The method of wavelet thresholding for image denoising has been a hot issue in image processing.In order to provide people a summary knowledge of wavelet thresholding method,based on the analyzing the advantages and disadvantages of existing technology of wavelet thresholding for image denoising,three research directions of the method of wavelet thresholding are summariged in image denoising field,that is the adaptation of selecting thresholding,the building model of wavelet coefficients,and the solution of...