A Systematic Review: Contrast Enhancement based on Spatial and Frequency Domain

Abstract

Contrast enhancement is a fundamental step in image segmentation, and plays an important role in image processing, pattern recognition, and computer vision. Contrast enhancement can sharpen the edges of objects in an image, making it easier to extract objects and attain more information from the enhanced image. This is very useful for image analysis. This paper presents a comprehensive review of contrast enhancement methods based on two categorized which is spatial domain and frequency domain. The goal of image contrast enhancement is to improve the quality of an image to become more suitable for a particular application. Hopefully, the implications of this survey give future research directions for the researchers.