查询词典 noising

On the one hand, de noising of instantaneous parameters is optimized by a wavelet filter, which can improve the recognition ability under the low SNR; on the other hand, the existing three feature parameters σ,σ(subscript ∞) and σ are used, and three new parameters Ra, Rp and Rf are proposed based on the existing feature parameters, which can simplify the process and improve the recognition ability.

该算法一方面提出采用小波滤波器对信号的瞬时信息进行消噪处理，提高了调制识别算法在低信噪比下的识别能力；另一方面利用已有算法的3个特征参数σ、σ、和σ以及在已有算法基础上改进的3个新的特征参数Ra、Rp和Rf，简化了识别过程，改善了低信噪比下的识别效果。

In this paper, a boundary chain code tracing method is used to extract the contour information, the process of thinning, de noising, and encoding for contour are realized at one time, so a 1D string represented the 2D contour shape information is obtained, then a contour matching method based on chain code is presented.

首先利用边界链码的跟踪技术，提取出二维碎片的轮廓信息，同时对轮廓线进行细化、去噪和编码处理，得到二维轮廓线的一维链码信息描述，并在此基础上提出一种基于链码的二维碎片轮廓匹配方法。

Enhancement effect is obvious by combining de noising method with non linear gain method in the high frequency sub bands with worse resolution.

实验结果表明，本文提出的方法在有效的增强红外图像对比度的同时，又能很好的抑制红外图像中相关噪声、加性高斯白噪声和乘性噪声

The key technology of wavelet deˉnoising is how to choose threshold and thresholding function, which is diˉ rectly related to the filtering effect, but in nowadays the discus sion is mainly based on offˉline analysis.

在使用小波域阈值滤波方法消除光纤陀螺输出噪声时，阈值的确定和阈值函数的选取是两个关键问题，它们直接关系到小波滤波的滤波效果，目前关于此方面的讨论较多基于离线分析。

We also study on the coding performance of these wavelet. At last, we investigate the wavelet threshold denosing for image, and present a improved Bayes denosing for image. We also combine the wavelet image coding with image denosing based on wavelet threshold, the noising image is compressed, the noise is de-noised at the same time.

最后，在对小波阈值的图像降噪原理进行分析的基础上，提出了一种改进的贝叶斯图像降噪方法，并将小波图像压缩和图像降噪结合在一起，来实现对噪声图像进行压缩的同时对它进行降噪。

In this scheme, two kinds of watermarks are embedded respectively into vertexes coordinates and topological information of 3D mesh, which enables the model to resist against not only large scaled cropping operation but also high strong noising. During the extraction of the watermark, the original model is not necessary.

该算法分别对3D网格模型的顶点信息和拓扑信息嵌入2种不同类型的单鲁棒性水印，从而使模型既能抵抗大面积的剪切攻击，又能抗击一定强度的噪声攻击；且在水印提取时不需要原始模型信息。

It's said that there are 12 ghost at least including a Robbers on the road, a monstery, a hanging body of schoolmaster and a noising ghost around a local pub.

据称，该村庄至少有12个&鬼&，其中包括一个路盗，一个幽灵修道士，一具校长的半悬尸体，以及一个在当地一家酒吧出没的吵闹鬼。

After making discrete stationary wavelet transform to an infrared image, de noising is done in the high frequency sub bands with better resolution.

对红外图像进行离散平稳小波变换后，对分辨率较好的各高频子带直接利用所提出的去噪方法去噪；对分辨率较差的各高频子带利用所提出的非线性增益法结合文中的去噪法进行增强；并给出一种评价增强图象质量的准则。

The algorithms above are implemented. Some analyses compared with Paul et al. [6] are drawn out. Experimental results indicate that the present algorithms are robust against JPEG compressing but extremely sensitive to other malicious manipulation such as filtering and random noising.

本文实现了上述的数字水印算法，并与文献[6]进行比较，实验结果表明本文所提出的算法对JPEG压缩具有很好的鲁棒性，但对其他攻击如滤波和加噪等是比较敏感的。

Simulated experiments show the proposed algorithm is very robust to several image manipulations such as JPEG compression, noising, filtering and image cropping.

仿真试验证明该算法对于JPEG紧缩、噪声、滤波、剪切等图像处置操纵具有较强的鲁棒性。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。