連通區(qū)域標注法消除分割后的隨機噪聲,;然后結合一維隨機信號直方圖分析法與模糊C均值聚類法(FCM)對處理后的荔枝圖像進行聚類和分割,,實現(xiàn)荔枝果實和果梗的識別,。不同光照條件下的識別實驗結果表明,,算法均能有效分割出果實和果梗,綜合識別率達到95.5%。

    Abstract:

    A recognition method of mature litchi in natural scene was researched. Through analyzing the gray and color features of litchi, the YCbCr color model was selected, and by using threshold segmentation, the Cr component image was selected to remove the complex background, then morphology operation and connected region label were used to remove random noise, and then the one-dimensional random signal histogram analysis and the fuzzy C-means clustering (FCM) segmentation were used to achieve the recognition of litchi fruit and peduncle. The recognition results under different natural conditions showed that the algorithm could segment the fruit successfully and the recognition rate reached to 95.5%.

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熊俊濤,鄒湘軍,陳麗娟,郭艾俠.基于機器視覺的自然環(huán)境中成熟荔枝識別[J].農(nóng)業(yè)機械學報,2011,42(9):162-166. Xiong Juntao, Zou Xiangjun, Chen Lijuan, Guo Aixia. Recognition of Mature Litchi in Natural Environment Based on Machine Vision[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(9):162-166.

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