搜索资源列表
StandardFFT
- 对信号进行傅里叶变换，并绘出频谱图，功率谱，对数谱等。然后对信号进行反傅里叶变换恢复出原始信号，并绘出其各种谱图-The Fourier transform of the signal, and plot the frequency spectrum, power spectrum, the number spectrum. And inverse Fourier transform to recover the original signal and plot its various spec
fft
- 对一维信号采样并进行傅里叶变换画出频谱图。-Sampling and Fourier transform draw spectrum diagram of one-dimensional signal.
ImageTest1_1
- 产生亮块图像f1(x, y)（128×128，暗处灰度值为0，亮处灰度值为255），对其进行离散傅里叶变换，同屏显示原图像及其频谱图。-To produce bright block images f1 (x, y) (128128, dark gray level value of 0, and light at the gray scale value of 255), its discrete Fourier transform, with the screen display of th
Untitled2
- 小波变换及小波基对不同尺度的haar及db小波连续变换的系数值的三维图与傅里叶变换的比较-Comparison of three-dimensional map of the wavelet transform and wavelet bases on different scales haar continuous and db wavelet transform coefficient values and Fourier transform
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
florier1
- 傅里叶变换在MATLAB中的实现，对正选信号仿真，画出其频谱图。-Fourier transform in MATLAB realization of positive selection signal simulation, draw the spectrogram.
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
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- mfc 实现8位位图的傅里叶变换及离散余弦变换-mfc 8 bitmap Fourier transform and discrete cosine transform
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
imrotate
- 使用双线性插值的图像旋转，和本站的其余旋转不同，我的旋转不会使图像缺角，好处就是旋转后他的傅里叶变换的频域图也旋转同样的角度，同样可以用来处理矩阵，来做滤波器，我在做方向滤波器，有兴趣要的可以m我。-Using bilinear interpolation, image rotation, and the rest of the rotation is the rotation does not make the image Cutaway, the advantage is that the
stitching
- 使用VC++环境对具有一定重叠性的图像进行了拼接，先对待拼接的两幅图进行采样进行使用傅里叶变换粗拼接，然后用FFT算法进行精准拼接-Use VC++ environment with some overlapping image stitching, first towards stitching two images sampled using Fourier transform coarse stitching, and then use the FFT algorithm for accu
pinpu
- 对一段语音信号进行频谱分析，经过傅里叶变换可得语音信号频谱图，从而可知语音信号都是分布在低频区域-A voice signal spectrum analysis, Fourier transformation can be obtained through the voice signal spectrum, which shows that the voice signals are distributed in the low frequency region
Untitled1
- 周期图方法频率估计 傅里叶变换求功率谱密度 用Matlab编程仿真实现-Periodogram method of frequency estimation Fourier transform for power spectral density using Matlab programming simulation
jyy
- 对图像的打开，保存，关闭。平滑处理，加噪去噪处理，灰度处理，几何处理，边缘提取，快速傅里叶变换，截图等等。-To open the image, save, close. Smoothing, noise denoising, gray scale processing, geometry processing, edge detection, fast Fourier transform, screenshots and more.
K
- 利用matlab对字母K进行编码，属于罗曼3型编码，最终结果可得到一幅二维傅里叶变换全息图-Using matlab to encode the letter K, are Roman 3 encoder, the end result can be obtained a two-dimensional Fourier transform hologram
fft
- 快速傅里叶变换，用于图像处理，图像重建，CT等原始相位图提取。-Fast Fourier Transform for image processing, image reconstruction, CT and other raw phase diagram extraction.
lmd
- 直方图提取函数，用于人脸识别中，输入一幅图像，函数内部对输入图像做短时傅里叶变换，得到四幅幅度图，再求四幅图的直方图特征，合并后输出-Histogram extraction functions for face recognition, the input image, the input image inside the function to do short-time Fourier transform, the four magnitude diagram, and then seek
spansysy
- 任意信号的时频分析仪，包含傅里叶变换和功率谱图等分析。-Any time frequency analyzer based on LabVIEW
image_fft
- 使用matlab画圆，对图傅里叶变化，零频移中，反变换实验-test fft and ifft
FFT
- 实现积分图功能，具体理论对应论文《基于快速傅里叶变换和积分图的快速相关匹配》-implementation of the integral image，the related theory of the program is in the paper of fast matching based on FFT and integral image