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基于核磁共振成像的水果輕微損傷識別
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Detecting Subtle Bruises on Fruits with Nuclear Magnetic Resonance Imaging
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    摘要:

    以鴨梨為對象,，采用核磁共振成像設(shè)備掃描獲得輕微損傷鴨梨冠狀面圖像,，使用Matlab軟件完成圖像預(yù)處理,，采用自動閾值分割目標(biāo)區(qū)域,，并提取鴨梨層切面邊界,，最后采用角點檢測方法檢測鴨梨是否有輕微損傷,。實驗結(jié)果表明,，核磁共振成像技術(shù)對水果輕微損傷的檢測精度達(dá)92.1%，對正常和畸形水果的檢測精度達(dá)

    Abstract:

    100%,。The nuclear magnetic resonance(NMR) imaging was proposed to detect the subtle bruises on fruits. Chinese pears were selected as the experimental object. The nuclear magnetic resonance images of pears were acquired by horizontal scanning mode. Image processing, which included auto thresh segmentation, morphologic operation and boundary extraction was finished by Matlab software. At last the corner detection was used to determine whether the pear had subtle bruises. Experimental results showed that detecting subtle bruises on fruits with NMR technique was feasible. The accuracy of detection for subtle bruises and other pears was 92.1% and 100%, respectively.

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周水琴,商德勝,應(yīng)義斌,廖宜濤.基于核磁共振成像的水果輕微損傷識別[J].農(nóng)業(yè)機械學(xué)報,2010,41(8):107-110.Detecting Subtle Bruises on Fruits with Nuclear Magnetic Resonance Imaging[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(8):107-110.

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