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LRG61
- 程序用来消除周期性噪声干扰信号。要求在图像频域中设计一Butterworth陷波器，其阶数n和陷波器半径D0由理论知识通过自己的探索得出，理解二者对滤波器性能的影响。-Procedures used to eliminate the periodic noise signal. Request images to design a Butterworth frequency domain notch filter, and its order n and the radius of notch
imnoise3
- 这是一个matlab语言编写的噪声功能函数.实现周期性电子噪声,并用滤波器实现去噪。-It is written in a matlab noise performance function.To achieve periodic electronic noise，and use filters to achieve de-noising.
nizhiluanbianhuan
- 置乱变换的逆过程，主要利用的是置乱变换的周期性，在原置乱变换的基础上，结合周期性，实现图像恢复-The reverse process of scrambling transformation, the main advantage of the cyclical nature of scrambling transformation, in the original scrambling transformation based on the combination of cyclical a
zhiluanbianhuan
- 置乱变换核心程序，是整个多重数字水印嵌入技术的重点，主要利用的是置乱变换的周期性，不同大小的图像有不同的周期，可以作为传输的密钥-Scrambling transform core processes, it is the multiple digital watermark embedding technology, mainly focused on the use of scrambling transformation is the cyclical nature of the imag
210
- 基于三维Arnold逆变换的数字图像置乱技术及其周期性,作者：QQ 64134703 ，电子毕业设计，欢迎咨询 -Arnold based on three-dimensional inverse transform of the digital image scrambling technology and its periodicity, of: QQ 64134703, e-graduate design, please consult
MATLAB
- 图片滤波（周期性噪声，比较有效吗，有两种滤波器）-image filter
inpainting_MP
- 自己写的基于MP的信号稀疏分解与修复程序，用的是Gabor原子，本人对其进行了些微修改，使之有周期性。-inpainting based on sparse presentation process, using a Gabor atom, I was carried out slightly modified so that there are cyclical.
arnold
- 用C++实现对正方形bmp图像的Arnold变换，重复进行多次变换，并观察其周期性-In c++ implementation of the square of BMP image Arnold transform, repeated many times change, and observe its periodicity
filter-image
- 采用matlab编写，对图像椒盐噪声与周期性噪声的进行滤除-Using matlab, image noise and periodic noise salt and pepper to filter out
filtering_F
- 图像频域滤波，用matlab实现了在图像频域中通过Butterworth陷波器消除周期性噪声干扰信号。-Image frequency domain filtering using matlab achieved in the frequency domain image by Butterworth notch filter to eliminate periodic noise signal.
changzhouqiguangshan
- 根据光纤光栅周期的长短不同，可将周期性的光纤光栅分为短周期（Λ<1μm）和长周期（Λ>1μm）两类。- According to the optical fiber grating period length is different, the fiber Bragg grating period is divided into short period (<1 μ m) and long period (>1 μ m) tw
图像处理
- 使用c++编写的图像处理程序，实现视频读取并周期性采集图像！(Use c++ prepared image processing program, realize the video read and periodic image acquisition!)
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
arnold图像加密
- 基于arnold变换加密图像（带解密的代码），缺点是具有周期性(Encryption based on Arnold transform (with decryption code), the disadvantage is cyclical.)