Color Image Enhancement Techniques:A Critical ReviewAbstractImage enhancement is one of the key issues in high quality pictures such as digital camera and HDTV. SinceImage 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 havedeveloped known as image Enhancement techniques to recover the information in an image. This paper presentsa literature review on some of the image Enhancement techniques for color image enhancement like, ContrastStretching, Histogram Equalization and its improvement versions, Homomorphic Filtering, Retinex, andWavelet Multiscale Transform. Comparison of all the techniques concludes the better approach for its futureresearch
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