Convert PIL Image to byte array?

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Thanks everyone for your help.

Finally got it resolved!!

import io

img = Image.open(fh, mode="r")
roi_img = img.crop(box)

img_byte_arr = io.BytesIO()
roi_img.save(img_byte_arr, format="PNG")
img_byte_arr = img_byte_arr.getvalue()

With this i don’t have to save the cropped image in my hard disc and I’m able to retrieve the byte array from a PIL cropped image.

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