Color Image Enhancement Techniques:

A Critical Review

Abstract

Image enhancement is one of the key issues in high quality pictures such as digital camera and HDTV. Since

Image clarity is very easily affected by lighting, weather, or equipment that has been used to capture the image.

These conditions lead to image may suffer from loss of information. As a result, many techniques have

developed known as image Enhancement techniques to recover the information in an image. This paper presents

a literature review on some of the image Enhancement techniques for color image enhancement like, Contrast

Stretching, Histogram Equalization and its improvement versions, Homomorphic Filtering, Retinex, and

Wavelet Multiscale Transform. Comparison of all the techniques concludes the better approach for its future

research