-
-
Notifications
You must be signed in to change notification settings - Fork 692
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Attacks on the image does break the watermark #89
Comments
eroo36
changed the title
Attacks on the image does break the watermark:
Attacks on the image does break the watermark
Oct 5, 2022
You need to recovery the pics to the original size. this method can have over 80% success rate The most imortant is this:
https://github.com/guofei9987/blind_watermark/blob/master/examples/example_str.py
|
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
I tested with this website and with GIMP to edit the watermarked image and I only crop/resize the image slightly for example used a JPG image with result of JPG as well:
file 1:
original: 329x731
cropped : 310x710
file 2:
original: 4624 × 3472
resized: 4204 × 3157
the cropped/resized image has broken watermark result when i decode it again.
Code I use to add wm:
Code I use to get wm:
The text was updated successfully, but these errors were encountered: