The invention relates to the technical field of auxiliary tools for fish nets. Fish net buoys sold at the current markets can not be used for fishing in deep water and can not resist compression.
本发明涉及渔网辅具技术领域，目现市场上出售的渔网浮子，不能在深水中捕捞的，不抗压。
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。
Emulating results show: the two proposed algorithms can resist several attacks such as JPEG lossy compression, addition of noise, median filtering, cropping, and contrast enhancement.
仿真结果表明：本文所提两种算法能抵抗JPEG压缩、加噪、剪切、中值滤波及对比度增强等多种攻击。
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