STUDY OF IMPROVED SVD, DWT BASED IMAGE COMPRESSION USING NON LOCAL MEANS

Abstract

Image compression has become very imperative mechanism in digital image processing. The main proposal of the compression is to diminish the extent or superfluous data while retaining the in order in the image. The point at the back is to hoard the aptitude of memory mandatory to keep the image(s) or to make use of network bandwidth during well-organized approach. Transform-based compression is extensively worn for image compression. But transform based methods carry in blocking artifacts within the output image. The compression may also ending in ringing artifacts around edges. The ringing artifacts are in general further not easy to make a distinction and eradicate than the block transform compression artifacts. The overall target of this article is to appraise the confines in presented literature.

Kewords:- Image compression, Singular value decomposition, Discrete wavelet transform