Python to Reduce Image Size with Full Source Code For Beginners

Script to reduce the size of image files using the OpenCV library of python.

Prerequisites:

  • openCV library
pip install opencv-python

Run the Script:

  • Add the image in jpg format with name as ‘input.jpg’ in this folder.
  • Run reduce_image_size.py script.
  • resized output image will be generated in this folder.

Source Code:

reduce_image_size.py

# import openCV library for image handling import cv2 # read image to be resized by imread() function of openCV library img = cv2.imread('input.jpg') print(img.shape) # set the ratio of resized image k = 5 width = int((img.shape[1])/k) height = int((img.shape[0])/k) # resize the image by resize() function of openCV library scaled = cv2.resize(img, (width, height), interpolation=cv2.INTER_AREA) print(scaled.shape) # show the resized image using imshow() function of openCV library cv2.imshow("Output", scaled) cv2.waitKey(500) cv2.destroyAllWindows() # get the resized image output by imwrite() function of openCV library cv2.imwrite('resized_output_image.jpg', scaled)
Code language: PHP (php)

Input:

Output:

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