搜索资源列表
Image_Filtering
- Image Filtering RGB Spatial Wiener Direct Inverse Discrete Fourier Transform DFT Lucy Richardson Median Laplacian -Image Filtering RGB Direct Spatial Wiener Inverse Discrete Fourier Transform DFT Lucy Ri chardson Median Laplacian
wr_bmp_demo
- 数字图象处理算法的演示，包括：图象的DFT和逆DFT，图象的FFT和逆FFT，在图象中加入正弦噪声，图象的模板运算实现图象平滑和锐化等等。-digital image processing algorithms demo, including : Image DFT and inverse DFT, FFT image and inverse FFT, in the image by adding sinusoidal noise, the template image Operational
DFT-IDFT
- 图像处理的一些基本操作,滤波,傅立叶变换,傅立叶反变换等等,附带有CT照片,可以测试效果.-Some of the basic operation of image processing, filtering, Fourier transform, Fourier inverse transform, etc., with a CT picture, you can test results.
yanyan
- 把一个256*256的图像分成8*8小块，然后进行DFT变换，分别比较在空间域和频域内对图像进行二次抽样和差值最后得出的图像比较-1. Get a grey level image which size is N*N. (For example, 256*256, however, N = ), and partition to 8*8 sub images. 2. Apply DFT to these sub images, and get the fourier transfo
DFT
- 利用蝶形算法，实现快速傅立叶变换及其逆变换-The use of butterfly algorithm, fast Fourier transform and its inverse transform
pic393
- 频域法加入数字水印的原理是首先将原始信号（语音一维信号、图像二维信号）变换到频域，常用的变换一般有DWT、DCT、DFT、WP和分形。然后，对加入了水印信息的信号进行频域反变换（IDWT、IDCT、DFT、WP），得到含有水印信息的信号。-Frequency-domain digital watermarking method by adding the principle is that first of all, the original signal (voice signal of on
MATLAB_code_of_image_processing
- 该gui函数基本上包括图像处理里面的最基本处理，相当于一个小型photoshop。比如读取文件，几何变换中的垂直镜像，平移，旋转，缩放；正交变换的DFT，FFT，DCT，DST，DHT，DWashT；灰度处理中的反色，直方图均衡，全局线性变换，分段线性变换，指数非线性变换，对数非线性变换；图像增强里面的加噪声，平滑，锐化，伪彩色增强；图像分割里面的灰度阈值法，Robert，Laplace，sobel，prewitt，canny算子边缘检测法；图像恢复里面的直接逆滤波，维纳滤波；图像编码里面的霍夫
1
- 将一幅256*256的图像分成8*8的小块，对其进行DFT变换。分别比较在空间域和频域内对源图像进行二次抽样和差值最后比较不同-1. Get a grey level image which size is N*N. (For example, 256*256, however, N = ), and partition to 8*8 sub images. 2. Apply DFT to these sub images, and get the fourier transfor
1122zhenyan
- 这个是C制作的源代码。。。 对一幅图像进行DFT变换，分别对源图像在空间域和频域里进行二次抽样和差值，最后得出结果比较。- Get a grey level image which size is N*N. (For example, 256*256, however, N = ), and partition to 8*8 sub images. Apply DFT to these sub images, and get the fourier transformed ima
fourish
- 图象的DFT和逆DFT 图象的模板运算实现图象平滑和锐化-DFT and inverse DFT image image template to achieve image smoothing and sharpening operations
DIP
- A simple Image Processing program using Csharp, including DFT and Inverse DFT
pythonImageDFThighlowpass
- Python opencv image enhancement in frequency domain. DFT , inverse DFT , highpass , lowpass filter
bmp-process
- 数字图象处理算法的演示，包括：图象的DFT和逆DFT 图象的FFT和逆FFT；在图象中加入正弦噪声；图象的模板运算实现图象平滑和锐化；图象的直方图均衡化 • 图象的对比度拉伸 • 图象的中值滤波 • 图象灰度直方图的显示 • 若干频域滤波器 • 图象的镜像 • 图象的旋转（90度与任意角度） • 图象的放缩 • 其它小算法 -Demonstration of
FFT_NFFT
- 数字图象处理算法的演示，主要包括：DFT和逆DFT以及FFT和逆FFT。-Digital image processing algorithms demo, including: DFT and inverse DFT, FFT and inverse FFT.
DFT
- 计算复序列的离散傅里叶变换和离散傅里叶反变换-Calculating the discrete complex sequence of discrete Fourier transform and inverse Fourier transform
DFT
- 对图像进行傅里叶变换、逆变换，对数变换以增强灰度级细节(这种变换使以窄带低灰度输入图像值映射一宽带输出值-The image Fourier transform, inverse transform, logarithmic transformation to enhance the gray-level detail (which transform the input image narrowband low gray value mapping a broadband output val
anci04
- 数字图象处理算法的演示,包括：图象的DFT和逆DFT 不错的-Digital image processing algorithm demo, including: image of DFT and inverse DFT is good
project1
- matlab的图像dct以及dft变换和反变换(MATLAB image DCT and DFT transform and inverse transform)