英德
有道
百度
谷歌
图片
维基
百科
噪声滤波 [zào shēng lǜ bō]
noise filtering
- 中值滤波对脉冲噪声有较好的滤波效果，对于白噪声降噪效果较差；小波包技术可以很好的消除白噪声，但对脉冲噪声滤波效果不理想。
The median filter may eliminate impulse noise but not white noise; the technology of wavelet pucket can primarily eliminate the white noise but not impulse noise. - 摘要针对现有脉冲噪声滤波算法在处理大斜率区域和断线型激光扫描数据中存在的多判和漏判问题，提出了一种有效检测脉冲噪声的方法。
According to the distribution of local impulse noise, an adaptive chord deviation method is used to avoid redundant detection or missing of impulse noise at the quick rising, descending or broken line area of data set. - 通过对嵌入水印的图像进行加入噪声、滤波、压缩以及裁剪等大量图像处理等试验，均能正确检测出水印，表明该算法具有很好的感知效果和鲁棒性。
Test results showed the good sensitivity and robustness of the algorithm for the best-known attacks such as noise interference, filtration, image compression/clipping and other image processing actions.
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