In order to improve the performance of median filter and enhance adaptability for different intensity pepper-salt noise, a median filter based on noise density estimation is proposed.
为了提高中值滤波器的滤波性能和适应不同强度的椒盐噪声，提出了基于噪声强度估计的中值滤除算法。
The density of the streets, the noise and the rush of people, astonished her.
密集的街道和拥挤嘈杂的人群让她惊奇。
The median filtering is a common method in image processing, but it is limited when it faces the swash noise of space high density, because it depends on the fixed Windows and the data points.
中值滤波是图像处理中比较常用的滤波方法，但是它对窗口和数据点的依赖使它在处理空间密度较大的冲激噪声时受到限制。
Among other available heat engines, the stifling engine embodies some interesting features: high efficiency, low noise and vibration as well as the ability to use the sources of high energy density.
在其他各种热动力中，热气机具有许多特点：高效率，低噪音和振动，以及可利用高能量密度的各种热源等。
Results Each of scanning parameter, volume and density affected the noise on ct imaging.
结果扫描参数，受检体的体积及密度均影响CT图像噪声。
With strong ability of discovery of arbitrary shape clusters and handling noise, density based clustering is one of primary methods for data mining.
基于密度的聚类算法因其抗噪声能力强和能发现任意形状的簇等优点，在聚类分析中被广泛采用。
The probability density function of velocity response of oleo damper excited by exponential colored Gaussian noise has been obtained.
从而导出了油液阻尼器受指数型高斯色噪声外激励时的速度响应的概率密度函数。
By means of orthogonal experiment, the effects of noise, visibility and fringe density on the measuring accuracy of fringe direction and space are analysed in detail.
采取正交实验手段，全面分析了噪声、条纹对比度和密度对条纹方向及间距测量精度的影响。
Results:The qualities of clinical images were closely related to such parameters as CTDI, noise level, density resolution and spatial resolution.
结果：临床照片图像质量与剂量指数、噪声水平、密度分辨率和空间分辨率关系密切。
The noise conditions defined by the paper include two factors:noise strength and noise distribution density.
本文中定义的噪声条件包括噪声强度及噪声分布密度两个因素。
The experimental results of semiconductor lasers about the relations between low-frequency noise spectral density and reliability of devices are reported in this paper.
本文给出了半导体激光器的低频电噪声谱密度和器件可靠性关系的实验结果。
By using the unified colored noise approximation method, the master equation for probability density, the steady state probability distribution function and its extrema equation are derived.
讨讼色泊松噪声驱动系统，利用统一色噪声近似方法，得到系统几率密度主方程，定态几率分布函数及其极值方程。
It is shown that the phase noise spectrum density shift periodicity with the length of external cavity and the peak value of power spectrum density varies considerably with the feedback coupling rate.
这表明相位噪声功率谱密度随外腔长度而周期性地漂移，且功率谱密度的峰值随外部反馈耦合率而发生很大的变化。
On the basis of data processing, we analyze the power spectrum density of coordinate component noise at each site and calculate the spectral indexes manifesting the noise property of each component.
在对数据进行清理的基础上，分析了各站坐标分量噪声的功率谱密度，计算了表征各分量的噪声特性的谱指数。
It is established on the expected value of the theoretical spatial spectrum over the joint posterior density function of the array output signal and noise parameters.
它是建立在阵列输出信号和噪声参数联合后验概率密度基础上的空间谱估计。
DBSCAN is a density based clustering algorithm that can efficiently discover clusters of arbitrary shape and can effectively handle noise.
DBSCAN是一种基于密度的空间聚类算法，在处理空间数据时具有快速、有效处理噪声点和发现任意形状的聚类等优点。
The subsystems' mode density is calculated by empirical formulas. Finally, SEA is adopted to predict self-noise in sonar platform area and satisfying results are obtained.
采用经验公式计算各子系统模态密度，最后利用统计能量法来预报潜艇首部声呐平台区自噪声，得到了令人满意的结果。
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.
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。
The spectral noise power density of pure avalanche diodes is compared with that of avalanche the diodes with tunneling penetration.
比较了纯PN结雪崩二极管和带有隧道穿透的PN结雪崩二极管的噪声功率谱密度。
Based on the equivalent circuit model of a two-port optical receiver front-end, the relationship between the equivalent input noise current spectral density and the noise figure is analyzed.
根据光接收机前端等效电路模型，建立了噪声系数与等效输入噪声电流谱密度的关系。
With the city's rapid development and gradual improvement of road infrastructure, urban traffic density increased year by year, the noise pollution of road traffic has become increasingly serious.
随着城市的飞速发展和道路基础设施的逐步改善，城市交通密度也逐年增加，交通噪声污染情况越来越严重。
After the objects are scanned the large number's original point cloud data of a great density will generate, and in which noise are randomly distributing.
物体经过扫描后，得到的大量原始点云数据一般密度很大，且其中随机分布着噪声数据。
Fig. 3 - histogram. A vertical histogram shows the signal density as a function of voltage, and helps to visualise noise.
图3——直方图，垂直直方图做为电压功能显示了信号密度，并有助于噪音可视化。
The adaptive strategies of the new algorithm strengthen the denoising performance of the filtering algorithm, which is good at dealing with any density noise.
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。
In surface reconstruction, due to high density of data obtained from laser scanner, these data still contain a great deal of redundant data after reducing noise error.
在曲面重构中，由于激光法测量的数据密度比较大，对噪声点处理后，数据中仍包含大量的冗余数据。
The analytic solutions of the probability density of the steady state responses of Coulomb sliding systems with gradually strong springs to Gaussian white noise are derived.
利用等效线性化方法推导了具有渐硬非线性复位弹簧的滑动系统的高斯白噪声激励稳态随机响应概率分布的解析解。
The erasable optical disk with high recording density, high stability, high data transfer rate, high carrier-noise ratio and low error rate arc the main points in the research and development.
当前的研究与开发的重点是具有高记录密度，数据传输速率快、稳定性好、载噪比大和误码率低的可擦型光盘存储材料。
Through specific study of the characteristic of scanned project graph, a de-noise algorithm based on the pixels density is proposed.
通过仔细研究工程扫描图象的特征，提出一种基于密度划分的去噪算法。
Through specific study of the characteristic of scanned project graph, a de-noise algorithm based on the pixels density is proposed.
通过仔细研究工程扫描图象的特征，提出一种基于密度划分的去噪算法。
应用推荐