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LDPCsimulation
- 基於matlab編寫LDPC之編碼及BF、SPA、Log-SPA等演算法及系統錯誤率計算-The preparation of LDPC codes based on matlab and BF, SPA, Log-SPA and other algorithms and system error rate
Robert
- 实现并比较不同梯度边缘检测方法(普通梯度、Robert、Sobel、Prewitt、Laplace、LOG和Canny) -Implementation and compare the different gradient edge detection method (general gradient, Robert, Sobel, Prewitt, Laplace, LOG, and Canny)
digama
- digama.m calculates DIGAMMA ( X ) = d ( LOG ( GAMMA ( X ) ) ) / dX psi_values.m returns some values of the Psi or Digamma function for testing. timestamp.m prints out the current YMDHMS date as a timestamp. asa103_test.m, a sample calling pr
fifteen
- 第十五章 图像分析 15.1 边缘检测 15.1.1 微分算子 15.1.2 Log算子 15.1.3 Canny 算子 15.2 四叉树分解 15.2.1 四叉树分解 15.2.2 四叉树 MATLAB 函数 -Chapter XV 15.1 edge detection image analysis 15.1.1 Differential Operators 15.1.2 Log Operator 15.1.3 Canny operator 15.2
matlab_4
- 边缘检测和图像分割matlab程序代码说明 P0401：用Prewitt算子检测图像的边缘 P0402：用不同σ值的LoG算子检测图像的边缘 P0403：用Canny算子检测图像的边缘 P0404：图像的阈值分割 P0405：用水线阈值法分割图像 P0406：对矩阵进行四叉树分解 P0407：将图像分为文字和非文字的两个类别 P0408：形态学梯度检测二值图像的边缘 P0409：形态学实例——从PCB图像中删除所有电流线，仅保留芯片对象 -Edge det
phasecongruency2
- 基于log Gabor小波的相位一致图像纹理特征分析-Based on log Gabor wavelet phase consistent image texture analysis
edgedetect
- 用各种算子对图像边缘检测，用巴特沃斯滤波器平滑处理后，再用prewitt算子、LoG算子、Canny算子边缘检测，之后去粘连-Operators using a variety of image edge detection, smoothing filters with Butterworth, the re-use Prewitt operator, LoG operator, Canny edge detection operator, followed by adhesion to
keypointExtraction
- corner detector code including harris，gills，log and so on-corner detector code including harris, gills, log and so on
average-log-square
- 讀取16位元(65536階)raw影像檔，調整其灰階動態範圍至256階，調整方式至少包含平均法、對數法、開平方法，word檔包含了成程式碼與操作說明與結果。-Read 16-bit (65536-order) raw image file, adjust its dynamic range to 256 gray-scale bands, contains at least adjust the way the averaging method, logarithmic law, Kaiping
log-distancepathloss
- log_distance path loss model for wireless propagation indoor
LoG
- Laplacian of Gaussian
LDPCBSN
- LDPC码既低密度奇偶校验码（Low Density Parity Check Code，LDPC），它由Robert G.Gallager博士于1963年提出的一类具有稀疏校验矩阵的线性分组码，不仅有逼近Shannon限的良好性能，而且译码复杂度较低, 结构灵活，是近年信道编码领域的研究热点，目前已广泛应用于深空通信、光纤通信、卫星数字视频和音频广播等领域。LDPC码已成为第四代通信系统(4G) -LDPC codes BER simulation under AWGN channel.
Peakfinder
- Basic function to locate and measure the positive peaks in a noisy data sets. Detects peaks by looking for downward zero-crossings in the smoothed third derivative that exceed SlopeThreshold and peak amplitudes that exceed AmpThreshold. Dete
lpc_recognition
- Filter bank representation methods for speech recognition and LPC recognition system
ofdm-tge
- OFDM程序，这么安排矩阵的目的是为了构造共轭对称矩阵 共轭对称矩阵的特点是 在ifft/fft的矢量上 N点的矢量 在0，N/2点必须是实数 一般选为0 1至N/2点 与 （N/2）+1至N-1点关于N/2共轭对称- BPSK simulation using a carrier cosine wave with ISI clc close all clear all figure(1) n=160 for i=1:n data(i
MFCC
- MFCC (Mel Frequent Cepstral Coefficient) in M-File. epresentation of the short-term power spectrum of a sound, based on a linear cosine transform of a log power spectrum on a nonlinear mel scale of frequency. MFCCs derived as follows: 1. Ta
pee
- Earthquake Engineering and Structural Dynamics-You can input any number of stores by giving the mass, stiffness and damping values. Input the gamma and beta values which are related to Newmark Integration Mtd. Press Newmarks Integration button to
chap4
- 程序代码说明 P0401：用Prewitt算子检测图像的边缘 P0402：用不同σ值的LoG算子检测图像的边缘 P0403：用Canny算子检测图像的边缘 P0404：图像的阈值分割 P0405：用水线阈值法分割图像 P0406：对矩阵进行四叉树分解 P0407：将图像分为文字和非文字的两个类别 P0408：形态学梯度检测二值图像的边缘 P0409：形态学实例——从PCB图像中删除所有电流线，仅保留芯片对象
edgeDetection
- 本程序实现边缘检测，并可通过设置阀值t二值化输出图像，选择类型设置检测算子（Roberts , sobel , sobel_diagonal ,sobel算子, Prewit ,canny ， LoG ）。-Edge detection of the program, and by setting the threshold t of the output binary image, select the type of operator settings (Roberts' , '
chxu
- 本程序用于测量增强语音与纯净语音的对数谱距离，用于语音增强。对数谱距离越小，表明增强语音与纯净语音越接近，增强语音质量越好；反之，则增强语音质量越差。-Calculates the average log-spectral distance between CLEAN and NOISY signals. Frames are 25ms long with 60 percent (15ms) overlap, hamming windowed. RS is the remove