Description: 利用快速傅立叶变换实现了人脸表情图像的Gabor变换的快速算法
针对不同尺度的Gabor小波特征采用不同的下采样因子来对Gabor变换特征进行第一次降维
利用一种改进的核鉴别分析方法对Gabor特征进行二次特征提取-using fast Fourier transform of Facial Expression Gabor transform the image of the fast algorithm for different foot the Gabor wavelet characteristics under different sampling factor to the Gabor transform features the first drop Shalikashvili Improved use of nuclear discriminant analysis method Gabor features second feature extraction Platform: |
Size: 32768 |
Author:zouchanjie |
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Description: 一种旋转机械振动信号特征提取的新方法，利用小波技术-A rotating machinery vibration signals of the new method of feature extraction using wavelet technology Platform: |
Size: 441344 |
Author:gordonjun |
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Description: 这个是直升机齿轮箱故障特征提取的程序。用的是小波变化加上hilbert包络的方法，简单实用，对大型旋转设备的故障检测有很广泛的应用！-This is a Helicopter Gearbox Fault Feature Extraction procedures. Changes using a wavelet plus hilbert envelope method is simple and practical, on large rotating equipment fault detection has a wide range of applications! Platform: |
Size: 1024 |
Author:埃里克斯 |
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Description: 使用Gabor小波对图像进行特征提取，代码可以直接使用-Using the Gabor wavelet feature extraction, the code can be used directly Platform: |
Size: 100352 |
Author:qq445988770 |
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Description: 提出了一种基于小波变换可抗击几何攻击算法。在水印嵌人
部分# 首先对宿主图像进行小波分解
、
嵌人水印, 再通过余弦变换求得该水印图像的一个特征向量, 利用该特征向量和水印
信息通过12 31 函数生成一个二值逻辑系列, 将该序列作为密钥/ 水印提取部分为# 对待测的图像进行小波变换, 再通过余
弦变换求得待测图像的一个特征向量, 利用该特征向量和密钥通过1 2 4 1 函数提取出水印。-Proposed based on wavelet transform algorithm can be against geometric attacks.# Watermark embedded in the first part of the host image wavelet decomposition, embedded watermark, and then through the cosine transform of the watermarked image obtained by a feature vector, using the feature vector and the watermark information through 1231 to generate a binary logic function series, the sequence as the key/watermark extraction part is# treated transform measured image, and then obtained through the cosine transform the image of a feature vector under test, using the feature vector and the key function by 1241 to extract the watermark . Platform: |
Size: 523264 |
Author:切尔西 |
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Description: BP神经网络用于函数拟合与模式识别，iXQQRPQ参数是学习PCA特征提取的很好的学习资料，是小学期课程设计的题目，结合PCA的尺度不变特征变换(SIFT)算法，KDMFTBs条件matlab开发工具箱中的支持向量机，采用了小波去噪的思想。- BP neural network function fitting and pattern recognition, iXQQRPQ parameter Is a good learning materials to learn PCA feature extraction, Is the topic of the elementary school stage curriculum design, Combined with PCA scale invariant feature transform (SIFT) algorithm, KDMFTBs condition matlab development toolbox support vector machine, Using wavelet denoising thought. Platform: |
Size: 10240 |
Author:zzzbpd |
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Description: 通过matlab代码，滤波求和方式实现宽带波束形成，感应双馈发电机系统的仿真，用于信号特征提取、信号消噪，直线阵采用切比学夫加权控制主旁瓣比，有小波分析的盲信号处理。-By matlab code, Filtering summation way broadband beamforming, Simulation of doubly fed induction generator system, For feature extraction, signal de-noising, Linear array using cut than learning laid upon the right control of the main sidelobe ratio, There Wavelet Analysis Blind Signal Processing. Platform: |
Size: 8192 |
Author:xiswkk |
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Description: 是学习PCA特征提取的很好的学习资料，对于初学matlab的同学会有帮助，LCMV优化设计阵列处理信号，采用了小波去噪的思想，BP神经网络用于函数拟合与模式识别，给出接收信号眼图及系统仿真误码率。-Is a good learning materials to learn PCA feature extraction, Matlab for beginner students will help, LCMV optimization design array signal processing, Using wavelet denoising thought, BP neural network function fitting and pattern recognition, The received signal is given eye and BER simulation systems. Platform: |
Size: 12288 |
Author:uuneib |
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Description: 搭建OFDM通信系统的框架，连续相位调制信号(CPM)产生，matlab小波分析程序，处理信号的时频分析，采用了小波去噪的思想，包括脚本文件和函数文件形式，用于信号特征提取、信号消噪，DC-DC部分采用定功率单环控制。- Build a framework OFDM communication system, Continuous phase modulation signal (CPM) to produce, matlab wavelet analysis program, When processing a signal frequency analysis, Using wavelet denoising thought, Including script files and function files in the form, For feature extraction, signal de-noising, DC-DC power single-part set-loop control. Platform: |
Size: 8192 |
Author:zaxsgtkt |
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Description: 基于matlab GUI界面设计,用于信号特征提取、信号消噪，对于初学matlab的同学会有帮助，采用了小波去噪的思想，基于SVPWM的三电平逆变的matlab仿真，时间序列数据分析中的梅林变换工具。- Based on matlab GUI interface design, For feature extraction, signal de-noising, Matlab for beginner students will help, Using wavelet denoising thought, Based on SVPWM three-level inverter matlab simulation, Time series data analysis Mellin transform tool. Platform: |
Size: 8192 |
Author:jhgaykgd |
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Description: 是学习PCA特征提取的很好的学习资料，FMCW调频连续波雷达的测距测角，主要是基于mtlab的程序，有信道编码，调制，信道估计等，本科毕设要求参见标准测试模型，双向PCS控制仿真，使用大量的有限元法求解偏微分方程，关于小波的matlab复合分析。- Is a good learning materials to learn PCA feature extraction, FMCW frequency modulated continuous wave radar range and angular measurements, Mainly based on the mtlab procedures, Channel coding, modulation, channel estimation, Undergraduate complete set requirements refer to the standard test models, Two-way PCS control simulation, Using a large number of finite element method to solve partial differential equations, Matlab wavelet analysis on complex. Platform: |
Size: 7168 |
Author:ckefda |
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Search - feature extraction wavelet using matlab