M Zhou, K Jin, S Wang, J Ye… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Objective: Many common eye diseases and cardiovascular diseases can be diagnosed through retinal imaging. However, due to uneven illumination, image blurring, and low …
Now-a-days medical fundus images are widely used in clinical diagnosis for the detection of retinal disorders. Fundus images are generally degraded by noise and suffer from low …
B Gupta, M Tiwari - Multidimensional Systems and Signal Processing, 2019 - Springer
Retinal imaging is used to diagnose common eye diseases. But retinal images that suffer from image blurring, uneven illumination and low contrast become useless for further …
K Thangadurai, K Padmavathi - 2014 world congress on …, 2014 - ieeexplore.ieee.org
Enhanced images have high quality and clarity than original captured images. Computer vision image enhancement (Color conversion and Histogram equalization) is used in …
DH Choi, IH Jang, MH Kim… - 2007 IEEE International …, 2007 - ieeexplore.ieee.org
In this paper, we propose a color image enhancement based on the single-scale retinex (SSR) with a just noticeable difference (JND)-based nonlinear filter. In the proposed method …
MJ Alwazzan, MA Ismael, AN Ahmed - Journal of Digital Imaging, 2021 - Springer
Digital images used in the field of ophthalmology are among the most important methods for automatic detection of certain eye diseases. These processes include image enhancement …
HD Cheng, XJ Shi - Digital signal processing, 2004 - Elsevier
Image enhancement is one of the most important issues in low-level image processing. Mainly, enhancement methods can be classified into two classes: global and local methods …
D Sen, SK Pal - IEEE Transactions on image processing, 2010 - ieeexplore.ieee.org
Histogram equalization, which aims at information maximization, is widely used in different ways to perform contrast enhancement in images. In this paper, an automatic exact …
Image contrast and color preservations are essential needs for color vision and the processing of digital color images. Histogram Equalization (HE) is mostly used for …