資源簡介
矩不變量,適用于圖像匹配,數字水印,圖像重建
代碼片段和文件信息
function [A_nmzmlistcidxV_nm] =?zernike(imgnm)
if?nargin>0
if?nargin==1
n =?0;
end
d =?size(img);
img =?double(img);
xstep =?2/(d(1)-1);
ystep =?2/(d(2)-1);
[xy] =?meshgrid(-1:xstep:1-1:ystep:1);
circle1 =?x.^2?+?y.^2;
inside =?find(circle1<=1);
mask =?zeros(d);
mask(inside) =?ones(size(inside));
[cimgcidx] =?clipimg(imgmask);
z =?clipimg(x+i*ymask);
p =?0.9*abs(z);???
theta =?angle(z);
c =?1;
for?order=1:length(n)
n1 =?n(order);
if?nargin<3
m =?zpossible(n1);
end
for?r=1:length(m)
V_nmt =?zpoly(n1m(r)ptheta);
zprod =?cimg.*conj(V_nmt);
A_nm(c) =?(n1+1)*sum(sum(zprod))/pi;
zmlist(c1:2) =?[n1?m(r)];
if?nargout==4
V_nm(:c) =?V_nmt;
end
c =?c+1;
end
end
else
end
function?[cimgcindexdim] =?
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????705654??2005-09-23?14:16??zernike\1.bmp
?????文件?????705654??2005-09-23?14:34??zernike\10.bmp
?????文件???????8254??2006-08-30?11:09??zernike\100.bmp
?????文件??????56614??2010-11-12?11:06??zernike\1000.bmp
?????文件???????8254??2006-08-28?09:56??zernike\101.bmp
?????文件???????8254??2006-08-28?09:13??zernike\102.bmp
?????文件???????8254??2006-08-28?09:14??zernike\103.bmp
?????文件???????8254??2006-08-28?09:56??zernike\104.bmp
?????文件???????8254??2006-08-28?09:59??zernike\105.bmp
?????文件???????8254??2006-08-28?09:58??zernike\106.bmp
?????文件???????8254??2006-08-28?09:53??zernike\107.bmp
?????文件???????8254??2006-09-02?22:37??zernike\108.bmp
?????文件???????8254??2006-08-28?10:01??zernike\109.bmp
?????文件???????8254??2006-08-28?09:51??zernike\110.bmp
?????文件???????8254??2006-08-28?09:50??zernike\111.bmp
?????文件???????8254??2006-08-28?09:50??zernike\112.bmp
?????文件???????8254??2006-08-28?10:04??zernike\113.bmp
?????文件???????8254??2006-08-28?10:07??zernike\114.bmp
?????文件???????8254??2006-08-28?10:08??zernike\115.bmp
?????文件???????8254??2006-08-28?10:09??zernike\116.bmp
?????文件?????705654??2005-09-23?14:44??zernike\15.bmp
?????文件?????705654??2005-09-23?14:48??zernike\16.bmp
?????文件?????705654??2005-09-23?14:58??zernike\17.bmp
?????文件?????705654??2005-09-23?15:00??zernike\18.bmp
?????文件???????8254??2006-08-30?10:11??zernike\201.bmp
?????文件???????8254??2006-08-30?21:02??zernike\202.bmp
?????文件???????8254??2006-08-30?21:03??zernike\203.bmp
?????文件???????8254??2006-08-30?21:04??zernike\204.bmp
?????文件?????705654??2005-09-23?15:08??zernike\22.bmp
?????文件?????705654??2005-09-23?15:27??zernike\23.bmp
............此處省略47個文件信息
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