DWT for Image and Video Compression using MATLAB

Abstract

Amount of data required to represent an image can be reduced by removing repetitive information which is known as compression of images. Today with the increase in the usage of computer, compression is very necessary. Because the space required for holding the uncompressed image outlays more. Fortunately, today image compression can be achieved by various methods. Although Video looks like ceaseless gesture, it is actually a series of halcyon images. The paper describes about the application of DWT methods for image and video compression. We also computed the PSNR and CR values after image reconstruction using IDWT algorithm.