实现了图像的加水印，去噪，加噪声等功能，详细画出了时域和频域的相关图，ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- Realize image watermarking, de-noising, plus noise and other functions, Correlation diagram shown in detail the time domain and frequency domain, ofdm system simulation including 16

这是一个完整的稀疏分解用于图像去噪的一个压缩文件，而且是一个基于FFT变换的算法(This is a compressed file a complete sparse decomposition for image denoising, and is based on FFT transform algorithm)