This paper gives a new arithmetic of the background filtration (enhanced simplification high-pass filtering).
提出一种新的背景滤除算法(增强型简化高通滤波)。
Experimental results show that it can detect the target more effectively compared with the high-pass filtering.
实验结果表明,与高通滤波相比,该方法能够更有效地检测出弱小目标。
However, the HF subband is created by subtracting the synthesized LF subband from original image but not by 2-D high-pass filtering original image.
但是,高频子带并不是通过2-D高通滤波原始图像,而是通过原始图像与合成的低通子带相减得到的。
This method was applied to computer-simulated and clinically collected carotid Doppler signals, and compared with the conventional high-pass filtering method.
并用于计算机仿真的超声多普勒信号和实际采集的人体颈总动脉多普勒信号的处理,同时与传统的高通滤波器方法进行了比较。
With this technique, the digital image convolution can be realized, therefore, the image low-pass filtering, image high-pass filtering, edge-enhancing could be realized.
采用这种技术,可以实现数字图像卷积运算,因此可以完成图像的低通滤波、高通滤波、强化边缘等处理。
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。
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。
The mean blood velocity was estimated using the proposed method with a relative error of 5.62%, which demonstrated improved accuracy compared to 12.83% by using the high-pass filtering method.
实验中得到了与实际更接近的平均流速估计,相对误差仅为5.62%,与滤波法的相对误差12.83%相比,准确性得到了一定的提高。
According to the imaging difference of target, background clutter and noise, a moving small target detection method based on spacial high-pass filtering and N-frame track accumulating is presented.
根据目标、背景干扰和噪声在红外序列图像中的差异,提出了一种基于空间高通滤波和时间域上N帧轨迹积累的运动小目标检测方法。
This novel method, together with the traditional high-pass filtering method, is applied to both computer simulated Doppler ultrasound signals and collected human carotid Doppler ultrasound signals.
对计算机仿真的超声多普勒信号和采集的人体颈总动脉多普勒信号分别应用该方法,并和传统的高通滤波器方法进行比较。
A new binary joint transform correlator (BJTC) with high pass filtering is.
提出一种新的采用高通滤波的二元联合变换相关器。
Two methods with which the long disturbance is removed from the digital are introduced: narrow band low - pass filtering canceling method and adaptive high - pass filtering method.
本文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。
We can expand dynamic range using grey linear transformation, and make fine structures improved using enhanced high -pass filtering method.
灰度线性变换法能够加大图像动态范围,增强高通滤波法能够增强图像的精细结构。
A new binary joint transform correlator (BJTC) with high pass filtering is. proposed.
提出一种新的采用高通滤波的二元联合变换相关器。
The difference between the proposed correlator and BJTC is that joint power spectrum is processed by using high pass filtering before applying binarization.
这种相关器与一般的二元联合变换相关器的差别在于联合功率谱作二元处理之前先进行高通滤波。
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。
Unlike our other versions, this one has no high pass filtering on the outputs.
不像我们的其他版本,这其中没有高通滤波的输出。
By using the high frequency emphasis filtering instead of the high pass filtering, the image enhancement effectiveness is obviously improved.
该方法通过用高频加强滤波代替原算法的高通滤波,使增强效果得到了显著提高。
According to characteristic of direct wave in PGPR echo, 2d filtering, matrix filtering and horizontal high pass filtering are tried to remove direct wave in PGPR echo.
针对PGPR回波中直达波的特性,尝试用二维滤波、模板滤波和水平高通滤波去除PGPR直达波并分析各个方法的利弊。
According to characteristic of direct wave in PGPR echo, 2d filtering, matrix filtering and horizontal high pass filtering are tried to remove direct wave in PGPR echo.
针对PGPR回波中直达波的特性,尝试用二维滤波、模板滤波和水平高通滤波去除PGPR直达波并分析各个方法的利弊。
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