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研究生: 潘崇政
Pan, Chung-Cheng
論文名稱: 遠距、無耗材、手持式的蘭花病毒快篩機
A Remote, Non-consumable, Handheld and Rapid Screening Machine on Orchid Viruses
指導教授: 謝振傑
Chieh, Jen-Jie
學位類別: 碩士
Master
系所名稱: 光電工程研究所
Graduate Institute of Electro-Optical Engineering
論文出版年: 2020
畢業學年度: 108
語文別: 中文
論文頁數: 103
中文關鍵詞: 蘭花病毒檢測光譜儀蘭花疾病非侵入性檢測
英文關鍵詞: Orchid virus detection, spectrometer, orchid virus, non-invasive detection
DOI URL: http://doi.org/10.6345/NTNU202001183
論文種類: 學術論文
相關次數: 點閱:110下載:0
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  • 台灣地處緯度與地形落差大,造成農業發展的多樣性,舉凡食用的農產品以及觀賞用花卉植物發展出傲人之農業成就。但因環境多樣造成病害亦多,諸如蝴蝶蘭,其病毒困擾造成栽培者的巨大損失,尤其病毒有潛伏期,以現行的檢測方法,除了以栽種人員憑經驗以外觀判斷花株是否感染以外,就是耗時費力的生物檢測,例如:酵素免疫吸附分析法、聚合酶連鎖反應、免疫試紙、磁減量法等。篩選檢測無法普及,僅能抽樣,故易有漏網之魚。
    本技術以手持光學探測方式用LED發光照射葉子再以探測頭收光,汲取訊號後經光譜儀還有控制板整理光波數據,搭配手機回傳至資料庫。將資料經平滑化、標準化及PCA降維前處理後,使用『支持向量機』及『極限梯度提升』兩種演算法進行分類分析,得出對於蘭花病毒的判斷準確度及效果。其中SVC判斷生病蘭花的準確率達87%、XGBoost判斷生病蘭花的準確率達91%(不論是已經發病還是未發病處於潛伏期的苗株都一體適用),相對於以往耗時費力且無法普及到每一株蘭花的方式,本遠距、無耗材、手持式的蘭花病毒快篩機,讓花農能在其肉眼看不到的潛伏期得知感染結果,以防範群聚感染。

    Because a large gap showed in the location latitude and topography, the diversity of agricultural development, including edible agricultural products and ornamental flowers and plants, in Taiwan have developed proud agricultural achievements. However, diverse environments also resulted in many diseases. For example, the virus troubles of phalaenopsis cause huge losses to the growers. Because the virus has an incubation period, the discrimination of the infection for orchid plants is regularly by the visual experience of the planter, or the time-consuming and laborious biological tests, such as enzyme link immunosorbent assay (ELISA), polymerase chain reaction (PCR), immuno-strip detection kit, magnetic Immunomagnetic reduction (IMR), etc. Based on these technologies, the screening cannot be popularized as the full inspection, and only be as sampling inspection with the missing risks.
    This technology based on a hand-held optical detection method to illuminate the leaves with LED light, and then receives the fluorescent light with the probe. After receiving the signal, the light wave data is sorted by the spectrometer and the control board, and it is returned to the database with the mobile phone. After all the data profile is smoothed, standardized and pre-processed by PCA for dimensionality reduction, two algorithms, i.e. support Vector Machine (SVM) and extreme gradient boosting (eXtreme Gradient Boosting, XGBoost), were used for classification and analysis. The accuracy and effect of the judgment. Among them, SVC has an accuracy rate of 87% in judging diseased orchids, and XGBoost has an accuracy rate of 91% in judging diseased orchids (whatever visible symptoms or not). In comparison with the time-consuming and labor-intensive mentioned methods, this remote, non-consumable, handheld, rapid screening machine allowed the flower grower to detect the infection results early than the visible symptoms to prevent the cluster infection.

    摘要 i Abstract iii 圖目錄 vii 表目錄 xi 第一章 緒論 1 1.1 全球蘭花市場分佈及需求 3 1.2 蘭花各項病害 3 1.3 蘭花病毒介紹 6 1.4 檢測植物病毒方式(介紹幾樣最常見的檢測方式) 8 1.5 研究動機及目的 13 第二章 系統架構與分析方法 15 2.1 整體系統 15 2.2 系統硬體與元件 16 2.3 檢測理論基礎 21 2.4 實驗方法 26 2.5 分析演算法 27 第三章 實驗結果 38 3.1 光譜資料 38 3.2 聚合酶連鎖反應檢測結果 41 3.3 分析方法結果 52 第四章 結論 74 參考資料 76 附錄 79

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