Images captured under poor illumination conditions often exhibit characteristics such as low
brightness, low contrast, a narrow gray range, and color distortion, as well as considerable …

Image captured under poor-illumination conditions often display attributes of having poor
contrasts, low brightness, a narrow gray range, colour distortions and considerable …

Underwater images play a key role in ocean exploration but often suffer from severe quality
degradation due to light absorption and scattering in water medium. Although major …

Contrast enhancement algorithms have been evolved through last decades to meet the
requirement of its objectives. Actually, there are two main objectives while enhancing the …

This article proposes an improved partial differential equation (PDE)-based total variation
(TV) model that enhances grey and coloured brain tumour images obtained by magnetic …

Underwater image enhancement has drawn much attention due to the significance of
underwater vision. Although considerable progress has been made in this field, a key …

Underwater image enhancement (UIE), as an image processing technique, plays a vital role
in computer vision. However, existing approaches treat the restoration process as a whole; …

In the current medical system, the privacy and security of the medical information with
respect to its transmission and storage is a key challenge. In pursuit of this, we proposed a …

Medical image quality requirements have been increasingly stringent with the recent
developments of medical technology. To meet clinical diagnosis needs, an effective medical …

In the state of the art, grayscale image enhancement algorithms are typically adopted for
enhancement of RGB color images captured with low or non-uniform illumination. As these …