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基于卷積神經(jīng)網(wǎng)絡(luò)的玉米根莖精確識(shí)別與定位研究
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國(guó)家重點(diǎn)研發(fā)計(jì)劃項(xiàng)目(2017YFD0301303、2017YFD0700902-2)和安徽省自然科學(xué)基金項(xiàng)目(1708085QF148)


Accurate Identification and Location of Corn Rhizome Based on Faster R-CNN
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    摘要:

    為了能精準(zhǔn)地識(shí)別和定位玉米根莖,本文建立了基于遷移學(xué)習(xí)方法的玉米根莖檢測(cè)網(wǎng)絡(luò),模擬人眼識(shí)別功能從復(fù)雜的田間環(huán)境中識(shí)別和定位玉米根莖,實(shí)現(xiàn)履帶自走式熱霧機(jī)玉米行間對(duì)行行走。以履帶自走式熱霧機(jī)為圖像采集平臺(tái)獲取玉米作物田間圖像,采用DOG金字塔算法提取圖像中的目標(biāo)根莖,構(gòu)成樣本訓(xùn)練數(shù)據(jù)庫(kù)。通過(guò)訓(xùn)練網(wǎng)絡(luò),首先實(shí)現(xiàn)了單株玉米根莖的精準(zhǔn)識(shí)別,然后開展玉米作物行間環(huán)境下多株玉米根莖精確識(shí)別和根莖定位。基于已識(shí)別的玉米根莖位置采用最小二乘法擬合行駛路徑,試驗(yàn)結(jié)果表明,提出的玉米根莖識(shí)別方法與傳統(tǒng)圖像處理的方法相比,具有更好的定位精度,能夠?qū)崿F(xiàn)玉米作物田間路徑的準(zhǔn)確規(guī)劃,為履帶自走式熱霧機(jī)玉米行間對(duì)行行走提供了技術(shù)支撐。

    Abstract:

    In order to identify and locate the maize rhizomes accurately, a maize rhizome detection network based on the migration learning method was established. The function of human eye recognition to identify and locate the rhizomes of the corn from a complex field environment was simulated, which achieved the function of crawler heat fog machine walking along the corn line. Field image of corn was collected by crawler self-propelled hot fogging machine, construction of a precise identification and location model of corn rhizome based on convolutional neural network, and the “DOG Pyramid” algorithm was used to extract maize rhizome as the target from the images, which constituted the training sample database. Through training network, the single maize rhizome was precisely identified firstly, and then were accurately identified and located in the environment of corn crop. The path tracking was obtained by east square fitting algorithm based on the identified maize rhizome location, and the sliding mode track tracking algorithm was used to control the double differential drive motor of the caterpillar chassis to realize the path tracking. The test result showed that the corn root recognition method can identify and locate the maize rhizomes more accurately, the correct rate of identification and location of corn rhizome reached 91.4%, but the traditional image processing method can only reach 67.3%. It can be seen that the method of identifying maize rhizomes proposed had better positioning accuracy, which can better plan the corn field path accurately. The research results provided the key technical support for the crawler self-propelled hot fogging machine self walking along the intercropping of corn.

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楊洋,張亞蘭,苗偉,張鐵,陳黎卿,黃莉莉.基于卷積神經(jīng)網(wǎng)絡(luò)的玉米根莖精確識(shí)別與定位研究[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2018,49(10):46-53. YANG Yang, ZHANG Yalan, MIAO Wei, ZHANG Tie, CHEN Liqing, HUANG Li. Accurate Identification and Location of Corn Rhizome Based on Faster R-CNN[J]. Transactions of the Chinese Society for Agricultural Machinery,2018,49(10):46-53.

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  • 收稿日期:2018-02-27
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  • 在線發(fā)布日期: 2018-10-10
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