Title: Enhance Contrast Of Greyscale Image
Slug: enhance_contrast_of_greyscale_image
Summary: How to enhance the contrast of images using OpenCV in Python.
Date: 2017-09-11 12:00
Category: Machine Learning
Tags: Preprocessing Images
Authors: Chris Albon

Preliminaries



In [5]:

    
# Load image
import cv2
import numpy as np
from matplotlib import pyplot as plt

Load Image As Greyscale



In [6]:

    
# Load image as grayscale
image = cv2.imread('images/plane_256x256.jpg', cv2.IMREAD_GRAYSCALE)

Enhance Image



In [7]:

    
# Enhance image
image_enhanced = cv2.equalizeHist(image)

View Image



In [8]:

    
# Show image
plt.imshow(image_enhanced, cmap='gray'), plt.axis("off")
plt.show()