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BlindWaterMark

盲水印 by python

文件说明

  • bwm.py 程序文件python2版本
  • bwmforpy3.py 程序文件python3.6版本
  • hui.png 无水印的原图
  • wm.png 水印图
  • hui_with_wm.png 有盲水印的图
  • wm_from_hui.png 反解出来的水印图

Demo

合成盲水印图

python bwm.py encode hui.png wm.png hui_with_wm.png

image

image

->

image

提取图中的盲水印 (需要原图)

python bwm.py decode hui.png hui_with_wm.png wm_from_hui.png

image

image

->

image

install dependency

pip install -r requirements.txt

Usage

注意程序python2和python3版本的加解密结果会有所不同,主要原因是python2和python3 random的算法不同,如果要让python3兼容python2的random算法请加 --oldseed参数。

Note that the encode and decode results of the python2 and python3 versions of the program will be different. The main reason is that the python2 and python3 random algorithms are different. If you want to make python3 compatible with the random algorithm of python2, please add the --oldseed parameter.

Usage: python bwm.py <cmd> [arg...] [opts...]
  cmds:
    encode <image> <watermark> <image(encoded)>
           image + watermark -> image(encoded)
    decode <image> <image(encoded)> <watermark>
           image + image(encoded) -> watermark
  opts:
    --debug,          Show debug
    --seed <int>,     Manual setting random seed (default is 20160930)
    --oldseed         For python3 to use python2 random algorithm.
    --alpha <float>,  Manual setting alpha (default is 3.0)

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blindwatermark's Issues

bwmforpy3.py 无法正常运行

使用 python3 bwmforpy3.py decode 附带的示例图片:
python3 bwmforpy3.py decode hui.png hui_with_wm.png output.png
生成的 output.png 出现大量黑条,无法辨识内容?
output
python2 bwm.py decode 能够正常显示。

opencv-python==4.2.0.34 找不到此版本

使用pip安装requirements.txt里的库时,出现Could not find a version that satisfies the requirement opencv-python==4.2.0.34 (from -r requirements.txt (line 1)) (from versions: )
No matching distribution found for opencv-python==4.2.0.34 (from -r requirements.txt (line 1))
有没有可代替的opencv库。

ImportError: No module named cv2

Ťgit:(master) python bwm.py encode hui.png wm.png hui_with_wm1.png                                                                               [/usr/sbin/zavic/BlindWaterMark][19:17:45]
Traceback (most recent call last):
  File "bwm.py", line 55, in <module>
    import cv2
ImportError: No module named cv2

可以处理截图吗

报错
image<hui.png> + image(encoded)<1.png> -> watermark<2.png>
Traceback (most recent call last):
File "bwm.py", line 180, in
rwm = (f2 - f1) / alpha
ValueError: operands could not be broadcast together with shapes (744,794,3) (626,400,3)

1

Wose

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