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DFT2
- 傅立叶频谱图 应用离散傅立叶变换把一张图像从时域转换到频域-Fourier spectrum of discrete Fourier transform applied to an image from the time domain into the frequency domain
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
6.1_6.4
- 使用OpenCV完成的简单频谱域处理, 实验题目来自冈萨雷斯的图像处理project, 此为6.1-6.4-OpenCV complete spectrum using a simple domain processing, experimental subjects from the image processing Gonzalez project, this is 6.1-6.4
testfft
- opencv实现对图像fft变换和逆变换，画出傅里叶变换谱-opencv realized the image fft transform and inverse transform, Fourier transform spectrum plot
watermarkfft
- 基于fft的数字水印，分别对RBG三个通道重复嵌水印，每个通道分别对fft变换域中幅度谱以圆方式，每个圆上对称的四个点重复嵌1bit水印，然后以r为步进，选更大的圆嵌入接下去的水印信息，该方法有比较好的鲁棒性-Fft-based digital watermarking were embedded watermark repeated RBG three channels, each channel separately the fft transform domain amplitude sp
filter
- 一种基于opencv的特殊fit变换法，输出图片的频谱-A transformation method based on a special fit opencv, the output spectrum of the picture
oolrce
- caiyang 演示采样定理,时域采样,频谱周期延拓 不错的源码(Caiyang demo sampling theorem, the time domain sampling, spectrum cycle continuation good source)
5822029
- 功率谱估计的应用范围很广,在各学科和应用领域中受到了极大的重视,(A wide range of application of power spectrum estimation, the application in various disciplines and received great attention in the field of,)
wesolotiobentity
- 求切比雪夫窗函数和频谱 求凯塞窗函数和频谱等等滤波器的设计的一些程序(To cut the window function and spectrum than snow for Kaiser window function and spectrum, and so on filter design of some programs)
cg452
- PSS primary synchronization signal in the time domain simulation related, This is the second energy entropy matlab code, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc.