imnoise3.m ( File view )

  • By yueqiaohuayuan 2014-11-17
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			function [r, R, S] = imnoise3(M, N, C, A, B)
%IMNOISE3 Generates periodic noise.
%    [r, R, S] = IMNOISE3(M, N, C, A, B), generates a spatial
%    sinusoidal noise pattern, r, of size M-by-N, its Fourier
%    transform, R, and spectrum, S.  The remaining parameters are:
%
%    C is a K-by-2 matrix with K pairs of freq. domain coordinates (u,
%    v) that define the locations of impulses in the freq. domain. The
%    locations are with respect to the frequency rectangle center at
%    (floor(M/2) + 1, floor(N/2) + 1).  The impulse locations are spe-
%    cified as increments with respect to the center. For ex, if M =
%    N = 512, then the center is at (257, 257). To specify an impulse
%    at (280, 300) we specify the pair (23, 43); i.e., 257 + 23 = 280,
%    and 257 + 43 = 300. Only one pair of coordinates is required for
%    each impulse.  The conjugate pairs are generated automatically. 
%
%    A is a 1-by-K vector that contains the amplitude of each of the
%    K impulse pairs. If A is not included in the argument, the
%    default used is A = ONES(1, K).  B is then automatically set to
%    its default values (see next paragraph).  The value specified
%    for A(j) is associated with the coordinates in C(j, 1:2). 
%
%    B is a K-by-2 matrix containing the Bx and By phase components
%    for each impulse pair.  The default values for B are B(1:K, 1:2)
%    = 0.
  
%   Copyright 2002-2004 
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0_Read_Me_First.txt5.00 kB2012-02-29|09:51
Contents.m5.98 kB2012-02-29|09:51
Readme.m5.30 kB2012-02-29|09:51
adpmedian.m1.54 kB2012-02-29|09:51
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huffman.m2.82 kB2012-02-29|09:51
ice.fig45.71 kB2012-02-29|09:51
ice.m26.30 kB2012-02-29|09:51
ice_stand_alone.m46.55 kB2012-02-29|09:51
ifrdescp.m1.38 kB2012-02-29|09:51
ifwtcompare.m1.12 kB2012-02-29|09:51
im2jpeg.m2.90 kB2012-02-29|09:51
im2jpeg2k.m3.97 kB2012-02-29|09:51
imnoise2.m4.20 kB2012-02-29|09:51
imnoise3.m2.12 kB2012-02-29|09:51
improd.m791.00 B2012-02-29|09:51
imratio.m1.30 kB2012-02-29|09:51
imstack2vectors.m1.83 kB2012-02-29|09:51
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jpeg2im.m2.41 kB2012-02-29|09:51
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lpc2mat.m1.42 kB2012-02-29|09:51
lpfilter.m1.44 kB2012-02-29|09:51
mahalanobis.m1.97 kB2012-02-29|09:51
manualhist.m1.75 kB2012-02-29|09:51
mat2huff.m2.75 kB2012-02-29|09:51
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polyangles.m6.14 kB2012-02-29|09:51
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randvertex.m1.15 kB2012-02-29|09:51
regiongrow.m1.66 kB2012-02-29|09:51
rgb2hsi.m1.46 kB2012-02-29|09:51
rgbcube.m1.98 kB2012-02-29|09:51
signature.m4.45 kB2012-02-29|09:51
specxture.m2.57 kB2012-02-29|09:51
spfilt.m3.78 kB2012-02-29|09:51
splitmerge.m4.13 kB2012-02-29|09:51
statmoments.m1.72 kB2012-02-29|09:51
statxture.m1.55 kB2012-02-29|09:51
strsimilarity.m1.78 kB2012-02-29|09:51
subim.m713.00 B2012-02-29|09:51
twodsin.m1.04 kB2012-02-29|09:51
twomodegauss.m1.16 kB2012-02-29|09:51
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unravel.m967.00 B2012-02-29|09:51
unravel.mexaxp24.00 kB2012-02-29|09:51
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unravel.mexmac8.68 kB2012-02-29|09:51
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unravel.mexsg24.44 kB2012-02-29|09:51
unravel.mexsol8.54 kB2012-02-29|09:51
vistformfwd.m1.66 kB2012-02-29|09:51
wave2gray.m4.67 kB2012-02-29|09:51
waveback.m4.52 kB2012-02-29|09:51
wavecopy.m940.00 B2012-02-29|09:51
wavecut.m1.06 kB2012-02-29|09:51
wavefast.m4.14 kB2012-02-29|09:51
wavefilter.m4.77 kB2012-02-29|09:51
wavepaste.m1.04 kB2012-02-29|09:51
wavework.m3.45 kB2012-02-29|09:51
wavezero.m696.00 B2012-02-29|09:51
x2majoraxis.m3.59 kB2012-02-29|09:51
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