CV 计算机视觉 教程

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C. Rasche 计算机视觉基础教程,入门的基础知识,了解CV的发展及现状,非常有益
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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta charset="utf-8"><meta name="generator" content="pdf2htmlEX"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/css/base.min.css"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/10849396/raw.css"><script src="https://csdnimg.cn/release/download_crawler_static/js/compatibility.min.js"></script><script src="https://csdnimg.cn/release/download_crawler_static/js/pdf2htmlEX.min.js"></script><script>try{pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({});}catch(e){}</script><title></title></head><body><div id="sidebar" style="display: none"><div id="outline"></div></div><div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/10849396/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">Computer<span class="_"> </span>Vision</div><div class="t m0 x2 h3 y2 ff1 fs1 fc0 sc0 ls0 ws0">C<span class="_ _0"></span>.<span class="_"> </span>Rasche</div><div class="t m0 x3 h4 y3 ff1 fs2 fc1 sc0 ls0 ws0">compvis12<span class="_"> </span>[at]<span class="_"> </span>gmail<span class="_"> </span>[dot]<span class="_"> </span>com</div><div class="t m0 x4 h4 y4 ff1 fs2 fc1 sc0 ls0 ws0">Nov<span class="_ _0"></span>ember<span class="_"> </span>22,<span class="_"> </span>2018</div><div class="t m0 x5 h5 y5 ff1 fs3 fc0 sc0 ls0 ws0">W<span class="_ _0"></span>e<span class="_"> </span>&#64257;rstly<span class="_ _1"> </span>sketch<span class="_ _1"> </span>some<span class="_"> </span>of<span class="_ _1"> </span>the<span class="_"> </span>basic<span class="_ _1"> </span>f<span class="_ _0"></span>eature<span class="_"> </span>e<span class="_ _0"></span>xtr<span class="_ _0"></span>action<span class="_"> </span>methods<span class="_ _0"></span>,<span class="_ _1"> </span>then<span class="_"> </span>we<span class="_ _1"> </span>introduce<span class="_"> </span>those<span class="_ _1"> </span>inf<span class="_ _0"></span>amous<span class="_"> </span>Deep</div><div class="t m0 x6 h5 y6 ff1 fs3 fc0 sc0 ls0 ws0">Neural<span class="_ _2"> </span>Networks.<span class="_ _3"> </span>Ne<span class="_ _0"></span>xt<span class="_ _2"> </span>we<span class="_ _2"> </span>proceed<span class="_ _2"> </span>with<span class="_ _4"> </span>f<span class="_ _0"></span>eature<span class="_ _2"> </span>extraction<span class="_ _2"> </span>and<span class="_ _2"> </span>matching<span class="_ _2"> </span>based<span class="_ _2"> </span>on<span class="_ _2"> </span>histograms<span class="_ _2"> </span>of<span class="_ _2"> </span>gradi-</div><div class="t m0 x6 h5 y7 ff1 fs3 fc0 sc0 ls0 ws0">ents<span class="_ _5"> </span>-<span class="_ _5"> </span>they<span class="_"> </span>build<span class="_ _5"> </span>the<span class="_ _5"> </span>basis<span class="_ _5"> </span>of<span class="_ _5"> </span>many<span class="_ _5"> </span>tasks<span class="_ _5"> </span>such<span class="_ _5"> </span>as<span class="_ _5"> </span>object<span class="_ _5"> </span>instance<span class="_ _5"> </span>detection<span class="_ _5"> </span>and<span class="_ _5"> </span>image<span class="_ _5"> </span>retriev<span class="_ _0"></span>al.<span class="_ _6"> </span>W<span class="_ _0"></span>e<span class="_ _5"> </span>then</div><div class="t m0 x6 h5 y8 ff1 fs3 fc0 sc0 ls0 ws0">introduce<span class="_ _4"> </span>object<span class="_ _2"> </span>detection<span class="_ _4"> </span>based<span class="_ _4"> </span>on<span class="_ _4"> </span>the<span class="_ _4"> </span>sliding<span class="_ _2"> </span>window<span class="_ _4"> </span>technique,<span class="_ _4"> </span>i.e.<span class="_ _7"> </span>suitable<span class="_ _2"> </span>for<span class="_ _2"> </span>face<span class="_ _2"> </span>and<span class="_ _4"> </span>pedestrian</div><div class="t m0 x6 h5 y9 ff1 fs3 fc0 sc0 ls0 ws0">detection.<span class="_ _8"> </span>It<span class="_ _5"> </span>follows<span class="_ _5"> </span>a<span class="_ _2"> </span>treatment<span class="_ _5"> </span>of<span class="_ _2"> </span>image<span class="_ _2"> </span>processing<span class="_ _5"> </span>techniques<span class="_ _2"> </span>-<span class="_ _2"> </span>segmentation<span class="_ _5"> </span>and<span class="_ _2"> </span>mor<span class="_ _9"></span>phological<span class="_ _5"> </span>pro-</div><div class="t m0 x6 h5 ya ff1 fs3 fc0 sc0 ls0 ws0">cessing<span class="_ _5"> </span>-<span class="_ _5"> </span>and<span class="_ _5"> </span>of<span class="_ _5"> </span>shape<span class="_ _5"> </span>recognition<span class="_ _5"> </span>techniques.<span class="_ _6"> </span>W<span class="_ _0"></span>e<span class="_ _5"> </span>ov<span class="_ _0"></span>erview<span class="_ _5"> </span>the<span class="_ _5"> </span>essential<span class="_ _5"> </span>trac<span class="_ _0"></span>king<span class="_ _5"> </span>methods<span class="_ _5"> </span>-<span class="_ _5"> </span>f<span class="_ _0"></span>or<span class="_ _5"> </span>regions</div><div class="t m0 x6 h5 yb ff1 fs3 fc0 sc0 ls0 ws0">and<span class="_ _2"> </span>moving<span class="_ _2"> </span>objects.<span class="_ _3"> </span>W<span class="_ _0"></span>e<span class="_ _2"> </span>close<span class="_ _2"> </span>with<span class="_ _4"> </span>a<span class="_ _2"> </span>sur<span class="_ _9"></span>ve<span class="_ _0"></span>y<span class="_ _2"> </span>of<span class="_ _2"> </span>video<span class="_ _2"> </span>sur<span class="_ _9"></span>veillance<span class="_ _0"></span>,<span class="_ _4"> </span>in-vehicle<span class="_ _5"> </span>vision<span class="_ _4"> </span>system<span class="_ _2"> </span>and<span class="_ _2"> </span>remote</div><div class="t m0 x6 h5 yc ff1 fs3 fc0 sc0 ls0 ws0">sensing.<span class="_ _3"> </span>The<span class="_ _2"> </span>methods<span class="_ _2"> </span>are<span class="_ _4"> </span>e<span class="_ _0"></span>xplored<span class="_ _2"> </span>in<span class="_ _2"> </span>Matlab<span class="_ _4"> </span>and<span class="_ _2"> </span>suf&#64257;cient<span class="_ _2"> </span>code<span class="_ _2"> </span>snippets<span class="_ _4"> </span>are<span class="_ _2"> </span>provided<span class="_ _2"> </span>to<span class="_ _2"> </span>immediately</div><div class="t m0 x6 h5 yd ff1 fs3 fc0 sc0 ls0 ws0">e<span class="_ _0"></span>xplore<span class="_ _5"> </span>all<span class="_"> </span>those<span class="_ _5"> </span>concepts;<span class="_ _5"> </span>Python<span class="_"> </span>code<span class="_ _5"> </span>is<span class="_ _5"> </span>provided<span class="_"> </span>par<span class="_ _9"></span>tially<span class="_ _a"></span>.<span class="_ _b"> </span>It<span class="_"> </span>is<span class="_ _5"> </span>possible<span class="_"> </span>to<span class="_ _5"> </span>f<span class="_ _0"></span>ollow<span class="_"> </span>the<span class="_ _5"> </span>notes<span class="_"> </span>without<span class="_ _5"> </span>any</div><div class="t m0 x6 h5 ye ff1 fs3 fc0 sc0 ls0 ws0">par<span class="_ _9"></span>ticular<span class="_ _5"> </span>prerequisites,<span class="_ _5"> </span>but<span class="_ _5"> </span>basic<span class="_ _5"> </span>knowledge<span class="_ _5"> </span>of<span class="_ _2"> </span>linear<span class="_ _5"> </span>algebra,<span class="_ _5"> </span>signal<span class="_ _2"> </span>processing<span class="_ _5"> </span>and<span class="_ _5"> </span>patter<span class="_ _9"></span>n<span class="_ _5"> </span>recognition</div><div class="t m0 x6 h5 yf ff1 fs3 fc0 sc0 ls0 ws0">is<span class="_"> </span>of<span class="_"> </span>great<span class="_"> </span>adv<span class="_ _0"></span>antage.</div><div class="t m0 x7 h6 y10 ff2 fs1 fc0 sc0 ls0 ws0">Prerequisites<span class="_ _c"> </span><span class="ff1">basic<span class="_"> </span>programming<span class="_"> </span>skills;<span class="_"> </span>enthusiasm<span class="_"> </span>to<span class="_"> </span>write<span class="_"> </span>a<span class="_"> </span>lot<span class="_"> </span>of<span class="_"> </span>code</span></div><div class="t m0 x7 h6 y11 ff2 fs1 fc0 sc0 ls0 ws0">Recommended<span class="_ _d"> </span><span class="ff1">basic<span class="_"> </span>statistical<span class="_"> </span>pattern<span class="_"> </span>recognition,<span class="_"> </span>basic<span class="_"> </span>linear<span class="_"> </span>algebra,<span class="_"> </span>basic<span class="_"> </span>signal<span class="_"> </span>processing</span></div><div class="t m0 x7 h7 y12 ff2 fs4 fc0 sc0 ls0 ws0">Contents</div><div class="t m0 x7 h6 y13 ff2 fs1 fc0 sc0 ls0 ws0">1<span class="_ _e"> </span>Introduction<span class="_ _f"> </span>5</div><div class="t m0 x8 h3 y14 ff1 fs1 fc0 sc0 ls0 ws0">1.1<span class="_ _10"> </span>Related<span class="_"> </span>Fields<span class="_ _e"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _3"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _3"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _12"> </span>5</div><div class="t m0 x8 h3 y15 ff1 fs1 fc0 sc0 ls0 ws0">1.2<span class="_ _10"> </span>Recognition<span class="_"> </span>-<span class="_"> </span>An<span class="_"> </span>Overview<span class="_ _e"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _12"> </span>6</div><div class="t m0 x8 h3 y16 ff1 fs1 fc0 sc0 ls0 ws0">1.3<span class="_ _10"> </span>Areas<span class="_"> </span>of<span class="_"> </span>Application<span class="_"> </span>(Examples)<span class="_ _10"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _12"> </span>7</div><div class="t m0 x8 h3 y17 ff1 fs1 fc0 sc0 ls0 ws0">1.4<span class="_ _10"> </span>Organization<span class="_"> </span>of<span class="_"> </span>a<span class="_"> </span>Computer<span class="_"> </span>Vision<span class="_"> </span>System<span class="_ _10"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _12"> </span>7</div><div class="t m0 x8 h3 y18 ff1 fs1 fc0 sc0 ls0 ws0">1.5<span class="_ _10"> </span>Historical<span class="_"> </span>Note<span class="_ _13"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _12"> </span>8</div><div class="t m0 x8 h3 y19 ff1 fs1 fc0 sc0 ls0 ws0">1.6<span class="_ _10"> </span>F<span class="_ _0"></span>rom<span class="_"> </span>De<span class="_ _0"></span>v<span class="_ _0"></span>elopment<span class="_"> </span>to<span class="_"> </span>Implementation<span class="_ _13"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _12"> </span>8</div><div class="t m0 x8 h3 y1a ff1 fs1 fc0 sc0 ls0 ws0">1.7<span class="_ _10"> </span>Reading<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _12"> </span>9</div><div class="t m0 x8 h3 y1b ff1 fs1 fc0 sc0 ls0 ws0">1.8<span class="_ _10"> </span>Ex<span class="_ _0"></span>ercises<span class="_ _14"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _d"> </span>10</div><div class="t m0 x7 h6 y1c ff2 fs1 fc0 sc0 ls0 ws0">2<span class="_ _e"> </span>Simple<span class="_"> </span>Image<span class="_"> </span>Manipulations<span class="_ _15"> </span>11</div><div class="t m0 x8 h3 y1d ff1 fs1 fc0 sc0 ls0 ws0">2.1<span class="_ _10"> </span>Image<span class="_"> </span>F<span class="_ _0"></span>ormat,<span class="_"> </span>Thresholding,<span class="_"> </span>Conversion<span class="_ _16"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _d"> </span>11</div><div class="t m0 x8 h3 y1e ff1 fs1 fc0 sc0 ls0 ws0">2.2<span class="_ _10"> </span>F<span class="_ _0"></span>ace<span class="_"> </span>P<span class="_ _17"></span>ar<span class="_ _9"></span>t<span class="_"> </span>Detection<span class="_ _10"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _d"> </span>14</div><div class="t m0 x8 h3 y1f ff1 fs1 fc0 sc0 ls0 ws0">2.3<span class="_ _10"> </span>Ex<span class="_ _0"></span>ercises<span class="_ _14"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _d"> </span>15</div><div class="t m0 x5 h3 y20 ff1 fs1 fc0 sc0 ls0 ws0">2.3.1<span class="_ _d"> </span>Displa<span class="_ _17"></span>ying<span class="_"> </span>an<span class="_"> </span>Image,<span class="_"> </span>Coordinate<span class="_"> </span>System<span class="_ _13"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _d"> </span>15</div><div class="t m0 x5 h3 y21 ff1 fs1 fc0 sc0 ls0 ws0">2.3.2<span class="_ _d"> </span>Localizing<span class="_"> </span>F<span class="_ _a"></span>ace<span class="_"> </span>P<span class="_ _0"></span>ar<span class="_ _9"></span>ts<span class="_ _13"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _d"> </span>16</div><div class="t m0 x7 h6 y22 ff2 fs1 fc0 sc0 ls0 ws0">3<span class="_ _e"> </span>Image<span class="_"> </span>Processing<span class="_"> </span>I:<span class="_"> </span>Scale<span class="_"> </span>Space,<span class="_"> </span>Pyramid<span class="_"> </span>and<span class="_"> </span>Gradient<span class="_"> </span>Image<span class="_ _18"> </span>17</div><div class="t m0 x8 h3 y23 ff1 fs1 fc0 sc0 ls0 ws0">3.1<span class="_ _10"> </span>Scale<span class="_"> </span>Space<span class="_ _e"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _d"> </span>18</div><div class="t m0 x8 h3 y24 ff1 fs1 fc0 sc0 ls0 ws0">3.2<span class="_ _10"> </span>Pyramid<span class="_ _3"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _d"> </span>19</div><div class="t m0 x8 h3 y25 ff1 fs1 fc0 sc0 ls0 ws0">3.3<span class="_ _10"> </span>Gradient<span class="_"> </span>Image<span class="_ _19"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _d"> </span>20</div><div class="t m0 x8 h3 y26 ff1 fs1 fc0 sc0 ls0 ws0">3.4<span class="_ _10"> </span>Ex<span class="_ _0"></span>ercises<span class="_ _14"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _11"> </span>.<span class="_ _8"> </span>.<span class="_ _8"> </span>.<span class="_ _d"> </span>21</div><div class="t m0 x9 h3 y27 ff1 fs1 fc0 sc0 ls0 ws0">1</div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" 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