A Review: Image Enhancement And Its Various Techniques
Image Enhancement is one of the most important and difficult techniques in image research .The aim of image
enhancement is to improve the visual appearance of an image, or to provide a better transform representation for future
automated image processing .Theobjective of an image enhancement is to change or modify thequality of an image for
specific application. The enhancementtechniques can be categorized by spatial domain andfrequency domain methods. In
this paper, we present an overview of image enhancement techniques for gray scale images in spatial domain, frequency
domain and also give better approach for future research.
IndexTerms- Frequency based domainenhancement, Histogram Equalization, Image Enhancement, Spatial based domain