writeyuv.m Convolve1D.m diffusion4db.m extractyuv420.m Gaussian.m HistAnisoDiff.m histdist.m HistDrivenAniso_qp35.m histnorm.m imgaussian.m imghist.m measure.m mother010.bmp mother010jpeg.bmp mse_psnr.m MSSIM_calculation.m psnr_calculation.m ssim_index.m TDGuassKernel.m