The goal of contrast enhancement is to improve visibility of image details without introducing
unrealistic visual appearances and/or unwanted artefacts. While global contrast …

Image enhancement is essential for any image processing applications. The objective of
image enhancement is to reveal the hidden information which is not available for the …

Image enhancement can improve the perception of information for human viewers, but there
also exist some deficiencies in most image enhancement methods. This paper analyzes the …

With the advancement of imaging science, image enhancement has become an important
aspect of image processing domain. It is necessary to gather a comprehensive knowledge …

In this study, a new enhancement framework is proposed for low contrast and dark images
where traditional histogram equalisation (HE), gamma and logarithmic transformation are …

Transformation functions utilizing the global information content of an input image have
been long serving contrast enhancement by stretching the dynamic range of intensity levels …

Contrast enhancement regarded as a significant branch of image processing, not only
enhances human perception of details hidden in the scene, but also improves the rapid …

Many vision-based systems suffer from poor levels of contrast and brightness, mainly
because of inadequate and improper illumination during the image acquisition process. As a …

Contrast enhancement is a crucial image processing step for image quality control.
However, images enhanced by conventional contrast enhancement methods can have …

In our daily life, digital cameras and smart phones have been widely used to take pictures.
However, digital cameras and smart phones have a limited dynamic range, which is much …