%?Compressive?Imaging?Reconstruction?Tests
%
%?Written?by:?Marco?F.?Duarte
%?????????????Digital?Signal?Processing?Group
%?????????????Rice?University
%?????????????November?14?2006
%
%?Requires?l1-Magic?available?at?http://www.l1-magic.org
%?NOTE:?The?‘Optimization‘?folder?in?the?l1-Magic?toolbox?must?be?in?the
%?path

%?
%?CONFIGURABLE?PARAMETERS
%
clear?all;
%?Test?picture?name.?Options?include?‘Ball‘‘Mug‘‘Dice‘‘Logo‘?‘R‘
picname?=?‘Ball‘;
%?Picture?size?（sidelength?in?pixels）.?Options?include?32?64?128
sidelength?=?64;
%?Subsampling?rate:?ratio?between?M?（number?of?samples）?and?image?size?in
%?pixels?（picsize^2）
subrate?=?0.5;
%?Optimization?parameters
epsilon?=?0.01;

%
%?script
%

%?Load?measurements?-?Column?Vector
eval（[‘load?‘?picname?‘_‘?num2str（sidelength）]）;

%?Image?size
N?=?sidelength^2;

%?Get?desired?number?of?samples
y?=?y（1:（round（N*subrate）））;

%?Number?of?measurements
M?=?length（y）;

%?Load?measurement?matrix?and?truncate
%?Each?row?of?Phi?contains?a?measurement?vector?of?length?N
%?and?is?a?raster?scan?of?the?0/1?pattern?fed?to?the?DMD
eval（[‘load?Phi_‘?num2str（sidelength）]）
Phi?=?Phi（1:M:）;

%?Set?initial?solution?and?run?TV?minimizer
%?Output?is?in?column?format?raster?scan?of?reconstructed?image
%?Initial?point:?minimum?energy
x0?=?Phi\y;
estIm?=?tvqc_logbarrier（x0?Phi?[]?y?epsilon1e-42）;

%?Reshape?output;?flip?upside?down
xtvqc?=?reshape（estImsqrt（N）sqrt（N））;
xtvqc?=?flipud（xtvqc）;

%?Normalize?output
xtvqc?=?（xtvqc-min（min（xtvqc）））/（max（max（xtvqc））-min（min（xtvqc）））;

%?Show?reconstruction
figureimagesc（xtvqc）colormap（gray）axis?image

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-06-23?20:36??cscameradata\
?????文件???????29656??2006-11-15?04:04??cscameradata\Ball_128.mat
?????文件????????8429??2006-11-15?04:17??cscameradata\Ball_32.mat
?????文件???????30027??2006-11-15?04:17??cscameradata\Ball_64.mat
?????文件???????29716??2006-11-15?04:07??cscameradata\Dice_128.mat
?????文件????????8457??2006-11-15?04:17??cscameradata\Dice_32.mat
?????文件???????30658??2006-11-15?04:17??cscameradata\Dice_64.mat
?????文件????????1346??2006-11-15?04:07??cscameradata\Logo_128.mat
?????文件????????8241??2006-11-15?04:17??cscameradata\Logo_32.mat
?????文件???????29783??2006-11-15?04:17??cscameradata\Logo_64.mat
?????文件???????33542??2006-11-15?04:08??cscameradata\Mug_128.mat
?????文件????????8003??2006-11-15?04:17??cscameradata\Mug_32.mat
?????文件???????30163??2006-11-15?04:17??cscameradata\Mug_64.mat
?????文件????13061523??2006-11-15?04:08??cscameradata\Phi_128.mat
?????文件??????237246??2006-11-15?04:08??cscameradata\Phi_32.mat
?????文件?????2936553??2006-11-15?04:08??cscameradata\Phi_64.mat
?????文件???????29775??2006-11-15?04:08??cscameradata\R_128.mat
?????文件????????8221??2006-11-15?04:17??cscameradata\R_32.mat
?????文件???????30768??2006-11-15?04:17??cscameradata\R_64.mat
?????文件???????32502??2014-06-22?18:00??cscameradata\ball64.fig
?????文件????????1606??2014-06-22?17:33??cscameradata\cscamera_test.m
?????文件????????1316??2014-06-22?17:13??cscameradata\cscamera_test_hang.asv
?????文件????????1316??2014-06-22?17:14??cscameradata\cscamera_test_hang.m
?????文件????????1219??2014-06-22?17:07??cscameradata\hang.jpg
?????文件????????2488??2014-06-22?15:52??cscameradata\hang64.jpg
?????文件????????9673??2006-11-15?04:51??cscameradata\pathdef.m
?????文件????????2880??2006-04-21?05:33??cscameradata\tvqc_logbarrier.m
?????文件????????5563??2006-04-21?05:33??cscameradata\tvqc_newton.m