How to send numpy arrays into zxing for detection, rather than a path to an image file?

Question

How to read the image through opencv and send it to zxing for detection instead of using the image path?

reader = zxing.BarCodeReader()
qrcode = reader.decode(img_path)

I want to use the code as below, but I won't do it in detail.

reader = zxing.BarCodeReader()
qrcode = reader.decode(cv2.imread(img_path))

which specific library/package of zxing for python do you use? — Christoph Rackwitz, Aug 24 '22 at 10:06
Does this answer your question? [How can i pass image itself not path of it to zxing library for decode pdf417](https://stackoverflow.com/questions/65790791/how-can-i-pass-image-itself-not-path-of-it-to-zxing-library-for-decode-pdf417) — Christoph Rackwitz, Aug 24 '22 at 10:06

score 0 · Answer 1 · answered Aug 24 '22 at 09:59

zxing supports PIL images so you can try:

qrcode = reader.decode(Image.open(img_path))`

If you need to use opencv images, first convert them to PIL:

qrcode = reader.decode(Image.fromarray(cv2.imread(img_path)))

Or you can write them to a temporary file, what zxing is actually doing if you pass a PIL image.

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1 Answers1