This is hyperspectral image denoising Matlab toolbox contains 2D Wavelet denoising (2D Wavelet), 3D Wavelet Denoising (3D Wavelet), First Order Roughness Penalty DeNoising (FORPDN), and Hyperspectral Restoration (HyRes).
The full toolbox can be downlaoded here: https://www.researchgate.net/publication/328027880_Hyperspectral_Image_Denoising_Matlab_Toolbox
Please cite the following publication: "Noise reduction in hyperspectral imagery: Overview and application" B Rasti, P Scheunders, P Ghamisi, G Licciardi, J Chanussot Remote Sensing 10 (3), 482 https://doi.org/10.3390/rs10030482