Test results show that embedding around video quality has not changed significantly, in the absence of attack detection of the watermark and the original watermark than no obvious changes.
试验结果表明，水印嵌入前后，视频质量没有显明的变化，在无攻击时检测到的水印信息和原水印信息比拟也没有显明的变化。
Cleaning with sponge or cloth, then wash with water, there is no any watermark.
用海绵或抹布擦拭后用清水冲洗即可，不会留下水印。
Because the watermark embedding and extraction processes have no loss of the information, we can extract the complete information of the Original image from the watermarked image.
由于水印的嵌入和提取过程都是无信息丢失的，所以最终能从含水印的图像中提取出完整的图像信息。
No original image is needed when detecting the watermark.
提取水印时不需要原始图像，实现了盲检测。
The grass fresh and elegant PPT background image, background picture PPT green, green background picture, lush green grass PPT background image, background images, no watermark, pixel: 1024x640.
绿草清新淡雅ppt背景图片，绿色背景图片，绿色ppt背景图片，绿草如茵背景图片，绿草ppt背景图片，无水印，像素：1024x640。
Love tree aesthetic imagery PPT background picture, green PPT background picture, fresh and elegant background picture, love theme background images, HD no watermark, pixel: 1280x800.
爱心树唯美意象ppt背景图片，绿色ppt背景图片，清新淡雅的背景图片，爱主题背景图片，高清无水印，像素：1280x800。
Love tree aesthetic imagery PPT background picture, green PPT background picture, fresh and elegant background picture, love theme background images, HD no watermark, pixel: 1280x800.
爱心树唯美意象ppt背景图片，绿色ppt背景图片，清新淡雅的背景图片，爱主题背景图片，高清无水印，像素：1280x800。
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