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jjjfdct
- 逆向傅立叶转换算法,通用的一种,适合初学着的。内容详细,分析简单-reverse Fourier Transform algorithm, a general, suitable for beginners with the. Detailed analysis simple
mallat11
- 小波谱分析mallat算法经典程序,圆周卷积的快速傅里叶变换-small spectral analysis algorithm Mallat classic procedure, the circular convolution Fast Fourier Transform
DiscreteFourier
- 采用Visual c++ 进行图像处理,已经经过检测,非常实用,本源码主要是离散傅立叶分析-for image processing, have been tested, the very practical, The main source of discrete Fourier analysis
NeonatalFacialExpressionFeatureExtraction
- 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 cha
matlab-code
- 对数字图像处理中的离散傅里叶变换(DFT),离散余弦变换(DCT)进行了详细的分析。其中DFT包括log视觉处理,中心点移动等。DCT包括分块处理,和保留较少系数,并比较结果。-Digital image processing of the discrete Fourier transform (DFT), discrete cosine transform (DCT) for a detailed analysis. DFT which include the log of visual pr
Image-Processing
- vc++数字图像编程基础,包括点运算、几何变换(平移、旋转、缩放、镜像)、正交变换(沃尔什、傅里叶、离散余弦)、图像增强(图像平滑、中值滤波、梯度锐化、拉普拉斯锐化)、形态学变换(腐蚀、膨胀、开、关)、边缘与轮廓(robert、sobel、frewit、kirsch、gauss-laplace边缘检测算子,hough变换,轮廓提取,轮廓跟踪)、图像分析(阈值分割、投影检测、差影检测、模板匹配)、图像复原(卷积模糊、逆滤波复原、维纳滤波复原,随机、椒盐噪声)、图像编码(赫夫曼编码、香农费诺编码、行
Frequencydomainimageprocessing
- 傅立叶变换是线性系统分析的一个有力工具,是信号处理中最重要、应用最广泛的变换,利用频域中特有的性质,可以使图像处理过程更加简单、有效,对于迂回解决图像处理中的难题非常有帮助,被广泛应用于数字图像处理中,-Fourier transform is a linear system analysis a powerful tool for signal processing are the most important and most widely used transform, the use o
xiaobobianhuantux
- 小波变换是一种快速发展和比较流行的信号分析方法, 其在图像处理中有非常重要的应用, 包括图像压缩, 图像去噪, 图像融合, 图像分解, 图像增强等。小波分析是傅立叶分析思想方法的发展与延拓。除了连续小波 (CWT)、离散小波(DWT), 还有小波包avelet Packet)和多维小波。本文主要介绍小波变换的发展及其在图像处理、的应用-Wavelet transform is a fast-growing and more popular method of signal analysis,
sfinge25
- A novel texture-based Automatic Fingerprint Authentication System (AFAS) is proposed. A fingerprint image is preprocessed to enhance the image by Short Time Fourier Transform (STFT) analysis. Then, three sets of invariant moment features, as a kind o
2008172870
- 本文详细介绍了指纹识别技术的预处理算法,其中包括MATLAB算法仿真部分和DSP实现部分,并着重研究了预处理算法中的指纹图像归一化、图象滤波增强、图像分割、二值化、细化等关键技术。本文提出了改进的Gabor滤波算法,同时对其他预处理部分算法进行了优化,并将傅立叶分析方法应用于指纹图象处理研究中,采用MATLAB实现了本文讨论的所有算法。-This paper describes a fingerprint recognition algorithm technologies, including
ImageProcess
- VC++6编译环境,实现平滑,锐化,边缘增强,边缘提取(3种算法),边缘检测,中值滤波,频域变换(傅里叶分析FFT,离散余弦变换DCT)-VC++6 compiler environment, to achieve smooth, sharpen, edge enhancement, edge detection (three kinds of algorithm), edge detection, median filtering, frequency domain transform (Fo
MATLAB_Medical_Image_Process_Experiments
- MATLAB医学影像处理实验(内含14个原代码及教学的说明) (1)Plot a sine function using MATLAB, and write the data into a file (2)Read data from a file, plot a SINC function, and append the result back to the same file (3)Plot a Gaussian distribution using MATLAB (4)Fo
fft-source
- 快速傅立叶变换(时域抽取基二fft)的源码的分析-Fast Fourier Transform (time-domain extraction base 2 fft) analysis of the source code
WFTgui
- Windowed Fourier transform for fringe pattern analysis (with GUI) -• Run WFT in MATLAB environment. All processed data are automatically saved in result.mat 4. File list o wft2fw.m: the basic WFT algorithm. o unwrapping_qg_trim.m: quali
matlab
- 小波分析是傅立叶分析思想方法的发展与延拓-Wavelet analysis is a Fourier analysis of the development and extension thinking
fft
- 针对图像进行快速傅里叶变换,方便进行频频分析与处理。-Fast Fourier transform for the image, to facilitate frequent analysis and processing.
xinxilun
- 《Visual C++数字图像获取、处理及实践应用》杨枝灵、王开等编著。内容:第4章 图像增强(对比度增强、灰度变换法、直方图修整法、图像平滑、图像锐化、伪彩色和假彩色增强);第5章 图像复原(逆滤波复原、维纳滤波方法);第6章 图像处理中的正交变换(傅立叶变换、离散余弦变换(DCT)、沃尔什变换、基于特征向量的变换、霍特林(Hotelling)变换、SVD变换、小波变换、Mallat算法);第7章 图像压缩编码(霍夫曼(Huffman)编码、算术编码、游程编码(Run Length Codin
compute_eig
- 利用主成份分析PCA和傅立叶变换训练图像并用最近邻法进行识别分类-Using principal component analysis PCA and Fourier transform training images and used to identify the nearest neighbor classification method
Fourier
- 实现一维离散信号的傅里叶频谱分析,并进行结果显示-One-dimensional discrete signal Fourier spectrum analysis, and the results show that
ccmath-2.2.1.tar
- CCMATH 是数据计算库, 源码C, 包含几何学,曲线拟合,及其它-CCMATH is a mathematics library, coded in C, that contains functions for linear algebra, numerical integration, geometry and trigonometry, curve fitting, roots and optimization, Fourier analysis, simulation generati