【正文】 .................................2 各種生物識(shí)別技術(shù)的比較 .......................................................................2 自動(dòng)指紋識(shí)別技術(shù) ...................................................................................3 指紋識(shí)別技術(shù)的發(fā)展現(xiàn)狀 ..................................................................................4 課題的目的和意義 ..............................................................................................5 本文研究的主要內(nèi)容和結(jié)構(gòu)安排 ......................................................................5 第二章 自動(dòng)指紋識(shí)別原理與算法設(shè)計(jì) ..........................................................................7 指紋識(shí)別系統(tǒng)的算法結(jié)構(gòu) ..................................................................................7 指紋特征介紹 ......................................................................................................8 指紋圖像預(yù)處理 ................................................................................................11 指紋圖像增強(qiáng) .........................................................................................12 方向圖計(jì)算 .............................................................................................13 二值化處理 .............................................................................................15 細(xì)化處理 .................................................................................................16 指紋特征提取 ....................................................................................................17 指紋特征匹配 ....................................................................................................17 性能評(píng)價(jià) ............................................................................................................18 本章小結(jié) ............................................................................................................19 第三章 系統(tǒng)設(shè)計(jì)方案 ....................................................................................................20 嵌入式指紋識(shí)別系統(tǒng)概況 ................................................................................20 需求分析 ............................................................................................................20 基于 DSP 的系統(tǒng)構(gòu)成 ......................................................................................21 DSP 芯片 ............................................................................................................21 DSP 芯片選型 .........................................................................................21 TMS320VC5509 的結(jié)構(gòu)性能 .................................................................23 引導(dǎo)方式 ............................................................................................................25 本章小結(jié) ............................................................................................................26 第四章 滑動(dòng) 式指紋傳感器與圖像重 組算法 ..................................................................27 指紋傳感器概述 ................................................................................................27 活體指紋傳感器 .....................................................................................27 Ⅲ 目 錄 指紋輸入方法 .........................................................................................28 滑動(dòng) 式指紋傳感器 LTTSS500 的結(jié)構(gòu)特性 ..................................................29 指紋傳感器 LTTSS500 的電路設(shè)計(jì) ..............................................................30 LTTSS500 指紋傳感器工作原理 .........................................................30 指紋采集模塊的硬件設(shè)計(jì) .....................................................................33 條狀指紋圖像重組算法的研究 ........................................................................34 重組算 法基本原理 .................................................................................35 距離判別法原理 .....................................................................................36 距離法實(shí)現(xiàn)指紋圖像重組的過(guò)程 .........................................................37 兩個(gè)重要參數(shù)指標(biāo)的說(shuō) 明 ................................................................................37 實(shí)驗(yàn)結(jié)果 ............................................................................................................38 本章小結(jié) ............................................................................................................39 第五章 系統(tǒng)實(shí)現(xiàn) ............................................................................................................40 系統(tǒng)硬件設(shè)計(jì) ....................................................................................................40 外部存儲(chǔ)器擴(kuò)展 .....................................................................................40 USB 接口設(shè)計(jì) .........................................................................................42 系統(tǒng)軟件設(shè)計(jì) ....................................................................................................43 系統(tǒng)初始化 .............................................................................................43 圖像算法軟件設(shè)計(jì) .................................................................................44 指紋管理的軟件設(shè)計(jì) .............................................................................49 系統(tǒng)程序的引導(dǎo) ................................................................................................51 系統(tǒng)調(diào)試 ............................................................................................................52 實(shí)驗(yàn)結(jié)果及 分析 ................................................................................................52 本章小結(jié) ............................................................................................................53 第六章 總結(jié)與展望 ......................................................................................................54 致謝 ....................................................................................................................................55 參考文獻(xiàn) ............................................................................................................................56 附錄 .....