Welcome![Sign In][Sign Up]
Location:
Search - MSE MATLAB

Search list

[Compress-Decompress algrithmsSPIHT(Matlab).zip

Description:

% Matlab implementation of SPIHT (without Arithmatic coding stage)
%
% By Jing Tian, scuteejtian@hotmail.com

fprintf('-----------   Welcome to SPIHT Matlab Demo!   ----------------\n');

fprintf('-----------   Load Image   ----------------\n');
infilename = 'lena512.bmp';
outfilename = 'lena512_reconstruct.bmp';

Orig_I = double(imread(infilename));

rate = 1;

OrigSize = size(Orig_I, 1);
max_bits = floor(rate * OrigSize^2);
OutSize = OrigSize;
image_spiht = zeros(size(Orig_I));
[nRow, nColumn] = size(Orig_I);

fprintf('done!\n');
fprintf('-----------   Wavelet Decomposition   ----------------\n');
n = size(Orig_I,1);
n_log = log2(n);
level = n_log;
% wavelet decomposition level can be defined by users manually.
type = 'bior4.4';
[Lo_D,Hi_D,Lo_R,Hi_R] = wfilters(type);

[I_W, S] = func_DWT(Orig_I, level, Lo_D, Hi_D);

fprintf('done!\n');

fprintf('-----------   Encoding   ----------------\n');
img_enc = func_SPIHT_Enc(I_W, max_bits, nRow*nColumn, level);  

fprintf('done!\n');
fprintf('-----------   Decoding   ----------------\n');
img_dec = func_SPIHT_Dec(img_enc);

fprintf('done!\n');
fprintf('-----------   Wavelet Reconstruction   ----------------\n');
img_spiht = func_InvDWT(img_dec, S, Lo_R, Hi_R, level);

fprintf('done!\n');
fprintf('-----------   PSNR analysis   ----------------\n');

imwrite(img_spiht, gray(256), outfilename, 'bmp');

Q = 255;
MSE = sum(sum((img_spiht-Orig_I).^2))/nRow / nColumn;
fprintf('The psnr performance is %.2f dB\n', 10*log10(Q*Q/MSE));


Platform: | Size: 232873 | Author: jasonchang | Hits:

[matlabLMS_Equalizer

Description: 线性MMSE均衡器的matlab源码,适应信道衰减不是很剧烈的情况-linear MMSE equalizer in Matlab source, adaptation channel attenuation is not very dramatic situation
Platform: | Size: 1024 | Author: 张于 | Hits:

[AI-NN-PR遗传算法TDOA解决

Description: 用遗传算法解决通信中的TDOA问题 文件名 program 完成功能 求出在进行account_test次的试验中每一次的最优染色体,并且求出均值MV,和均方误差MSE 文件名 definition_constant( ) 完成功能 对各个常量试验参数进行设定 文件名 main_program 完成功能 完成一次试验的计算 文件名 all_Noise 完成功能 计算TDOA值(由基站所测量的TDOA(受到噪声的干扰)) 文件名 gen_ini_pop_arr 完成功能 产生染色体矩阵pop_arr,矩阵的1,2行为估计的x,y坐标,矩阵的3,4行为0。-using genetic algorithms to solve the communication problems TDOA documents were obtained functional program completed during account_test meeting the test of the optimal every chromosome, and calculated average MV, and the mean square error MSE definition_constant file name () function to complete all regular Experimental parameters set main_program documents were completed functional testing of a complete calculation File Name all_Noise complete functional calculation TDOA value (measured from the base station TDOA (subject to noise interference )) File Name gen_ini_pop_arr have completed functional matrix pop_arr chromosome, the matrix acts estimated 1,2 x, y coordinates, and the matrix acts 3,4 0.
Platform: | Size: 3072 | Author: 田园 | Hits:

[Windows Developblast

Description: MATLAB ZF MMSE db.mminnorm.mmatlab,File->Set Path->Add Folder。 db-MATLAB ZF MMSE db.mminnorm.mmatlab, File-
Platform: | Size: 3072 | Author: | Hits:

[Special Effectsdigitalimage1

Description: 图象的直方图处理及全尺度变换和各种性能指标的计算,如psnr,mse等-image histogram processing and full scale transformation and various performance indicators, such as psnr, mse etc.
Platform: | Size: 177152 | Author: 高颖 | Hits:

[OtherMSE_calculation

Description: 最小二乘算法,最小均方误差等算法的MSE的计算,MATLAB代码-Least-squares algorithm, such as minimum mean square error MSE calculation algorithm, MATLAB code
Platform: | Size: 2048 | Author: liulu_tina | Hits:

[matlabMSE

Description: Comparison of the performances of the LS and the MMSE channel estimators for a 64 sub carrier OFDM system based on the parameter of Mean square error
Platform: | Size: 3072 | Author: guoyanpeng | Hits:

[matlabclassify

Description: 包含用lms、mse、perceptron准则函数的二类分类器-Includes use of lms, mse, perceptron criterion function of the second-class classifier
Platform: | Size: 1875968 | Author: 黎维娟 | Hits:

[matlabmse

Description: 采用Matlab编写的最小二乘法,实现对两类的正确分类-Prepared by the use of Matlab least squares method, to realize two types of correct classification
Platform: | Size: 2048 | Author: junrren | Hits:

[Special EffectsRMSE.MSE

Description: 小波去噪指标RMSE和MSE的代码,希望能给大家带来帮助-Wavelet Denoising indicators RMSE and MSE of the code, I hope everyone can help
Platform: | Size: 3072 | Author: 小云 | Hits:

[Special Effectspsnr_nmse_rms

Description: 通过matlab编写的几个关于PSNR、mse的图像处理的小程序。-Matlab prepared through a few on the PSNR, mse small image-processing procedures.
Platform: | Size: 2048 | Author: 胡国胜 | Hits:

[File OperateMSE_compare

Description: LS MSE CALC ofdm mse scheme
Platform: | Size: 1024 | Author: fahabb | Hits:

[Communication-MobileMSE

Description:
Platform: | Size: 2048 | Author: LeJin | Hits:

[Special Effectsimage_processing_quantize

Description: 图像处理功能:求the MSE/SNR/PSNR and the quantized image- the MSE/SNR/PSNR and the quantized image
Platform: | Size: 1024 | Author: 员晓毅 | Hits:

[Windows DevelopMSE

Description: The calculation of MSE using matlab.just replace the matrix elements
Platform: | Size: 1024 | Author: Crisss | Hits:

[assembly languageMSE

Description: 基于MATLAB的信道估计LS代码 可运行-MATLAB-based channel estimation of the LS code can run
Platform: | Size: 2048 | Author: leilei | Hits:

[Special Effectsmse

Description: 图像的线性变换与配准 利用Matlab实现图像的配准-image processing
Platform: | Size: 827392 | Author: 图像匹配 | Hits:

[Communication-MobileMSE

Description: 最小均方误差信道估计LS_MSE_calc.m仿真程序。用于ofdm信道估计。-Simulation of main channel LS_MSE. You wish to be useful.I hope that they will bring convenience to. If there is a need to contact.I wish good!
Platform: | Size: 2048 | Author: caoxiang | Hits:

[matlabmse

Description: 平均标准偏差,一个计算用的Matlab小程序,希望大家喜欢-The average standard deviation, a calculation using a small Matlab program, I hope everyone likes
Platform: | Size: 28672 | Author: teagee | Hits:

[Graph programMSEPSNRandSNR

Description: the criteria of the image denoising to compute the mse,snr,psnr-to compute the mse,snr,psnr
Platform: | Size: 606208 | Author: george feng | Hits:
« 12 3 4 5 6 7 8 9 10 »

CodeBus www.codebus.net