搜索资源列表
matlab
- 使用matlab的gui界面实现图像缩放旋转功能,FFT,DCT,等图像变化变换,并绘出直方图-Use the matlab gui interface for image scaling rotation, FFT, DCT, and other changes in the image transformation, and draw the histogram
smoothing-denoising
- 数字图像处理,用MATLAB实现频域平滑滤波以及图像去噪代码,用 函数对图像数据进行二维FFT 逆变换,并用函数取其实部,得到处理过的空间域图像数据; -Digital image processing, to achieve the frequency domain using MATLAB image smoothing and denoising code, the image data with the function inverse two-dimensional FFT, an
mp_fft.rar
- 利用FFT快速算法来实现二维图像基于匹配追踪算法的稀疏分解。,Fast Algorithm for the use of FFT to achieve two-dimensional image matching tracking algorithm based on sparse decomposition.
phasecorrelation
- 运用相位相关法对图像进行匹配,并通过图形形象地显示相关系数位置。对图像的亮度变换不敏感,相关峰尖突出,有较高的配准精度。-fft、ifft、phase correlation
ImageTransform
- c# 写的图像时频变换程序。包括DCT,FFT,DWT,WHT以及对应的逆变化。-c# write image frequency conversion program. Including inverse DCT, FFT, DWT, WHT, and the corresponding changes.
two_dimensional_PSD
- 二维功率谱密度计算程序 使用傅里叶变换 -2D PSD caculation estimator
FFT_win
- 实现2维FFT变换,并显示中心化的频谱图。要求:图像长宽必须是2的整数幂次。-Achieve 2-D FFT, and display the center of the spectrum. Requirements: image length and width must be a power of 2 times.
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.
matlab
- 产生右图所示亮块图像 f1(x,y)(128×128大小,暗处=0,亮处=255),对其进行FFT,同屏显示原图f1和FFT(f1)的幅度谱图,若令f2(x,y)=(-1)x+y f1(x,y),重复以上过程。以及旋转45度后进行变换-Generating shown bright block image F1 (x, y) (128128 size dark = 0, light at = 255), the FFT, the same screen display Original f1 a
DITFFT2
- 完成图像的DIT-FFT的快速算法,使用VC++6.0,openCV1.0。-To complete the image of the DIT-FFT fast algorithm, using VC++6.0, openCV1.0.
txlb
- 数字图像处理中的滤波和傅里叶压缩,包括理想低通滤波器,巴特沃茨高通滤波器,高斯带通滤波器,高斯带阻滤波器,FFT图像压缩。附原图像和处理后的图像截图。-Digital image processing in filtering and Fourier compression, including the design of an ideal low-pass filter, design Batewoci high-pass filter, bandpass filter design Gaus
MulitDocument12-11-15-35
- 图像JPEG读取及FFT DCT变化等。源代码-Read JPEG images and FFT DCT change. Source code
useoffft
- 1)已知2N点实数序列 N=64。用一个64点的复数FFT程序,一次算出 ,并绘出频谱 。 (2)已知某序列 在单位圆上的N=64等分样点的Z变换 。用N点IFFT程序计算 ,绘出图像 。 -1) known 2N-point sequence of real numbers N = 64. With a 64-point complex FFT process, a calculated and mapped the spectrum. (2) known to a cer
FreTrans
- 数字图像处理中最常见的FFT变换、离散余弦变换、沃尔什变换等的实现代码,代码中含有这三者的逆变换的实现代码,但是未被调用。-Digital image processing, the most common FFT transform, discrete cosine transform, Walsh transform, such as the realization of the code, the code contained in these three inverse transfor
ImageProcess
- FFT DCT等图像变化,还有可以图像处理. 只能处理BMP文件-FFT DCT changes, such as images, but also can image processing. BMP files can only handle
mywork
- 实现图像的fft快速傅立叶变换,使用matlab中示例的pear图实现-Image of fft Fast Fourier Transform, use the matlab example of the realization of the pear Figure
pic1
- MATLAB二维图像处理程序,是个例子,可以学习一下-MATLAB two-dimensional FFT image treatment procedures, are an example, you can study what
MyImg
- 实现了图像处理的基本功能,包括打开显示图片,图像直方图查看,增强。FFT变换等。-Implementation of the basic functions of image processing, including the open display picture, image histogram view, and enhance. Transform such as FFT.
fft16ref0
- vhdl语言按fft接口标准把数字图像信号转换成标准VGA格式。适合做学习试验 -implementation_fft
WelchSpec
- 本源码不仅实现了fft算法,还可以在C++中用图像进行观察-fft C++