low-pass filtering的意思|示意

Experimental results show that the watermark is imperceptible and the algorithm is robust to many attacks, such as MP3 compression, noise addition, requantization, low pass filtering and so on.

实验结果表明，水印系统对MP3压缩、噪声干扰、重量化、低通滤波攻击有一定的鲁棒性。

We first employed the unsharp masking to adjust the contrast of angiograms, and then removed the consistent component of low frequency in frequency domain by high-pass filtering.

首先采用反锐化滤波器对血管造影图像进行对比度调整，然后通过频域高通滤波去除背景中的一致性成分。

Accelerometer readings can be jerky and noisy. Applying low-pass filtering on the signal allows you to smooth it and get rid of high frequency noise.

加速度传感器数值可能被颠簸和噪音影响。应用低通过滤器在信号上可以是它平滑，并摆脱高频噪音的干扰。

In this paper, the signal processing methods are introduced to improve the effect of display by regarding surface vectors as discrete vector signals and implementing low-pass filtering on them.

本部分研究通过把表面法矢量视为离散矢量信号，引入信号处理中滤波器的方法来平滑表面法矢量。

Two methods with which the long disturbance is removed from the digital care introduced: narrow band low-pass filtering canceling method and adaptive high-pass filtering method.

主要提出两种消除数字地震信号中长周期随机干扰的方法：窄带低通滤波对消法和自适应高通滤波法。通过使用多级抽点技术大大减少滤波法的运算量，可获得良好的滤波特性。

Basic function: histogram equalization, median filtering, average filtering, sharpening, low-pass qualcomm homomorphic filtering.

具有基本功能：直方图均衡化、中值滤波、均值滤波、锐化、低通高通同态滤波。