可控金字塔（steerable pyramids）的代码程序 - matlab算法设计 - 谷速源码
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标题：可控金字塔（steerable pyramids）的代码程序
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所属分类: 算法设计 资源类型：程序源码 文件大小: 127.39 KB 上传时间: 2019-06-16 15:40:37 下载次数: 66 资源积分：1分 提 供 者: zhangsan456 matlabPyrTools
内容：
可控金字塔（steerable pyramids）的代码程序
% IM = mkFract(SIZE, FRACT_DIM)
%
% Make a matrix of dimensions SIZE (a [Y X] 2-vector, or a scalar)
% containing fractal (pink) noise with power spectral density of the
% form: 1/f^(5-2*FRACT_DIM).  Image variance is normalized to 1.0.
% FRACT_DIM defaults to 1.0
 
% Eero Simoncelli, 6/96.
 
%% TODO: Verify that this  matches Mandelbrot defn of fractal dimension.
%%       Make this more efficient!
 
function res = mkFract(dims, fract_dim)
 
if (exist('fract_dim') ~= 1)
  fract_dim = 1.0;
end
 
res = randn(dims);
fres = fft2(res);
 
sz = size(res);
ctr = ceil((sz+1)./2);
 
shape = ifftshift(mkR(sz, -(2.5-fract_dim), ctr));
shape(1,1) = 1;  %%DC term
 
fres = shape .* fres;
fres = ifft2(fres);
 
if (max(max(abs(imag(fres)))) > 1e-10)
  error('Symmetry error in creating fractal');
else
  res = real(fres);
  res = res / sqrt(var2(res));
end  

文件列表（点击上边下载按钮，如果是垃圾文件请在下面评价差评或者投诉）:

matlabPyrTools/
matlabPyrTools/MEX/
matlabPyrTools/MEX/.AppleDouble/
matlabPyrTools/ChangeLog
matlabPyrTools/Contents.m
matlabPyrTools/MEX/-MacReadMe
matlabPyrTools/MEX/.AppleDouble/.Parent
matlabPyrTools/MEX/.FBCIndex
matlabPyrTools/README
matlabPyrTools/binomialFilter.m
matlabPyrTools/blur.m
matlabPyrTools/blurDn.m
matlabPyrTools/buildGpyr.m
matlabPyrTools/buildLpyr.m
matlabPyrTools/buildSCFpyr.m
matlabPyrTools/buildSCFpyrLevs.m
matlabPyrTools/buildSFpyr.m
matlabPyrTools/buildSFpyrLevs.m
matlabPyrTools/buildSpyr.m
matlabPyrTools/buildSpyrLevs.m
matlabPyrTools/buildWpyr.m
matlabPyrTools/cconv2.m
matlabPyrTools/clip.m
matlabPyrTools/corrDn.m
matlabPyrTools/entropy2.m
matlabPyrTools/factorial.m
matlabPyrTools/histo.m
matlabPyrTools/histoMatch.m
matlabPyrTools/ifftshift.m
matlabPyrTools/imGradient.m
matlabPyrTools/imStats.m
matlabPyrTools/innerProd.m
matlabPyrTools/kurt2.m
matlabPyrTools/lplot.m
matlabPyrTools/lpyrHt.m
matlabPyrTools/maxPyrHt.m
matlabPyrTools/mean2.m
matlabPyrTools/mkAngle.m
matlabPyrTools/mkAngularSine.m
matlabPyrTools/mkDisc.m
matlabPyrTools/mkFract.m
matlabPyrTools/mkGaussian.m
matlabPyrTools/mkImpulse.m
matlabPyrTools/mkR.m
matlabPyrTools/mkRamp.m
matlabPyrTools/mkSine.m
matlabPyrTools/mkSquare.m
matlabPyrTools/mkZonePlate.m
matlabPyrTools/mod.m
matlabPyrTools/modulateFlip.m
matlabPyrTools/namedFilter.m
matlabPyrTools/nextFig.m
matlabPyrTools/pgmRead.m
matlabPyrTools/pgmWrite.m
matlabPyrTools/pixelAxes.m
matlabPyrTools/pointOp.m
matlabPyrTools/pwd2path.m
matlabPyrTools/pyrBand.m
matlabPyrTools/pyrBandIndices.m
matlabPyrTools/pyrLow.m
matlabPyrTools/range2.m
matlabPyrTools/rconv2.m
matlabPyrTools/rcosFn.m
matlabPyrTools/reconLpyr.m
matlabPyrTools/reconSCFpyr.m
matlabPyrTools/reconSFpyr.m
matlabPyrTools/reconSFpyrLevs.m
matlabPyrTools/reconSpyr.m
matlabPyrTools/reconSpyrLevs.m
matlabPyrTools/reconWpyr.m
matlabPyrTools/setPyrBand.m
matlabPyrTools/shift.m
matlabPyrTools/showIm.m
matlabPyrTools/showLpyr.m
matlabPyrTools/showSpyr.m
matlabPyrTools/showWpyr.m
matlabPyrTools/skew2.m
matlabPyrTools/sp0Filters.m
matlabPyrTools/sp1Filters.m
matlabPyrTools/sp3Filters.m
matlabPyrTools/sp5Filters.m
matlabPyrTools/spyrBand.m
matlabPyrTools/spyrHigh.m
matlabPyrTools/spyrHt.m
matlabPyrTools/spyrLev.m
matlabPyrTools/spyrNumBands.m
matlabPyrTools/steer.m
matlabPyrTools/steer2HarmMtx.m
matlabPyrTools/subMtx.m
matlabPyrTools/upBlur.m
matlabPyrTools/upConv.m
matlabPyrTools/var2.m
matlabPyrTools/vectify.m
matlabPyrTools/wpyrBand.m
matlabPyrTools/wpyrHt.m
matlabPyrTools/wpyrLev.m
matlabPyrTools/zconv2.m

关键词： 可控金字塔

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