L1SVD

说明：  通信系统仿真中的滤波器的设计的一个简单的小程序(Communication System Simulation in the design of the filter a simple applet)

吉它效果器-娃音器的滤波器分析,用MATLIB实现(Guitar effects- WAH sounds filter analysis using MATLIB achieve)

figure imagesc(Img,[0 255]) colormap(gray) hold on bw = roipoly phi = 2*(0.5-bw) tic for n = 1:200 phi = Evo_ILF_2D(phi,mu,lambda,epsilon,timestep,Img_lap) pause(0.05) imagesc(Img, [0, 255]) colormap(gray) hold on [c,h] = contour(phi,[0 0], b ) iterNum=[num2str(n), iterations ] title(iterNum) hold off

Edge detection is a feature of this Code and you can find out the edges of an image seamelessly using matlab by this code

MATLAB implementation of SPIHT (without Arithmatic coding stage). ％ Performance evaluation : this toolbox VS. SPIHT ％ Test image: lena512.raw ％ bpp SPIHT(dB) This code(dB) ％ 0.1000 29.8107 29.3202 ％ 0.2000 32.7202 32.2514 ％ 0.3000 34.5479 34.0331 ％ 0.4000 35.8422 35.4857 ％ 0.5000 36.8623 36.5939 ％ 0.6000 37.6650 37.3759 ％ 0.7000 38.2581 38.0491 ％ 0.8000 38.9390 38.7058 ％ 0.9000 39.5218 39.3437 (MATLAB implementation of SPIHT (without A rithmatic coding stage). Performance evalua% tion : this toolbox VS. SPIHT%% Test image : lena512.raw%% bpp SPIHT (dB) This code (dB)% 0. 1000 29.8107 32.7202 0.2000 29.3202% 32.2514% 0.3000 0.4000 34.5479 34.0331% 35.8422 35.485 7% 0.5000 0.6000 36.8623 36.5939% 37.6650 37.3 759% 38.0491% 0.7000 0.8000 38.2581 38.9390 38 .7058 0.9000 39.5218 39.3437%)

linear the sychronous machin

包含简单约束的全局优化算法，matlab版本(Contains a simple constraint global optimization algorithm, matlab version)

用vi传输矩阵法研究啁啾相移光栅的传输谱特性(Vi transfer matrix method using phase shift transmission study chirped grating spectral characteristics)

一个非常实用且能进行模糊综合评判的matlab程序(A very practical and can be fuzzy comprehensive evaluation of the matlab program)

dcT CODES FOR IMAGE COMPRESSION