resize_images_in_folder.py

"""Resize all images in a folder"""
from tqdm.notebook import tqdm
import os
import glob

input_folder = r"" #os.getcwd()
output_folder = r""

resize_width = 512
resize_height = 512

filenames = glob.glob(os.path.join(input_folder,"*.jpg"))

for idx, filename in tqdm(enumerate(filenames), total=len(filenames)):
    file_ext = filename.split(".")[-1]
    img = cv2.imread(os.path.join(input_folder, filename))
    img = cv2.resize(img, (resize_width, resize_height), interpolation = cv2.INTER_CUBIC)
    
    
    new_filename = filename.replace(f".{file_ext}", "")
    cv2.imwrite(os.path.join(output_folder, f"{new_filename}_resized.jpg"), img)