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    文件类型: .rar
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    发布日期: 2021-05-27
  • 语言: Matlab
  • 标签: SURF  

资源简介

SURF算法实现特征点的提取与匹配,带有图片,matlab代码,可以立即运行,效果很好。

资源截图

代码片段和文件信息

% Example 2 Corresponding points
% Load images
  I1=imread(‘testc1.png‘);
  I2=imread(‘testc2.png‘);
% Get the Key Points
  Options.upright=true;
  Options.tresh=0.0001;
  Ipts1=OpenSurf(I1Options);
  Ipts2=OpenSurf(I2Options);
% Put the landmark descriptors in a matrix
  D1 = reshape([Ipts1.descriptor]64[]); 
  D2 = reshape([Ipts2.descriptor]64[]); 
% Find the best matches
  err=zeros(1length(Ipts1));
  cor1=1:length(Ipts1); 
  cor2=zeros(1length(Ipts1));
  for i=1:length(Ipts1)
      distance=sum((D2-repmat(D1(:i)[1 length(Ipts2)])).^21);
      [err(i)cor2(i)]=min(distance);
  end
% Sort matches on vector distance
  [err ind]=sort(err); 
  cor1=cor1(ind); 
  cor2=cor2(ind);
% Show both images
  I = zeros([size(I11) size(I12)*2 size(I13)]);
  I(:1:size(I12):)=I1; I(:size(I12)+1:size(I12)+size(I22):)=I2;
  figure imshow(I/255); hold on;
% Show the best matches
  for i=1:30
      c=rand(13);
      plot([Ipts1(cor1(i)).x Ipts2(cor2(i)).x+size(I12)][Ipts1(cor1(i)).y Ipts2(cor2(i)).y]‘-‘‘Color‘c)
      plot([Ipts1(cor1(i)).x Ipts2(cor2(i)).x+size(I12)][Ipts1(cor1(i)).y Ipts2(cor2(i)).y]‘o‘‘Color‘c)
  end

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       1189  2012-03-23 19:50  SURF提取及匹配\example2.m

     文件       1754  2012-03-23 19:53  SURF提取及匹配\example3.m

     文件       1335  2010-09-06 07:21  SURF提取及匹配\license.txt

     文件       3778  2010-09-06 12:27  SURF提取及匹配\OpenSurf.m

     文件        603  2010-07-26 16:56  SURF提取及匹配\SubFunctions\FastHessian_BuildDerivative.m

     文件       1699  2010-07-29 12:10  SURF提取及匹配\SubFunctions\FastHessian_buildResponselayer.m

     文件       1877  2010-07-20 12:37  SURF提取及匹配\SubFunctions\FastHessian_buildResponseMap.m

     文件       2353  2010-07-30 11:43  SURF提取及匹配\SubFunctions\FastHessian_getIpoints.m

     文件        455  2010-07-26 16:56  SURF提取及匹配\SubFunctions\FastHessian_getLaplacian.m

     文件        450  2010-07-26 16:56  SURF提取及匹配\SubFunctions\FastHessian_getResponse.m

     文件       2478  2010-07-30 11:02  SURF提取及匹配\SubFunctions\FastHessian_interpolateExtremum.m

     文件       1680  2010-07-30 10:56  SURF提取及匹配\SubFunctions\FastHessian_isExtremum.m

     文件        738  2010-07-29 16:32  SURF提取及匹配\SubFunctions\FastHessian_Responselayer.m

     文件        791  2010-07-29 10:58  SURF提取及匹配\SubFunctions\IntegralImage_BoxIntegral.m

     文件        494  2010-07-29 16:32  SURF提取及匹配\SubFunctions\IntegralImage_HaarX.m

     文件        556  2010-07-29 16:37  SURF提取及匹配\SubFunctions\IntegralImage_HaarY.m

     文件        796  2010-07-29 10:42  SURF提取及匹配\SubFunctions\IntegralImage_IntegralImage.m

     文件       1089  2010-07-30 11:39  SURF提取及匹配\SubFunctions\PaintSURF.m

     文件       1554  2010-07-30 12:39  SURF提取及匹配\SubFunctions\SurfDescriptor_DecribeInterestPoints.m

     文件       3636  2010-07-30 12:40  SURF提取及匹配\SubFunctions\SurfDescriptor_GetDescriptor.m

     文件       2921  2010-07-30 12:07  SURF提取及匹配\SubFunctions\SurfDescriptor_GetOrientation.m

     文件     239755  2010-09-06 12:22  SURF提取及匹配\TestImages\lena1.png

     文件     211716  2010-09-06 12:22  SURF提取及匹配\TestImages\lena2.png

     文件       5296  2010-07-19 17:38  SURF提取及匹配\TestImages\test.png

     文件     123228  2010-07-26 13:06  SURF提取及匹配\TestImages\testc1.png

     文件     122063  2010-07-26 13:06  SURF提取及匹配\TestImages\testc2.png

     文件       9721  2010-09-06 13:04  SURF提取及匹配\WarpFunctions\affine_warp.m

     目录          0  2012-05-12 17:07  SURF提取及匹配\SubFunctions

     目录          0  2012-05-12 17:07  SURF提取及匹配\TestImages

     目录          0  2012-05-12 17:07  SURF提取及匹配\WarpFunctions

............此处省略4个文件信息

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