This paper studies the optimum detection model of the multiplicative spread-spectrum watermark embedded by fixed strength.
对以固定强度嵌入的乘性扩频水印的最优检测模型进行了研究。
Then after preprocessing the binary image watermark, with different embedding strength the watermark image is embedded by the rule of odd-even adjudgement.
对二值水印图像预处理后，根据分类结果采用不同强度自适应的嵌入水印，嵌入采用奇偶判决法则。
Then after preprocessing the binary image watermark, with different embedding strength the watermark image is embedded by the rule of odd-even adjudging.
对二值水印图像预处理后，根据分类结果自适应的嵌入水印，嵌入采用奇偶判决法则。
The strength of the embedded watermark is image-adaptive according to the wavelets quantization noise, and combined with the error-correct code, it improved the characteristic to anti-attack.
根据小波域量化噪声自适应地确定嵌入强度，并结合纠错编码，提高了抗攻击能力。
The strength of the embedded watermark is image-adaptive according to the wavelets quantization noise, and combined with the error-correct code, it improved the characteristic to anti-attack.
根据小波域量化噪声自适应地确定嵌入强度，并结合纠错编码，提高了抗攻击能力。
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