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数字图像处理算法
- 数字图像处理：先进行傅里叶变换，然后低通滤波；最后还原。并附有余弦变换对照结果。,DIP:first FFT,then Butterworth filter,last inverse the course,also the DCT for comparition.
matlabFourertransform
- MATLAB实现图像的傅里叶变换，包括一维傅里叶变换，二维傅里叶变换-MATLAB Fourier transform of image, including the one-dimensional Fourier transform, two-dimensional Fourier transform
fenshujiefuliye
- 基于分数阶傅里叶变换的五篇博硕士论文，分别是在数字水印中的应用两篇，图象变换中的应用一篇，滤波中的应用一篇，目标检测中的应用一篇。-Based on Fractional Fourier Transform five Theses, respectively, in the digital watermark in the application of 2, images in the application of a transformation, filtering in the
fuliye
- 1. 对图像进行傅里叶变换。 2. 根据傅里叶变换的结果去除图像的竖条纹噪声。 3. 对图像进行傅里叶逆变换，得到分割图像。 -1. For the image Fourier transform. 2. According to the results of Fourier transform to remove the image of the vertical stripe noise. 3. Inverse Fourier Transform of the images ob
STFT
- 短时傅里叶变换的一些简单的演示，其中有矩形窗和高斯窗-some demos for the short time fourier transform
FFt
- 其中图片说明： A： 傅里叶变换后频谱图 B：陷波函数作用后的频谱图 C：经逆变换的滤波后图像，效果不是很理想 Ifft2：为验证自己的快速傅里叶变换程序的正确性，用matlab自带逆变换程序将频谱逆变换后图形，与原图相符，说明快速傅里叶变换程序正确。-One Photo caption: A: After the Fourier transform frequency spectrum diagram B: the role of Notch function, the fre
fft2d
- 数字图像的傅里叶变换包括旋转平移后的原图及其频谱图。显示用的是三维坐标-Digital image, including the Fourier transform of the image after rotation and translation spectrum Fig. Show that using a three-dimensional coordinates
wenli
- 使用matlab对多幅图像进行傅里叶变换，并将变换后的图像进行比较输出-The use of multiple images matlab Fourier transform, and transform the image to compare the output
MATLAB
- MATLAB工具结合数字图像处理，完成实验，有图像彩色空间转换，傅里叶变换，余弦变换，直方图均衡等等，有需要的看一下。-Combination of MATLAB tools for digital image processing, the completion of the experiment, the image color space conversion, Fourier transform, cosine transform, histogram equalization and
frequency
- 用傅里叶变换对图形进行变换，然后用高斯低通、高通滤波器对图像进行去噪-Fourier transform graphics transform, and then use Gaussian low-pass, high pass filter for image denoising
Transform
- 二维傅里叶变换、离散余弦变换和小波变换的Matlab实现.-Two-dimensional Fourier transform, discrete cosine transform and wavelet transform of the Matlab implementation.
exp2
- MATLAB图像处理中傅里叶变换，离散余弦变换，小波变换的简单应用(simple applications of Fourier transform, discrete cosine transform, wavelet transform in MATLAB image processing,)
fftcalcshift
- 实现了利用傅里叶变换求两张图像平移距离； 输入是两张具有平移关系的图片； 输出distancex，distancey表示求得的平移距离(The Fourier transform is used to calculate the translation distance of two images. The input is two images with a translation relationship. The output distancex, distancey repres
图像加减等操作
- 利用matlab实现图像的加减，图像的傅里叶变换等等图像处理过程(Using MATLAB to realize image processing and subtraction, image Fourier transform and so on image processing)
fft
- 基于MATLAB的快速傅里叶变换的程序仿真 附课件(Program simulation of fast Fourier transform based on MATLAB)
分数阶盲水印傅里叶变换--已实现
- 二维分数阶傅里叶变换，数字水印，盲水印，可能是我的参数没有调整好，可以提取出水印，但是效果不太好，但完全可以正常运行，如果哪个大神修正了，也请联系我(Two dimensional fractional Fourier transform, digital watermark, blind watermark, may be my parameters do not adjust well, can extract the watermark, but the effect is not ver
matlab傅里叶变化性质验证
- 二维傅立叶变换的Matlab实现，是利用图像处理软件对给 出的图像进行傅立叶变换处理。 自行设计一幅图像，验证离散傅立叶变换的性质，如： 频谱图中高频分量迅速衰减，可分离性，平移，周期性与共 轭对称性，旋转、线性和比例性，平均值。(The Matlab implementation of two-dimensional Fu Liye transform is based on image processing software. The image is processed by Fu
MATLAB
- 通过级联分数傅里叶变对图像进行加密解密，可自行设置秘钥，以及加密的阶数，具有良好的保密性(Encryption and decryption of image by fractional Fourier transform)
声发射数据处理matlab
- 本程序为傅里叶变换，给定初始时域波形，可得到对应频域波形。可出图(The program is Fourier transform. Given the initial time-domain waveform, the corresponding frequency-domain waveform can be obtained. Drawing out)
fft_dct_dwht
- 用matlab实现了傅里叶变换，离散余弦变换和沃什哈达玛变化。需要下载工具性app designer(Fourier transform, discrete cosine transform and Walsh Hadamard change are realized by MATLAB. Need to download tool app Designer)