resizeImages.py

import cv2
import os
import numpy as np

# This module resizes image from a given directory to 100*100 pixels and writes all images to given directory
count = 0

for path, subdirnames, filenames in os.walk("trainingImages"):

    for filename in filenames:
        if filename.startswith("."):
            print("Skipping File:", filename)   # Skipping files that startwith .
            continue
        img_path = os.path.join(path, filename)   # fetching image path
        print("img_path", img_path)
        id = os.path.basename(path)   # fetching subdirectory names
        img = cv2.imread(img_path)
        if img is None:
            print("Image not loaded properly")
            continue
        resized_image = cv2.resize(img, (100, 100))
        new_path = "resizedTrainingImages" + "/" + str(id)
        # write all images to resizedTrainingImages/id directory
        print("desired path is", os.path.join(new_path, "frame%d.jpg" % count))
        cv2.imwrite(os.path.join(new_path, "frame%d.jpg" % count), resized_image)
        count += 1