Filter

说明：  把信号用数字或符号表示成序列，通过计算机或通用（专用）信号处理设备，用数值计算方法进行各种处理，达到提取有用信息的目的。(The signal using numbers or symbols into a sequence that, through the computer or general-purpose (dedicated) signal processing equipment, numerical calculation using a variety of treatment methods to achieve the purpose of extracting useful information.)

Nonlinear Transfer Function-Based Local Approach IEEE research paper on image processing

自己编写和收集的指纹细化方法集合，对学习指纹的人来说是福音。(I have written and collected by refining methods of fingerprint collection of fingerprints of people studying for the Gospel.)

AM Modulation for Matlab

Content based image retrieval using color histogram and shape

计算图像在极坐标下的傅里叶变化 Matlab代码(Compute Polar Fourier Transform of images)

matlab对一幅图像，采用半径值为20、80、200的截止频率进行理想低通滤波，观察其结果。要求给出原图像及相应的付利叶频谱图和滤波结果(For an image, using the radius value of the cutoff frequency 20,80,200 ideal low-pass filter to observe the results. Required to give the original image and the corresponding Fourier spectrum and filtering results)

Test if two matrices have the same column space

有源逆变器中的LCL滤波器，无控制模块matlab仿真(LCL filter control module matlab simulation)

基于高阶累积量的调制识别，可自己更改特征(Modulation recognition based on high-order cumulants can change its own characteristics.)