搜索资源列表
DCT
- 实现图像的DCT高通、低通滤波器并与傅里叶变换做比较.有图可见，经DCT低通滤波后，图像变得很模糊。因为DCT是FFT取其实部，能量减少，因此图像变得很模糊，没有经FFT滤波后的效果好。 经DCT高通滤波后的图像： 经DCT高通滤波后，图像的低频部分被滤除掉，图像变黑，只有边缘的痕迹可见。-The DCT of image high-pass, low pass filter and compared with the Fourier transform.
fft
- 使用c++语言对彩色图像进行傅里叶变换。里面使用了cimg库和fftw库-Using c++ language for color image Fourier transform. Cimg used inside the library and library fftw
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
demo
- 数字图像处理的c++源文件，包括灰度变换，直方图增强，伪彩色，图像傅里叶变换等，对于初学者会很有帮助-Digital Image Processing C++ source file, including the gray level transformation, histogram enhancement, pseudo-color and imageFourier transform It would be helpful for beginners.
qtfm_1_3
- 四维傅里叶变化，提取图像的突变点，saliency等点的提取，基于颜色，亮度，和motion,也可用于视频-Four-dimensional Fourier changes, point mutations extracted image, saliency, such as the extraction point, based on the color, brightness, and motion, can also be used for video
DFT
- 图像处理matlab源代码，主要使用傅里叶变换。-Image processing matlab source code, primarily using the Fourier transform.
homeworkofimageprocessing
- 数字图像处理作业，包括：bmp图像的读取，图像的缩放，直方图均衡化等操作的c代码，还有一些关于傅里叶变换，KL变换，哈达吗变换，huffman编码的习题。可以供学习这门课程的同学参考学习。-Digital image processing operations, including: bmp image reading, image scaling, histogram equalization, and other operations of the c code, and some on t
imlogpolar
- 使用傅里叶梅林变换进行图像配准，抗旋转、平移和缩放~-Using Fourier Mellin Transform Image Registration
MATLAB-adu
- 基于分数傅里叶变换的彩色图像加密算法，主要用于数字图像的加密中。-Based on the fractional Fourier transform for color image encryption algorithm, mainly used in digital image encryption.
DFT2D
- 采用OPENCV封装的图像二维DFT运算，通过该类可生成图像二维傅里叶变换矩阵，通过可选参数可调整生成傅里叶矩阵、傅里叶频谱同时可选择对数加强属性增强傅里叶频谱的显示效果。-OPENCV package using two-dimensional DFT computation of image, the image can be generated through such two-dimensional Fourier transform matrix generated by the op
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
LenafftLog
- 对图像进行傅里叶变换，其频谱图能量集中在一点，通过对其对比度进行扩展，则图像的频谱图更加清晰，本程序实现了此过程。-Fourier transform of the image, and its energy concentrated in the frequency spectrum that the expansion of its contrast, the frequency spectrum of the image more clearly, the procedures for t
Contour-detection
- 实现图像的边缘轮廓检测，用于傅里叶描述子的提取，作为特征匹配的第一步-The edges of image detection, Fourier descr iptors for the extraction, feature matching as a first step
10_10
- 北京大学遥感所的研究生图像处理讲义\高级遥感数字图像处理（硕士生课程）之第十章 傅里叶变换-Peking University
FreTrans
- 数字图形图像处理傅里叶变换及相关算法的的源代码，实现傅里叶变换的基本功能。-Digital graphics image processing and related Fourier transform algorithm the source code, to achieve the basic functions of Fourier transform.
model
- 对雷纳图像的具体实现（图形恢复），主要运用傅里叶变换实现-Reyna images on the concrete realization of (graphics to resume), the main use of Fourier transform to achieve
a-new-method-for-extracting-image-texture-features
- 利用傅里叶变换提取图像纹理特征新方法,其效率高于以往一般提取方法-Fourier transform using extracted image texture features of the new method, its efficiency is higher than previous extraction methods
DigitalImageProcessing3
- 3.1 概述 3.2 可分离图像变换 3.3 离散傅里叶变换和性质 3.4 快速傅里叶变换 3.5 离散沃尔什变换 3.6 离散余弦变换 3.7 小波变换 -3.1 overview 3.2 detachable image transform 3.3 Discrete Fourier Transform and Fast Fourier Transform 3.4 Properties 3.5 Discrete Walsh Transform 3.6 Discret
tuxiangxitongsheji
- 图像的滤波，图像的几何变换、图像的傅里叶变、换图像的锐化-Image filtering, image geometric transformation, the Fourier image change, for image sharpening
IMGReg
- 数字图像的配准，配准的方法有互相关法、傅里叶变换法等-Digital image registration, the registration methods are inter-related laws, such as Fourier transform method