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研究生: 詹翔崴
HSIANG-WEI CHAN
論文名稱: 基於人工智慧之腦腫瘤病理影像自動分類系統:結合特徵萃取及資料平衡之研究
Automatic classification system of brain tumor pathological images based on artificial intelligence:combining feature extraction and data balance
指導教授: 黃騰毅
Teng-Yi Huang
口試委員: 黃騰毅
Teng-Yi Huang
林益如
Yi-Ru Lin
蔡尚岳
Shang-Yueh Tsai
莊子肇
Tzu-Chao Chuang
學位類別: 碩士
Master
系所名稱: 電資學院 - 電機工程系
Department of Electrical Engineering
論文出版年: 2021
畢業學年度: 109
語文別: 中文
論文頁數: 43
中文關鍵詞: 人工智慧腦腫瘤病理影像特徵萃取資料平衡自動分類
外文關鍵詞: Artificial intelligence, Brain tumor pathological images, Feature extraction, Data balance, Automatic classification
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  • 現代醫學中,細胞腫瘤為一種複雜的疾病,而腫瘤細胞的切片影像則能為醫生提供腫瘤內各類型的細胞組成以及分布概況,並可透過此影象對病患做初步的病症判讀。本研究結合機器學習及人工智慧的方式,設計一套腦腫瘤類型的分類系統,透過自動化的處理對腦腫瘤的切片影像進行自動分類。然而機器學習的設計方法也有其受限之處,在現實環境中,臨床病患的個人資料不易取得,而不同來源的資料也有品質不一的問題,在這種情況下所訓練出的模型可能會造成預測結果偏頗或是不佳的狀況,因此本研究中使用了不同的影像處理及訓練方法使訓練出的模型能在資料受限的狀況下有穩定的判別能力,此外,我們設計了三種實驗探討系統中各項方法對於預測結果的影響。


    Cellular tumors are a complex disease, and the histological slides of tumor cells allow doctors to observe the composition and distribution of various types of cells in the tumor, and make initial diagnosis of the disease through this image. Advancements in digital microscopy enables digitization of histology slides and histopathology diagnosis combined with image analysis is an emerging application of machine-learning techniques. In this study, we designed a classification system for brain tumor slides, aiming to automatically classify brain tumor types. However, the design method of machine learning also has its limitations. The quality of data from different sources is also different. The model obtained by data-driven methods may be influenced by data quality and then produce inaccurate results. In this study, we performed three experiments to explore the influence of machine-learning methods and developed a fully automatic system for histopathology diagnosis.

    摘要 i Abstart ii 目錄 iii 圖目錄 v 表目錄 vi 第一章 簡介 1 1.1 研究動機 1 1.2 腦腫瘤 2 1.3 組織病理學 3 1.4 CPM-RadPath 2019 4 1.5 機器學習 5 1.6 預訓練模型 6 1.7 K-means Clustering 8 1.8 LGBM 9 第二章 方法與材料 10 2.1 資料來源 10 2.2 資料處理 11 2.2.1 影像切割 12 2.2.2 特徵萃取 13 2.3 非監督式學習 14 2.3.1 K-means Binary 14 2.3.2 K-means Cluster 14 2.4 分類訓練 15 2.4.1 LGBM計算 15 2.4.2 f1-score 16 2.4.3 Macro avg 17 2.5 結果預測 18 第三章 實驗 19 3.1 實驗一:LGBM資料平衡 20 3.2 實驗二:K-means Cluster 21 3.3 實驗三:不同預訓練模型特徵萃取 22 第四章 實驗結果 23 4.1 實驗一 23 4.2 實驗二 25 4.3 實驗三 28 第五章 討論與結論 29 參考文獻 33

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