Using common plane wave expansion method, There are detailed notes, Based on wavelet transform digital watermarking algorithm matlab code.

Realize image watermarking, de-noising, plus noise and other functions, Using MATLAB dynamic clustering or iterative self-organizing data analysis, There are detailed notes.

Using matlab written narrowband noise occurs, Based on wavelet transform digital watermarking algorithm matlab code, Based on SVPWM three-level inverter matlab simulation.