addpath（‘bin‘）;

ParamSetting;

%%?Make?measurement?-?projection
load?img128.mat?%?Ground-truth?image

NoiseOn?=?1;????%?0-?without?noise?1-?with?noise

proj?=?CTprojection（imgparam）;

if?NoiseOn?==?1
????I0?=?10000;?%?higher?I0?-?small?noise?smaller?I0?-?high?noise?（You?can?change?this）
????proj_exp?=?poissrnd（?max（I0*exp（-proj）1）?）;
????proj?=?-log（min（proj_exp/I0?1）?）;
else
????I0?=?1;
????proj_exp?=?I0*exp（-proj）;
end

save?proj.mat?proj?proj_exp?I0

%?plot
for?i=1:param.nProj
????figure（1）;?imagesc（max（proj（::i）‘0））;?axis?image;?axis?equal;?colormap?gray;?colorbar;
????title（[‘Degree?:?‘num2str（param.deg（i））]）;
????pause（0.01）;
end
????

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

?????文件???????1050??2015-02-18?19:37??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\bin\backprojection.m

?????文件????????297??2015-02-18?19:37??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\bin\CTbackprojection.m

?????文件????????284??2015-02-18?19:37??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\bin\CTprojection.m

?????文件???????2320??2015-02-18?19:37??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\bin\filtering.m

?????文件????????928??2015-02-18?19:37??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\bin\ParkerWeight.m

?????文件???????1515??2015-02-18?19:37??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\bin\projection.m

?????文件?????189924??2015-02-18?19:37??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\img128.mat

?????文件????????688??2015-02-18?19:37??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\MeasurementGen.m

?????文件???????2205??2015-02-18?19:37??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\ParamSetting.m

?????文件????????289??2015-02-18?19:37??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\ReadMe.txt

?????文件????????488??2015-02-18?19:37??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\Recon1_FDK.m

?????文件????????784??2015-02-18?19:37??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\Recon2_MLEM.m

?????文件????????711??2015-02-18?19:37??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\Recon3_SART.m

?????文件????????940??2015-02-18?19:37??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\Recon4_SQS.m

?????文件???????1564??2020-07-01?09:57??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\resources\addons_core.xml

?????文件?????????92??2020-07-01?09:57??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\resources\matlab_path_entries.xml

?????文件??????26093??2020-07-01?09:57??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\resources\screenshot.png

?????目錄??????????0??2020-07-01?09:58??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\bin

?????目錄??????????0??2020-07-01?09:58??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples\resources

?????目錄??????????0??2020-07-01?09:58??3D?Cone?beam?CT?（CBCT）?projection?backprojection?FDK?iterative?reconstruction?Matlab?examples

-----------?---------??----------?-----??----

???????????????230172????????????????????20