In the additive method separate colored lights are combined to produce various other colors.
在加色法中,不同颜色的光线混合以产生其他各种色彩.
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Watermark according the several - for - one principle is embedded in the image content using additive method.
在提取部分图像内容的基础上,按照多对一的原则,使用改进的加性方法嵌入水印信息.
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