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物体运动估计源代码,适用于水下视屏监控系统,用matlab编程
yundongguji.rar
  • matlab的运动估计原代码
  • 4.bmp
    21.4KB
  • Lucas_Kanade.m
    6.8KB
  • Lucas.doc
    166KB
  • 1.bmp
    62.6KB
  • tests.m
    298B
  • 2.bmp
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内容介绍
<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://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/6275d387602a7856feda7b05/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/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://static.pudn.com/prod/directory_preview_static/6275d387602a7856feda7b05/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">Lucas &#8211; Kanade Motion Estimation using Pyramids</div><div class="t m0 x2 h4 y3 ff2 fs1 fc0 sc0 ls0 ws0">Musawir Ali Shah</div><div class="t m0 x3 h5 y4 ff3 fs2 fc0 sc0 ls0 ws0"> <span class="_ _0"> </span> <span class="_ _0"> </span> </div><div class="t m0 x3 h5 y5 ff3 fs2 fc0 sc0 ls0 ws0">_______________________________________________________________________________</div><div class="t m0 x4 h5 y6 ff3 fs2 fc0 sc0 ls0 ws0"> <span class="_ _1"> </span> </div><div class="t m0 x3 h5 y7 ff3 fs2 fc0 sc0 ls0 ws0">_______________________________________________________________________________</div><div class="t m0 x3 h5 y8 ff3 fs2 fc0 sc0 ls0 ws0">The image sequences above show two consecutive frames from a video and their corresponding<span class="_ _2"></span> </div><div class="t m0 x3 h5 y9 ff3 fs2 fc0 sc0 ls0 ws0">optical flow quiver plot. Note that the plot is not very dense. This is because one arrow is drawn </div><div class="t m0 x3 h5 ya ff3 fs2 fc0 sc0 ls0 ws0">for 10 pixels, as requested in the assignment specification. </div><div class="t m0 x3 h6 yb ff4 fs2 fc0 sc0 ls0 ws0">The Algorithm:</div><div class="t m0 x3 h5 yc ff3 fs2 fc0 sc0 ls0 ws0">The Lucas-Kanade algorithm for motion estimation was used, and was implemented in Matlab due</div><div class="t m0 x3 h5 yd ff3 fs2 fc0 sc0 ls0 ws0">to the fact that most of the matrix operation functions that are needed are<span class="_ _2"></span> already available and </div><div class="t m0 x3 h5 ye ff3 fs2 fc0 sc0 ls0 ws0">hence saves time by not having to implement these functions again. </div><div class="t m0 x3 h5 yf ff3 fs2 fc0 sc0 ls0 ws0">The optical flow equation is as follows:</div><div class="t m0 x3 h5 y10 ff3 fs2 fc0 sc0 ls0 ws0">Fx*u + Fy*v = -Ft</div><div class="t m0 x3 h5 y11 ff3 fs2 fc0 sc0 ls0 ws0">We consider a window, and write the optical flow set of equations as follows:</div><div class="t m0 x3 h5 y12 ff3 fs2 fc0 sc0 ls0 ws0">Fx1*u + Fy1*v = -Ft1</div><div class="t m0 x3 h5 y13 ff3 fs2 fc0 sc0 ls0 ws0">Fx2*u + Fy2*v = -Ft2</div></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div> </body> </html>
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