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  • VHDL
    开发工具
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  • 2011-07-31 17:08
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从摄像头获取视频,进行视频输入,然后进行图像采集与处理
video-input.rar
  • video_input
  • hdl
  • camera_fifo.v
    6.5KB
  • videoin.v
    10.6KB
  • colour_bars.v
    4.5KB
  • pack565.v
    3.8KB
  • avalon_register_slave.v
    7.9KB
  • camera_gray_count.v
    3KB
  • dual_port_fifo.v
    9.7KB
  • bt656_rx.v
    6.1KB
  • mult6x7.v
    5.2KB
  • mult6x6.v
    5.2KB
  • csc.v
    3.7KB
  • avalon_wr_dma_fifo.v
    8.5KB
  • yscale.v
    14.2KB
  • rgb_fifo.v
    17KB
  • clip.v
    2.8KB
  • videoin_harness.v
    7.7KB
  • xscale.v
    6.7KB
  • camera.v
    6.6KB
  • gray_count.v
    3.3KB
  • line_buffer_ram.v
    9.3KB
  • inc
  • camera.c
    5.7KB
  • videoin.c
    2.9KB
  • camera.h
    1.6KB
  • videoin.h
    2.6KB
  • Desktop.ini
    77B
  • an373.pdf
    154.2KB
  • class.ptf
    172KB
  • cb_generator.pl
    30.5KB
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/622bb78f15da9b288be0478e/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/622bb78f15da9b288be0478e/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">Altera Corporation <span class="_ _0"> </span> <span class="_ _1"> </span>1</div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls1 ws1">AN-373-1.0<span class="_ _2"> </span><span class="fc1 ls2">Preliminary</span></div><div class="t m0 x2 h2 y3 ff1 fs0 fc1 sc0 ls2 ws2">Application Note 373</div><div class="t m0 x3 h3 y4 ff1 fs1 fc0 sc0 ls3 ws3">A<span class="_ _3"></span>v<span class="_ _4"></span>alon Video Input Module</div><div class="t m0 x1 h4 y5 ff2 fs2 fc0 sc0 ls4 ws1">Introduction</div><div class="t m0 x4 h5 y6 ff3 fs3 fc0 sc0 ls5 ws4">The A<span class="_ _3"></span>valon</div><div class="t m0 x5 h6 y7 ff3 fs4 fc0 sc0 ls6 ws1">&#8482;</div><div class="t m0 x6 h5 y6 ff3 fs3 fc0 sc0 ls7 ws5"> video input module pr<span class="_ _4"></span>ovides a flexible video<span class="_ _4"></span> capture </div><div class="t m0 x4 h5 y8 ff3 fs3 fc0 sc0 ls8 ws6">solution, which may be im<span class="_ _4"></span>plemented in Altera</div><div class="t m0 x7 h6 y9 ff3 fs4 fc0 sc0 ls6 ws1">&#174;</div><div class="t m0 x8 h5 y8 ff3 fs3 fc0 sc0 ls9 ws7"> Cyclone</div><div class="t m0 x9 h6 y9 ff3 fs4 fc0 sc0 ls6 ws1">&#8482;</div><div class="t m0 xa h5 y8 ff3 fs3 fc0 sc0 ls6 ws8"> or Stratix</div><div class="t m0 xb h6 y9 ff3 fs4 fc0 sc0 ls6 ws1">&#174;</div><div class="t m0 xc h5 y8 ff3 fs3 fc0 sc0 ls6 ws1"> </div><div class="t m0 x4 h5 ya ff3 fs3 fc0 sc0 ls5 ws4">devices, and has the following featur<span class="_ _4"></span>es:</div><div class="t m0 x4 h5 yb ff4 fs0 fc2 sc0 ls6 ws1">&#9632;<span class="_ _5"> </span><span class="ff3 fs3 fc0 ws8">Component video interface to VGA camera module</span></div><div class="t m0 x4 h5 yc ff4 fs0 fc2 sc0 ls6 ws1">&#9632;<span class="_ _5"> </span><span class="ff3 fs3 fc0 ws8">Color-bar test pattern generat<span class="_ _4"></span>or</span></div><div class="t m0 x4 h5 yd ff4 fs0 fc2 sc0 ls6 ws1">&#9632;<span class="_ _5"> </span><span class="ff3 fs3 fc0 lsa ws9">Clipping of input image</span></div><div class="t m0 x4 h5 ye ff4 fs0 fc2 sc0 ls6 ws1">&#9632;<span class="_ _5"> </span><span class="ff3 fs3 fc0 lsb wsa">Horizontal (Y) scaling of input image</span></div><div class="t m0 x4 h5 yf ff4 fs0 fc2 sc0 ls6 ws1">&#9632;<span class="_ _5"> </span><span class="ff3 fs3 fc0 lsc wsb">V<span class="_ _6"></span>ertical (X) scaling of input image</span></div><div class="t m0 x4 h5 y10 ff4 fs0 fc2 sc0 ls6 ws1">&#9632;<span class="_ _5"> </span><span class="ff3 fs3 fc0 lsd wsc">A<span class="_ _6"></span>valon direct memory access (DMA) master to write image(s) to </span></div><div class="t m0 xd h5 y11 ff3 fs3 fc0 sc0 lsa ws9">frame buffer memory</div><div class="t m0 x4 h5 y12 ff4 fs0 fc2 sc0 ls6 ws1">&#9632;<span class="_ _5"> </span><span class="ff3 fs3 fc0 lse wsd">A<span class="_ _6"></span>valon register slave for control and status</span></div><div class="t m0 x1 h4 y13 ff2 fs2 fc0 sc0 lsf ws1">Functional </div><div class="t m0 x1 h4 y14 ff2 fs2 fc0 sc0 ls4 ws1">Description</div><div class="t m0 x4 h5 y15 ff3 fs3 fc3 sc0 ls10 ws1">Figure<span class="_"> </span>1<span class="fc0 lsb wse"> shows the A<span class="_ _6"></span>valon video input module block diagram.</span></div><div class="t m0 x1 h7 y16 ff5 fs3 fc0 sc0 ls6 wsf">Figure<span class="_"> </span>1.<span class="_"> </span>Block Diagram</div><div class="t m0 x4 h5 y17 ff3 fs3 fc3 sc0 ls10 ws1">Figure<span class="_"> </span>2<span class="fc0 ls11 ws10"> shows the signals.</span></div><div class="t m0 xe h8 y18 ff6 fs5 fc4 sc0 ls6 ws1">FIFO</div><div class="t m0 xf h8 y19 ff6 fs5 fc4 sc0 ls6 ws1">Buffer</div><div class="t m0 x10 h8 y1a ff6 fs5 fc4 sc0 ls6 ws1">Color</div><div class="t m0 x11 h8 y1b ff6 fs5 fc4 sc0 ls6 ws1">Bars</div><div class="t m0 x12 h8 y1c ff6 fs5 fc4 sc0 ls6 ws1">T<span class="_ _6"></span>o SDRAM </div><div class="t m0 x12 h8 y1d ff6 fs5 fc4 sc0 ls6 ws1">F<span class="_ _4"></span>rame Buff<span class="_ _4"></span>er</div><div class="t m0 x13 h8 y1e ff6 fs5 fc4 sc0 ls6 ws1">26-MHz</div><div class="t m0 x14 h8 y1f ff6 fs5 fc4 sc0 ls6 ws1">4:2:2</div><div class="t m0 x15 h8 y20 ff6 fs5 fc4 sc0 ls6 ws1">Video</div><div class="t m0 x16 h8 y21 ff6 fs5 fc4 sc0 ls6 ws1">X-Scaling</div><div class="t m0 x17 h8 y22 ff6 fs5 fc4 sc0 ls6 ws1">A<span class="_ _4"></span>valon</div><div class="t m0 x18 h8 y23 ff6 fs5 fc4 sc0 ls6 ws1">DMA</div><div class="t m0 x17 h8 y24 ff6 fs5 fc4 sc0 ls6 ws1">Master</div><div class="t m0 x19 h8 y22 ff6 fs5 fc4 sc0 ls6 ws1">Line </div><div class="t m0 x1a h8 y23 ff6 fs5 fc4 sc0 ls6 ws1">Buffers &amp;</div><div class="t m0 x1a h8 y24 ff6 fs5 fc4 sc0 ls6 ws1">Y<span class="_ _6"></span>-Scaling</div><div class="t m0 x1b h8 y25 ff6 fs5 fc4 sc0 ls6 ws1">RGB FIFO</div><div class="t m0 x1c h8 y26 ff6 fs5 fc4 sc0 ls6 ws1">Buffer</div><div class="t m0 x1d h8 y27 ff6 fs5 fc4 sc0 ls6 ws1">Clipping</div><div class="t m0 x1e h8 y28 ff6 fs5 fc4 sc0 ls6 ws1">Video Input</div><div class="t m0 x1f h8 y29 ff6 fs5 fc4 sc0 ls6 ws1">&amp; FIFO</div><div class="t m0 x20 h8 y2a ff6 fs5 fc4 sc0 ls6 ws1">Buffer</div><div class="t m0 x21 h8 y28 ff6 fs5 fc4 sc0 ls6 ws1">Color</div><div class="t m0 xf h8 y29 ff6 fs5 fc4 sc0 ls6 ws1">Space</div><div class="t m0 x22 h8 y2a ff6 fs5 fc4 sc0 ls6 ws1">Conv<span class="_ _4"></span>er<span class="_ _7"></span>ter</div><div class="t m0 xf h8 y2b ff6 fs5 fc4 sc0 ls6 ws1">A<span class="_ _4"></span>valon</div><div class="t m0 x23 h8 y2c ff6 fs5 fc4 sc0 ls6 ws1">Register</div><div class="t m0 xe h8 y2d ff6 fs5 fc4 sc0 ls6 ws1">Slav<span class="_ _4"></span>e</div><div class="t m0 x24 h9 y2e ff2 fs6 fc1 sc0 ls12 ws11">Version 1.0, December 2004</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></div><div class="pi" data-data='{"ctm":[1.904762,0.000000,0.000000,1.904762,0.000000,0.000000]}'></div></div> </body> </html>
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