The experiments show that the blind watermarking algorithm is robust in JPEG image compression, image clipping, image scaling and image filtering, especially in wavelet image compression.

实验结果表明，该算法对JPEG压缩及图像剪裁、缩放、滤波有较好的鲁棒性，特别对于基于小波压缩算法的图像具有很好的鲁棒性。

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Simulation results show that compared with clipping and the traditional companding techniques, threshold-based companding scheme can effectively improve the performance of PAPR with low complexity.

仿真结果表明，与削波技术和传统的压扩技术相比，门限压扩以较小的系统复杂度获得了峰均比性能的改善。

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The experimental results show that this algorithm possesses better invisibility and has good robustness to clipping, noise, filtering and JPEG compression attack.

实验结果表明该算法具有较好的不可见性，对剪切、噪声污染、滤波、JPEG压缩攻击具有良好的鲁棒性。

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