The experimental results show that both of them can resist signal distortions such as JPEG compression, Gauss noise, and the improved algorithm has better robustness and security.
从试验结果看，两种算法能够抵抗JPEG压缩以及高斯噪声等信号处理的攻击，且改进后的算法水印鲁棒性及保密性得到了增强。
Here we shall discuss only such factors as may cause distortions of the signal.
这里我们将讨论的只是可能引起信号失真的那些因素。
On account of four distortions such as signal lag, radial distortion, eccentric distortion and thin lens, etc. a precision distortion correction model is established.
新模型考虑了信号滞后、径向、偏心和薄透镜等四种畸变，建立了精确的畸变矫正模型。
Many digital watermarks now available for images are sensitive to signal processing and geometric distortions, a robust digital image watermarking algorithm is proposed.
针对现有适用于图像的数字水印对信号处理和几何失真比较敏感的问题，论文首先提出一种稳健的数字图像水印算法。
The results demonstrate that the watermark is robust for general signal processing and geometric distortions.
实验表明，采用该算法实现的水印对常见的图像处理和几何变换具有很好的鲁棒性。
The results demonstrate that the watermark is robust for general signal processing and geometric distortions.
实验表明，采用该算法实现的水印对常见的图像处理和几何变换具有很好的鲁棒性。
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