function?[x1phix2psi]?=?cascade（hgdx）
%?Wavelet?cascade?algorithm

c?=?h{1}*2/sum（h{1}）;
x?=?0:dx:length（c）?-?1;
x1?=?x?-?h{2};
phi0?=?1?-?abs（linspace（-11length（x）））.‘;

ii?=?[];?jj?=?[];?s?=?[];

for?k?=?1:length（c）
???xk?=?2*x?-?（k-1）;
???i?=?find（xk?>=?0?&?xk?<=?length（c）?-?1）;
???ii?=?[iii];
???jj?=?[jjfloor（xk（i）/dx）+1];
???s?=?[sc（k）+zeros（size（i））];
end

%?Construct?a?sparse?linear?operator?that?iterates?the?dilation?equation
Dilation?=?sparse（iijjslength（x）length（x））;

for?N?=?1:30
???phi?=?Dilation*phi0;
???if?norm（phi?-?phi0inf）????phi0?=?phi;
end

if?norm（phi）?==?0
???phi?=?ones（size（phi））*sqrt（2）;???%?Special?case?for?Haar?scaling?function
else
???phi?=?phi/（norm（phi）*sqrt（dx））;??%?Rescale?result
end

if?nargout?>?2
???phi2?=?phi（1:2:end）;??%?phi2?is?approximately?phi（2x）

???if?length（c）?==?2
??????L?=?length（phi2）;
???else
??????L?=?ceil（0.5/dx）;
???end

???%?Construct?psi?from?translates?of?phi2

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????177851??2003-11-11?01:45??小波壓縮（含有壓縮指標和GUI）\barbara.png

?????文件???????1235??2008-12-22?10:11??小波壓縮（含有壓縮指標和GUI）\cascade.m

?????文件???????1191??2009-05-17?15:30??小波壓縮（含有壓縮指標和GUI）\dec.asv

?????文件???????1191??2009-05-17?15:33??小波壓縮（含有壓縮指標和GUI）\dec.m

?????文件????????859??2008-12-27?20:09??小波壓縮（含有壓縮指標和GUI）\decode.asv

?????文件????????289??2009-04-24?10:40??小波壓縮（含有壓縮指標和GUI）\double2uint.asv

?????文件????????314??2009-05-16?15:57??小波壓縮（含有壓縮指標和GUI）\double2uint.m

?????文件????????137??2008-12-27?15:36??小波壓縮（含有壓縮指標和GUI）\Dvalue.asv

?????文件????????305??2008-12-27?16:24??小波壓縮（含有壓縮指標和GUI）\Dvalue.m

?????文件???????1211??2008-12-22?10:11??小波壓縮（含有壓縮指標和GUI）\filterstr.m

?????文件???????9779??2008-12-22?10:08??小波壓縮（含有壓縮指標和GUI）\getwavelet.m

?????文件?????262874??2008-12-22?09:01??小波壓縮（含有壓縮指標和GUI）\lena.bmp

?????文件????????446??2008-12-22?10:09??小波壓縮（含有壓縮指標和GUI）\lp_lift.m

?????文件???????1090??2009-06-16?16:36??小波壓縮（含有壓縮指標和GUI）\main.m

?????文件??????12248??2002-01-19?00:01??小波壓縮（含有壓縮指標和GUI）\medA.gif

?????文件??????40405??2002-01-19?00:02??小波壓縮（含有壓縮指標和GUI）\medB.gif

?????文件????????243??2008-12-22?10:11??小波壓縮（含有壓縮指標和GUI）\numvanish.m

?????文件?????199406??2016-05-19?22:07??小波壓縮（含有壓縮指標和GUI）\orimg.mat

?????文件????????255??2008-03-27?10:07??小波壓縮（含有壓縮指標和GUI）\PSNR.m

?????文件???????3498??2008-12-27?13:52??小波壓縮（含有壓縮指標和GUI）\quantize.asv

?????文件???????3846??2008-12-27?15:29??小波壓縮（含有壓縮指標和GUI）\quantize.m

?????文件????????206??2008-12-27?16:06??小波壓縮（含有壓縮指標和GUI）\Recover_Dvalue.asv

?????文件????????214??2008-12-27?16:21??小波壓縮（含有壓縮指標和GUI）\Recover_Dvalue.m

?????文件???????1797??2009-05-16?21:25??小波壓縮（含有壓縮指標和GUI）\RLC.asv

?????文件???????1820??2009-05-17?15:01??小波壓縮（含有壓縮指標和GUI）\RLC.m

?????文件????????235??2009-04-24?11:45??小波壓縮（含有壓縮指標和GUI）\select.asv

?????文件????????277??2009-04-24?11:46??小波壓縮（含有壓縮指標和GUI）\select.m

?????文件????????979??2008-12-22?10:08??小波壓縮（含有壓縮指標和GUI）\seqdual.m

?????文件?????????82??2008-12-27?10:58??小波壓縮（含有壓縮指標和GUI）\uint2double.asv

?????文件?????????82??2008-12-27?10:58??小波壓縮（含有壓縮指標和GUI）\uint2double.m

............此處省略11個文件信息