搜索资源列表
graph2d_demofft
- 实现点的多项式拟合，傅里叶变换，MRI的弛豫图像-Point polynomial fitting, Fourier transform MRI images of relaxation
Image-processing
- 进行图像的二值化，锐化，平滑以及傅里叶变换，另外还有相关的图像恢复和图形学的相关知识-Image binarization, sharpening, smoothing, and Fourier transform, in addition, there is a related image restoration and graphics knowledge
bispectrum
- 双谱，在地震，图像的运用及其广泛，此程序是运用两次傅里叶变换产生双谱。-bispectrum,which is applide widely to seismic and image procesing.The code generate bispectrum by using Fourier transform twice.
mygui
- 数字图像处理中灰度变换，傅里叶变换，霍夫曼压缩，拉氏变换等等对一幅图像进行变换，用GUI界面显示，其中用到的霍夫曼代码是自己编的，下一个传上-Gray-scale transformation of digital image processing, Fourier transform, Huffman compression, Laplace transform, and so transform an image using the GUI interface display, which
FFT_IFFT
- 二维图像的快速傅里叶变换与逆变换函数，编译通过。-Image FFT and Image IFFT
04
- 对原图分别在频域内使用理想低通滤波器（选择任意截止频率）和理想高通滤波器（选择任意截止频率）和理想高通滤波器，再对其使用快速傅里叶变换，并输出修复后的图像的频率谱图。最后将高通滤波与低通滤波后的相加，输出，并与原图进行比较。-Respectively of the original image in the frequency domain using the ideal low-pass filter (choose an arbitrary cut-off frequency) and th
ultimate_demo
- 数字图像处理中常用的处理包括边缘检测、傅里叶变换、放大、伪彩色处理、图像平滑和分割。-The common processing digital image processing including edge detection, Fourier transform, zoom, pseudo-color processing, image smoothing and segmentation.
Image-transformation
- 图像变换实验，掌握图像傅里叶变换的方法及应用，利用MATLAB实现数字图像的频域处理-The image transformation experiments mastered the image Fourier Transform method and application, digital image using MATLAB frequency domain processing
image
- MATLAB图像的离散傅里叶变换，以及相关的频谱显示及分析图谱-image processing ,DFT transform,MATLAB code processing
__FFT
- FFT快速傅里叶变换，实现2的16次方，图像显示-FFT fast Fourier transform, the 2 ^ 16, the image display
fseries
- MATLAB下调用原始数据，进行傅里叶变换，将系数写入原EXCEL文件，并对原始、新值的图像进行比较。-MATLAB to call the original data, the Fourier transform, the coefficient is written in the original EXCEL file and compare the image of the original, the new value.
waterbit
- 用matlab实现了超复数傅里叶变换； 实现了量化索引算法； 实现了基于傅里叶变换和量化索引的彩色图像数字水印的嵌入以及提取算法；-Using matlab the hypercomplex Fourier Transform quantization index algorithm realized based on the Fourier transform and quantization index color image watermarking embedding and
DFT-and-DCT-transformations
- 二维离散傅里叶变换和离散余弦变换同属于图像的二维正交变换，它们在图像处理中有 着极为重要的应用价值。利用这些正交变换可以获得图像的频域信息，从而实现图像的增强、复原、编码和描述。本文将描述对图像进行DFT 和DCT 变换的过程。在进行DFT 变换后，还会将图像的幅频、相频特性进行置换操作后反变换，并探讨其中的规律；而在DCT 变换后，还将探讨如何选取DCT 系数点以实现图像的复原。请先阅读压缩包内的pdf文档。-This code implements the DFT and DCT tra
tuxiangzengqiang
- 图像增强可分成两大类：频率域法和空间域法。前者把图像看成一种二维信号，对其进行基于二维傅里叶变换的信号增强。-Image enhancement can be divided into two categories: frequency domain and space domain method. The former image as a two-dimensional signal, its based on the two-dimensional Fourier transform of
txcl0
- 图像变换，快速傅里叶变换，编写快速傅里叶变换算法程序，验证二维傅里叶变换的平移性和旋转不变-Image transform, fast Fourier transform, to write fast Fourier transform algorithm, verify that the same two-dimensional Fourier transform of translational and rotational
image
- 在VC环境下实现图像的打点显示，反色，及快速傅里叶变换，还可以通过去两个点之间的矩形进行截图显示，与截图处理变换后的显示-The VC environment image RBI anti-color, and fast Fourier transform, can also go a rectangle between two points screenshots show screenshots processing transformed display
image-processing
- 图像处理的小实验集合，图像复原，灰度变换，直方图变换，彩色变换，傅里叶变换等-The small experimental collection of image processing, image restoration, gray transform, histogram transform, color transform, Fourier transform
hu
- 用VC6实现简单图像的各种操作，比如傅里叶变换，各种算子，能实现图像的很多基本的操作。-The with VC6 simple image various operations, such as Fourier transform, a variety of operator, to achieve many of the basic operation of the image.
sffi
- 利用傅里叶变换的图像篡改盲检测，Matlab实现。-The Fourier transform of the image tamper blind detection, Matlab implementation.
simpleCUFFT
- 该源码主要是实现对图像的二维傅里叶变换，可以显示器频谱图，以及傅里叶逆变换，然后显示原图-The main source of the realization of two-dimensional Fu Liye transformation of the image, can display the spectrum, and Fu Liye transform, and then displays the original