本科生論文樣本標準格式-wenkub
2022-09-01 16:21:14 本頁面
【正文】 業(yè)論文統(tǒng)一封面格式打不下或不美觀。畢業(yè)設計封面可參照此修改。一般不宜超過300字，英文摘要一般不宜超過250個實詞。通過對基于機器視覺的種蛋篩選和孵化成活性檢測方法的系統(tǒng)研究，建立了種蛋篩選和孵化成活性自動檢測系統(tǒng)。(1) 提出利用種蛋圖像零階矩計算圖像投影面積代替重量稱量的方法，檢測結果與實際稱量值間有良好的相關性，過大蛋、正常蛋、%、%%。過長蛋、%、%%，%。3．參照人工照蛋時間，對孵化早期、中期和后期的種蛋胚胎成活性檢測方法進行了系統(tǒng)研究。注 意：盡量選用主題詞表中的詞。題名下面空一行。Identifying quality and fertility of hatching eggs are an important and hard work in the farms. Manual inspection suffers from visual stress and tiredness and is low accuracy and timeconsuming. An automatic and practical detection system based on machine vision system and ANN is developed instead of manual inspection of hatching egg for improving detecting accuracy and effciency. 1. The machine vision hardware system is built for identifying exterior quality and fertility of hatching egg .The light source and background color are found out through a lot of experiments. Camera calibration is done for correcting image distortion, and its accuracy is able to match the demand of identifying exterior quality of hatching egg. 2. Based on machine vision technique, criterion is proposed for prehensive evaluating egg’s exterior quality by weight, shape, eggshell defect feature and eggshell color, and method of egg quality classification is developed. (1) The projection area of egg image is extracted by 0order moment and used to classify egg weight instead of metage. The classification accuracy is % for bigger eggs, % for normal eggs, and % for smaller eggs. (2) Threshold recognition and 8connected boundary tracking method are bined to extract the defect feature on eggshell, and its classification accuracy is % for cracked eggs, % for dirt stained, blood spotted eggs and % for normal eggs.用小四號Times New Roman字， 注 意：每個詞首字母大寫。 用小四號黑體字，頂左。 種蛋篩選和孵化成活性檢測硬件系統(tǒng)建立 錯誤！未定義書簽?！⌒〗Y 錯誤！未定義書簽。 錯誤！未定義書簽。 錯誤！未定義書簽。 錯誤！未定義書簽。3 結果 錯誤！未定義書簽。 v 錯誤！未定義書簽。 錯誤！未定義書簽。 錯誤！未定義書簽。 錯誤！未定義書簽。 錯誤！未定義書簽?！? 錯誤！未定義書簽。5 結論 錯誤！未定義書簽。二、三級標題對齊，比一級標題后退二個空格。4. 圖4 非正常雞蛋的無損檢測系統(tǒng)示意圖 錯誤！未定義書簽。8. 圖8 種蛋孵化成活性檢測機器視覺系統(tǒng) 錯誤！未定義書簽。12. 圖12 空間點的選取 錯誤！未定義書簽。16. 圖16 預處理前后的種蛋圖像 錯誤！未定義書簽。20. 圖20 蛋重與種蛋投影圖像周長擬合效果 錯誤！未定義書簽。內(nèi)容用五號宋體字。28. 表5 種蛋蛋殼顏色檢測結果 錯誤！未定義書簽?？s 略 語 表APC（antigen present cell） 抗原提呈細胞CD(cluster of differentiation antigen) 淋巴細胞分化抗原CRD (chronic respiratory disease ) 慢性呼吸道病CRM(cytadhesin related molecule) 細胞吸附相關分子DC（dendritic cell） 樹突狀細胞Dot—ELISA（Dot—enzyme linking immunosorbent assay）斑點酶聯(lián)免疫吸附試驗dsDNA(double strand DNA) 雙鏈DNAELI（expression library） 表達文庫ELISA（enzyme linking immunosorbent assay） 酶聯(lián)免疫吸附試驗HA(hemagglutination) 血凝內(nèi)容用五號宋體字HI (hemagglutination inhibition ) 血凝抑制IB（Internalbreast ） 胸腔內(nèi)接種IBDV(infectious bursal disease virus)
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