%?Written?by?Thong?Do?JHU?2007
%?modified?Feb.?2008

function?alpha?=?At_dwt1d（Atbh0h1Lmn）
%?alpha:?sparse?vector?which?is?taken?from?Wavelet?transform?of?image?x
%?A:?random?projection?matrix?K?x?N
%?h0?h1:?lowpass?and?highpass?filter?at?the?analysis?part
%?L:?level?of?decomposition
%?m?n:?size?of?image
%?Return?b:?vector?K?x?1

%?converting?measurements?into?samples
if?~isa（At?‘function_handle‘）
????x?=?At*b;
else
????x?=?At（b）;
end
%?converting?samples?into?wavelet?coefficients?（sparse?representation）
im?=?reshape（xmn）;
u?=?dwt2d（imh0h1L）;
alpha?=?u（:）;

?屬性????????????大小?????日期????時間???名稱
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?????文件???????1679??2008-04-02?14:36??blk_t1d.m

?????文件???????1504??2008-04-02?14:22??blk_t1d.asv

?????文件????????590??2008-04-04?11:47??contents.m

?????文件???????1024??2008-04-04?11:43??fft1d_f.m

?????文件????????763??2008-04-02?14:42??fft1d_f.asv

?????文件???????1111??2008-04-02?14:52??fft1d_t.m

?????文件???????1105??2008-04-02?14:52??fft1d_t.asv

?????文件????????841??2008-04-01?08:36??A_f1d.asv

?????文件????????670??2008-02-20?01:23??A_idwt1d.m

?????文件????????605??2008-02-20?01:23??At_dwt1d.m

?????文件???????1909??2008-04-04?11:30??blk_f1d.m

?????文件???????1857??2008-04-02?14:57??blk_f1d.asv

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????????????????13658????????????????????12