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基于機(jī)器視覺的自然環(huán)境中成熟荔枝識(shí)別
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國家自然科學(xué)基金資助項(xiàng)目(50775079);高等學(xué)校博士學(xué)科點(diǎn)專項(xiàng)科研基金資助項(xiàng)目(200805640009)


Recognition of Mature Litchi in Natural Environment Based on Machine Vision
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    研究了自然場景下成熟荔枝的識(shí)別技術(shù),。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(jìn)行處理,對其Cr分量圖進(jìn)行閾值分割去除復(fù)雜背景,并采用形態(tài)學(xué)和連通區(qū)域標(biāo)注法消除分割后的隨機(jī)噪聲,;然后結(jié)合一維隨機(jī)信號(hào)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(jìn)行聚類和分割,實(shí)現(xiàn)荔枝果實(shí)和果梗的識(shí)別,。不同光照條件下的識(shí)別實(shí)驗(yàn)結(jié)果表明,,算法均能有效分割出果實(shí)和果梗,綜合識(shí)別率達(dá)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(jī)器視覺的自然環(huán)境中成熟荔枝識(shí)別[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),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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