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- The selection of the coefficients is based on the RLE of the binary watermark image and the key K2. 检测时，根据游程码值和小波系数变化幅度两个原则检测水印信息。
- Utilize Y component of YUV color space to embed the watermark, calculated HVS. embed the encrypting watermark image transformed by the JPEG encodes to significant coefficient. 利用彩色图像的YUV色彩空间的Y分量嵌入水印。
- As the Zernike magnitude moments of a normalized image are RST invariant,the watermark image is embedded into the local area of the original image after reconstruction. 几何攻击能极大地破坏水印检测的同步性,微小的几何攻击就可能使得水印检测失败。
- It used Arnold transformation to encrypt the watermark image,then inserted the watermark image into the important coefficients from different orientations of the wavelet transformation. 利用Arnold置换方法对水印图像进行保密处理,再根据提出的数字水印算法,将水印图像嵌入到小波变换的不同方位的重要系数当中。
- The original binary watermark image was firstly encrypted pro rata through Human visual system (HVS) principle and embedded into the DWT low frequency sub-band of green components. 原始二值水印图像按比例进行分解，结合HVS原理，将分解的水印图像嵌入到绿色分量的低频和中低频三级小波变换系数中。
- The watermarking algorithm adopts the DCT and encryption technologies to the embedded watermark image. 该算法首先对水印图像进行离散余弦变换,再对变换后的水印图像进行加密,然后将加密后的水印图像嵌入到DCT变换后的原始图像中。
- So that the corrupted watermarked image can be corrected and the watermark can be detected correctly. (3)利用几何矩对水印图像经过的几何变换进行参数估计并校正，有效抵抗了几何攻击的问题。
- A wavelet visible watermarking algorithm is proposed based on noise masking, then the improvement is made based on texture feature of watermark image. 摘要根据图像的噪声掩蔽性设计了一种小波域可见水印算法，并根据水印图像的纹理特征对算法作了进一步改进。
- A wavelet visible watermarking algorithm is proposed based on noise masking,then the improvement is made based on texture feature of watermark image. 根据图像的噪声掩蔽性设计了一种小波域可见水印算法,并根据水印图像的纹理特征对算法作了进一步改进。
- Meanwhile, any possible attacks on the watermarked image can be detected easily because of the embedded fragile watermark. 此外，由于在图像中嵌入了脆弱水印，对其可能受到的攻击可方便地进行检测。
- The watermark is embedded in the significant coefficient in the low frequency was found to be robust, but the watermarked image is easily visible distortion. 将浮水印藏在影像频率域中的低频带的重要系数，经研究可使浮水印较具强韧性来抵抗外部影像处理攻击，但也因此牺牲影像的品质。
- The experimental results show that the watermarked image generated by this algorithm maintains both the quality of the host image and details of the visible watermark. 实验结果表明，本算法生成的含水印图像既可保持宿主图像的质量，又能使可见水印细节可见；
- Experiment results showed that this watermarking image has better performance of invisibility and anti-attack of noise. 实验结果表明，该水印具有良好的不可见性和抗噪声攻击能力。
- The proposed scheme is exploiting the high sensitivity on initial value of chaotic map, can localize the tampers on the watermarked image. 利用混沌对初值极端敏感性的特点，能够定位检测对加入水印图像的窜改，并且水印提取不需要原始图像。
- Data owner can use his private key embed the identification into the local image and retrieve it from the watermarked image. 数据的所有者利用私钥向数据中嵌入版权信息,任何数据使用者可以利用公钥从接收到的数据中提取版权信息。
- Then with the general fragile watermarking method,the tampered area of the watermarked image could be reflected in the ... 理论分析和仿真实验表明:该算法能有效地抵抗“伪认证攻击”,具有更好的安全性能。
- You just configure your watermark and then can create new watermarked images quickly. 覆盖图片或创建新的图片；在一张图片中再标记一张图片；
- The heroine is the spitting image of the author. 书中女主人翁是作者的真实写照。
- First, adaptive wavelet transformation is acted on original image, and then mixed scrambling algorithm is adapted to treat with the watermarking image. 首先利用改进的自适应小波变换对原始图像进行处理，然后采用混合置乱算法对水印图像进行处理。
- The robustness and imperceptibility of watermarked image with the different weighting factors are demonstrated and analyzed in detail. 针对不同权重因子的水印系统, 详细分析和讨论了所提出水印方案的隐蔽性和稳健性。
