Resize images to uniform sizes.

image_resizer.py

import cv2
import os

root = "./photos/data"
files = os.listdir(root)
SIZE = (640, 480)
output_path = "./photos/resized_data"
if not os.path.exists(output_path): os.makedirs(output_path)

for file in files:
    if file != '.DS_Store' and not file.endswith('.gif'):
        filename = file.split(".")[0]
        image = cv2.imread(os.path.join(root, file))
        # img = image.copy()
        img = cv2.resize(image, SIZE)

        cv2.imwrite(os.path.join(output_path, f"resized_{filename}.png"), img)