【正文】 8 目 錄 目 錄 .............................................................................................................................................. 8 摘 要 .............................................................................................................................................10 Abstract ............................................................................................................................................ 11 1 緒論 ..........................................................................................................................................12 問題描述與項(xiàng)目動(dòng)因 .......................................................................................................12 篇章結(jié)構(gòu) ........................................................................................................................13 2 Android 移動(dòng)操作系統(tǒng) ...............................................................................................................14 移動(dòng)計(jì)算 ........................................................................................................................14 Android 技術(shù)背景 ...........................................................................................................14 Android 的特性 ....................................................................................................14 Android 架構(gòu) ........................................................................................................15 Android 平臺(tái)本地應(yīng)用的開發(fā) ..........................................................................................16 虛擬機(jī)之上的 Java 應(yīng)用 .......................................................................................16 Linux 之上的 C/C++本地代碼 ................................................................................16 Android 平臺(tái)數(shù)據(jù)的存儲(chǔ)與同步 ......................................................................................17 嵌入式關(guān)系數(shù)據(jù)庫(kù)管理系統(tǒng) SQLite ......................................................................17 Android 平臺(tái)的數(shù)據(jù)同步 ......................................................................................19 3 Android 平臺(tái)上的車牌識(shí)別 ........................................................................................................20 圖像處理 ........................................................................................................................20 OpenCV .................................................................................................................20 JavaCV .................................................................................................................20 車牌探測(cè) ........................................................................................................................21 將原始圖像轉(zhuǎn)化為灰階圖像 ..................................................................................22 灰 階圖像的平滑與增強(qiáng)處理 ..................................................................................22 灰階圖像轉(zhuǎn)化為二值圖像 .....................................................................................22 從二值圖像中提取輪廓 .........................................................................................23 基于 邊緣檢測(cè)的車牌探測(cè) .....................................................................................23 車牌字符分割 .................................................................................................................24 車牌字符識(shí)別 .................................................................................................................25 Tesseract OCR 引擎 ...............................................................................................25 車牌語(yǔ)言的訓(xùn)練 ...................................................................................................25 Tesseract 庫(kù)在 Android 中的使用 ............................................................................27 4 需求分析與設(shè)計(jì) ........................................................................................................................29 功能需求 ........................................................................................................................29 用例模型 ..............................................................................................................29 交互圖 .................................................................................................................32 非功能需求 .....................................................................................................................34 5 系統(tǒng)設(shè)計(jì)、實(shí)現(xiàn)與測(cè)試 ..............................................................................................................36 武 漢理工大學(xué)畢業(yè)設(shè)計(jì)（論文） 9 系統(tǒng)的設(shè)計(jì) .....................................................................................................................36 程序邏輯設(shè)計(jì) .......................................................................................................36 數(shù)據(jù)庫(kù)設(shè)計(jì) ..........................................................................................................38 系統(tǒng)實(shí)現(xiàn) ........................................................................................................................38 支撐條件 ..............................................................................................................39 類的實(shí)現(xiàn) ..............................................................................................................41 數(shù)據(jù)庫(kù)模式 ..........................................................................................................42 運(yùn)行與測(cè)試 .....................................................................................................................43 運(yùn)行演示 ..............................................................................................................43 測(cè)試 .....................................................................................................................46 6 結(jié)語(yǔ)與后續(xù)計(jì)劃 .........................