Machine Learning, Histogram Equalization.
technique ## code to plot histogram in python import numpy as np import cv2 from matplotlib import pyplot as plt img = cv2.imread('Chatth_Puja_Bihar_India.jpeg',0) hist,bins = np.histogram(img.flatten(),256,[0,256]) plt.hist(img.flatten(),256,[0,256], color = 'r') plt.xlim([0,256]) plt.show() We