run_LCACE.m

%% Title: Low-Complexity Algorithm for Contrast Enhancement (LCACE)

%% Created by Zohair Al-Ameen.
% Department of Computer Science, 
% College of Computer Science and Mathematics,
% University of Mosul, 
% Mosul, Nineveh, Iraq

%% Please report bugs and/or send comments to Zohair Al-Ameen.
% Email: qizohair@uomosul.edu.iq

%% When you use this code or any part of it, please cite the following article:  
% Zohair Al-Ameen, and Zaman Awni Hasan, 
% "A Low-Complexity Algorithm for Contrast Enhancement of Digital Images," 
% International Journal of Image, Graphics and Signal Processing, vol. 10, no. 2, (2018): pp. 60-67. DOI: 10.5815/ijigsp.2018.02.07
%% INPUTS
% x --> is a given low-contrast image
% L -- > controls the amount of contrast enhancement

%% OUTPUT
% res --> a contrast-enhanced image.


%% Starting implementation %%
clear all; clc; close all;

x=im2double(imread('1.jpg'));
figure; imshow(x); title('Orignal')

L = 0.9; 
tic; res = LCACE(x, L); toc;
figure; imshow(res);title('Processed by LCACE')
% imwrite(res,'1_LCACE_L0.9.jpg')