提出一种新的椒盐噪声滤除方法。
图像信号中噪声滤除一直是一大难题。
Filtering noise in the image signal has been one big hard nut to crack.
文章提出了一种基于先定位、后滤波思想的椒盐噪声滤除算法。
In this paper, a simple algorithm based on noise-located is presented to remove salt and pepper noise from gray-scale image.
在图像处理领域中噪声滤除是图像预处理阶段一项必不可少的工作。
Noise filtering is a necessary step on image pre-processing stage in digital image processing.
提出了一种自适应邻域中值滤波算法，用于医学超声内窥镜图像的噪声滤除。
This paper presented a new weighted median filter for medical ultrasound endoscopes images based on adaptive neighborhood.
结合实际拍摄的动态交通图像，提出了基于数学形态学和帧差法的交通图像噪声滤除方法。
A noise-filtering algorithm of real traffic video images based on mathematical morphology and frame difference was proposed.
并根据小波变换在噪声滤除及数据压缩方面的优势，选取小波变换对光谱数据进行滤噪和初步压缩。
For the advantage of wavelet transform in denoising and data compression, we choose wavelet transform to denoise and compress the data of Near-infrared spectra.
该算法中的自适应策略加强了滤波算法的去噪性能，使其对于含有任意噪声密度的图像也能很好地进行噪声滤除。
The adaptive strategies of the new algorithm strengthen the denoising performance of the filtering algorithm, which is good at dealing with any density noise.
实验结果证明，这种方法不但能有效地滤除椒盐噪声，而且能够很好地保持边缘。
The experiment shows that this method can powerfully denoise salt-and-pepper noise with good edge-preserving.
本文提出了一种解决滤除人脸图像中高频及低频噪声的新算法。
In this paper, we propose a new algorithm for removing high frequency and low frequency noise in face images.
并通过仿真说明该算法能够比较好的滤除冲激噪声和减小中值滤波对图像引入的平滑效应；
The simulation results show the proposed method can effectively filter the impulse noise and deduce the negative impact on image smoothing by the median filter.
其次滤除受高斯噪声污染的像素点，采用对称近邻均值滤波算法。
Following that the Gaussian noises are filtered out by symmetrical-neighbor mean filtering.
最后，给出了几种滤波技术的滤波效果比较图，验证了本文提出的滤波新方法对椒盐噪声的滤除能力。
Finally several resulting figures from filtering technique effect figures are presented to verify the new noise filtering technique developed in this paper.
传统的低通滤波方法将图像的高频部分滤除，虽然能达到降低噪声的效果，但会破坏图像的细节。
The traditional low-pass filter method can restrain the high frequency part and decrease noise but may destroy image detail, and other methods also have other defects.
常用的空间自适应滤波方法在滤除噪声的同时，损失了图像中的大量边缘细节信息。
The commonly spatial adaptive noise filter can reduce the noise effectively, but at the same time leads to the loss of a large number of image edge detail information.
滤除这些噪声将导致滞后反应，较高的信元丢失和较低的链路利用。
Filtering out the noise will lead to sluggish response, with higher cell loss and lower link utilization.
该方法能够有效地增强血管的一致性取向结构及血管与背景之间的边界，并能很好地滤除噪声。
The proposed approach facilitates enhancing the directional structure of vessels and strengthening the edge while noise is removed in this way.
牛肉图像中的斑点噪声与肌内脂肪的颜色特征相似，要准确提取牛肉图像中的肌内脂肪颜色特征，就必须先对斑点噪声进行滤除。
Speckle noises are similar to intramuscular fat pixels in beef image, and they must be removed if intramuscular fat pixels need to be correctly separated from beef muscle pixels.
在许多场合都会遇到高强度噪声的图像，特别是椒盐噪声的滤除非常困难。
In most situations we will deal with image noise with high density, especially it is very difficult for processing image corrupted by salt-and-pepper noise with high probabilities.
结果表明，该算法在有效滤除SAR图像斑点噪声的同时，有更强的图像细节信息保持能力。
The result shows that the algorithm filters the SAR image speckle noise efficiently, meanwhile it has much stronger ability to maintain the detail information.
在光滑性约束项的构造上，构造了一种基于边缘定向扩散的各向异性张量型扩散方程，能有效地根据边缘的方向确定是增强边缘还是滤除噪声。
To construct a valid smoothness constraint, an edge-directed tensor diffusion is used, which can automatically select to denoise or to enhance edge according to the direction of edges.
根据超声信号的特点，可以利用相干检测理论对信号进行处理，从而达到滤除噪声、提高分辨力的目的。
According to the characteristics of ultrasonic signal, it can be used to deal with correlation technique to filter noise and improve resolution.
采用改进的自适应矢量中值滤波法，对脉冲噪声有选择地滤除。
On the basis of the results, an approach of improved median filtering is applied to selectively remove the impulse noises in a color image.
提出了利用小波来去除雷达平面位置图像(PPI)的散点噪声，然后利用形态学原理构造目标结构元来滤除斑点噪声和杂波。
In this paper, wavelet is used to erase speckle noise in radar PPI, and the principle of morphology is used for building structure element to filter off the speckle noise and clutter.
实验结果表明，该算法不仅可以有效滤除各种慢变化及脉冲噪声，而且在滤噪的同时能锐化目标的边缘。
The experiment results show that this algorithm can not only strain effectively every slow changing and pulse noise, but also sharpen well the image edge simultaneously.
这样，滤波时就可以考虑到图像的亮度信息，在滤除图像噪声的同时尽量保持了图像的边缘。
In this way, image brightness will be taken into account and the image edge should be simultaneously maintained as possible during filtering image noise.
匹配追踪分解可以通过控制迭代的次数来达到滤除噪声的目的。
Matching pursuit decomposition can control the iterative number to achieve the purpose of filtering noise.
实验结果表明，此方法在滤除噪声时具有一般神经网络和中值滤波器所没有的优点，精度明显提高。
The proposed method has obvious advantages over other neural networks and median filter in filtering noise, and the precision of results are much higher.
实验结果表明，此方法在滤除噪声时具有一般神经网络和中值滤波器所没有的优点，精度明显提高。
The proposed method has obvious advantages over other neural networks and median filter in filtering noise, and the precision of results are much higher.
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