資源簡介
壓縮感知demo CSdemo,圖片壓縮感知的實例程序!運行即可

代碼片段和文件信息
img=im2one(imread(‘G:\matlab?program\標準圖像\Cameraman.bmp‘));
img=im2one(imresize(img[64?64]));
[ab]=size(img);
%物體化為列向量
T=reshape(img[a*b1]);
%生成隨機測量矩陣
M=2000;%壓縮后大小
mes=rand(Ma*b);
%測量
S=mes*T;
%重構選用l1-TV算法參數簡單,恢復效果好,不需要額外的稀疏基,但是耗時久,快速重構可以用TVAL3;
%SAMP算法也可以用,但是需要額外的稀疏基
%重構算法可以暫時不用了解
x0=mes\S;
rec=tvqc_logbarrier(x0?mes?[]?S?0.011e-42);
%評價與顯示
imgre=reshape(rec[ab]);
imgre=im2one((imgre));
cc=corrcoef(imgreimg);
psnr=IMGSNR(imgimgre);
figureimshow(imgre);
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-12-13?11:00??CSdemo\
?????文件?????????611??2017-12-13?10:59??CSdemo\CSdemo.m
?????目錄???????????0??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\
?????目錄???????????0??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Demos\
?????文件????????3961??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Demos\demo_DFT.m
?????文件????????3290??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Demos\demo_barbara.m
?????文件????????2530??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Demos\demo_complex.m
?????文件????????2611??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Demos\demo_phantom.m
?????目錄???????????0??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Fast_Walsh_Hadamard_Transform\
?????文件????????3450??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Fast_Walsh_Hadamard_Transform\fWHtrans.cpp
?????文件????????8416??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Fast_Walsh_Hadamard_Transform\fWHtrans.mexa64
?????文件????????9284??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Fast_Walsh_Hadamard_Transform\fWHtrans.mexmaci
?????文件????????9112??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Fast_Walsh_Hadamard_Transform\fWHtrans.mexmaci64
?????文件????????6656??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Fast_Walsh_Hadamard_Transform\fWHtrans.mexw32
?????文件????????9216??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Fast_Walsh_Hadamard_Transform\fWHtrans.mexw64
?????文件?????????446??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Fast_Walsh_Hadamard_Transform\ifWHtrans.m
?????文件???????11358??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Fast_Walsh_Hadamard_Transform\newFWHTcmp.fig
?????文件????????2115??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Fast_Walsh_Hadamard_Transform\readme.txt
?????目錄???????????0??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Solver\
?????文件?????????674??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Solver\TVAL3.m
?????文件???????14704??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Solver\ftvcs_al_TVL2p.m
?????文件???????13827??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Solver\ftvcs_al_TVL2p_old.m
?????文件????????5646??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Solver\ftvcs_al_opts.m
?????文件???????15273??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Solver\ftvcs_alp.m
?????文件???????14446??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Solver\ftvcs_alp_old.m
?????文件????????2834??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Solver\readme.txt
?????文件??????140176??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\User_Guide.pdf
?????目錄???????????0??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Utilities\
?????文件?????????244??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Utilities\A_fWH.m
?????文件?????????284??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Utilities\At_fWH.m
?????文件?????????197??2017-12-13?11:00??CSdemo\TVAL3_beta2.4\Utilities\Fp1d.m
............此處省略16個文件信息
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