# %%椒盐攻击
ratio = 0.05
att.salt_pepper_att(input_filename='output/embedded.png',
output_file_name='output/椒盐攻击.png',
ratio=ratio)
# ratio是椒盐概率
# 提取
wm_extract = bwm1.extract('output/椒盐攻击.png', wm_shape=len_wm, mode='str')
print(f"椒盐攻击ratio={ratio}后的提取结果：", wm_extract)
assert np.all(wm == wm_extract), '提取水印和原水印不一致'
# %%旋转攻击
angle = 60
att.rot_att(input_filename='output/embedded.png',
output_file_name='output/旋转攻击.png',
angle=angle)
att.rot_att(input_filename='output/旋转攻击.png',
output_file_name='output/旋转攻击_还原.png',
angle=-angle)
# 提取水印
bwm1 = WaterMark(password_wm=1, password_img=1)
wm_extract = bwm1.extract('output/旋转攻击_还原.png', wm_shape=len_wm, mode='str')
print(f"旋转攻击angle={angle}后的提取结果：", wm_extract)
assert wm == wm_extract, '提取水印和原水印不一致'
# %%遮挡攻击
n = 60
att.shelter_att(input_filename='output/embedded.png',
output_file_name='output/多遮挡攻击.png',
wm_extract = bwm1.extract('output/纵向裁剪攻击_填补.png', wm_shape=len_wm, mode='bit')
print(f"纵向裁剪攻击ratio={ratio}后的提取结果：", wm_extract)
assert np.all(wm == wm_extract), '提取水印和原水印不一致'
# %%椒盐攻击
ratio = 0.05
att.salt_pepper_att('output/embedded.png', 'output/椒盐攻击.png', ratio=ratio)
# ratio是椒盐概率
# 提取
wm_extract = bwm1.extract('output/椒盐攻击.png', wm_shape=len_wm, mode='bit')
print(f"椒盐攻击ratio={ratio}后的提取结果：", wm_extract)
assert np.all(wm == wm_extract), '提取水印和原水印不一致'
# %%旋转攻击
att.rot_att('output/embedded.png', 'output/旋转攻击.png', angle=45)
att.rot_att('output/旋转攻击.png', 'output/旋转攻击_还原.png', angle=-45)
# 提取水印
bwm1 = WaterMark(password_wm=1, password_img=1)
wm_extract = bwm1.extract('output/旋转攻击_还原.png', wm_shape=len_wm, mode='bit')
print("旋转攻击后的提取结果：", wm_extract)
assert np.all(wm == wm_extract), '提取水印和原水印不一致'
# %%遮挡攻击
n = 60
att.shelter_att('output/embedded.png', 'output/多遮挡攻击.png', ratio=0.1, n=n)
# 提取
bwm1 = WaterMark(password_wm=1, password_img=1)
wm_extract = bwm1.extract('output/多遮挡攻击.png', wm_shape=len_wm, mode='bit')
from blind_watermark import att
# 旋转攻击
att.rot_att('output/打上水印的图.png', 'output/旋转攻击.png', angle=45)
att.rot_att('output/旋转攻击.png', 'output/旋转攻击_还原.png', angle=-45)
# %%提取水印
from blind_watermark import WaterMark
bwm1 = WaterMark(password_wm=1, password_img=1)
bwm1.extract(filename='output/旋转攻击_还原.png', wm_shape=(128, 128), out_wm_name='output/旋转攻击_提取水印.png')
assert wm == wm_extract, '提取水印和原水印不一致'
# %%椒盐攻击
ratio = 0.05
img_attacked = att.salt_pepper_att(input_img=embed_img, ratio=ratio)
# ratio是椒盐概率
# 提取
wm_extract = bwm1.extract(embed_img=img_attacked, wm_shape=len_wm, mode='str')
print(f"椒盐攻击ratio={ratio}后的提取结果：", wm_extract)
assert np.all(wm == wm_extract), '提取水印和原水印不一致'
# %%旋转攻击
angle = 60
img_attacked = att.rot_att(input_img=embed_img, angle=angle)
img_recovered = att.rot_att(input_img=img_attacked, angle=-angle)
# 提取水印
bwm1 = WaterMark(password_wm=1, password_img=1)
wm_extract = bwm1.extract(embed_img=img_recovered, wm_shape=len_wm, mode='str')
print(f"旋转攻击angle={angle}后的提取结果：", wm_extract)
assert wm == wm_extract, '提取水印和原水印不一致'
# %%遮挡攻击
n = 60
img_attacked = att.shelter_att(input_img=embed_img, ratio=0.1, n=n)
# 提取
bwm1 = WaterMark(password_wm=1, password_img=1)
wm_extract = bwm1.extract(embed_img=img_attacked, wm_shape=len_wm, mode='str')