April 2018
Beginner
552 pages
13h 58m
English
import sys import cv2 import numpy as np
in_file = sys.argv[1] image = cv2.imread(in_file)
image_gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
cv2.imshow('Input grayscale image', image_gray)
image_gray_histoeq = cv2.equalizeHist(image_gray)
cv2.imshow('Histogram equalized - grayscale image', image_gray_histoeq)
image_yuv = cv2.cvtColor(image, cv2.COLOR_BGR2YUV) image_yuv[:,:,0] = cv2.equalizeHist(image_yuv[:,:,0]) image_histoeq = cv2.cvtColor(image_yuv, cv2.COLOR_YUV2BGR)
cv2.imshow('Input image', image) cv2.imshow('Histogram ...