After that, all you have to do is to create a for loop to open, resize and save each image in the directory. listdir() function you can read all the file names in a directory. You can resize multiple images in Python with the awesome PIL library and a small help of the os (operating system) library. The function doesn't modify the used image it instead returns another Image with the new dimensions.0 How do I resize an image in a dataset in Python? To resize an image, you call the resize() method on it, passing in a two-integer tuple argument representing the width and height of the resized image.
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