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- geometrical mean filtering 几何平均滤波
- geometric mean filtering 几何平均滤波
- Low pass filter and mean filter fail to eliminate the diversities. 通过引入脉动假设,对信号的差异进行了分析。
- In chapter 3, we discuss the mean filter and median filter. 第3章主要讨论了均值滤波器和中值滤波器等。
- The geometrical mean densities for Salmonella,Listeria monocytogenes,Vibrio parahaemolyticus were 265 CFU/g,96 CFU/g and 93 MPN/100 g respectively. 沙门菌、单核细胞增生性李斯特菌和副溶血性弧菌阳性样品中的几何平均菌密度分别为265、96CFU/g和93MPN/100g。
- The fractal picture is elegancy and singularity, and has obvious geometrical meaning. 然后根据求根的结果绘制分形图形的方法,绘制出的分形图优美而玄妙,几何意义明显。
- Experiment results show the sine-cosine mean filter algorithm not only reduce the noise preferably but also preservers the edge information from loss. 四向加权最小二乘法比现有的两向最小二乘法相位解缠更接近真实解缠相位.
- For example, we used the mean filter and median filter to resolve the problems of accessory images quality owing to noise and underexposure. 例如,用均值滤波和灰度变换来解决由于噪声或曝光不足所引起的零件图象质量下降的问题;
- By the comparative tests with the mean filter and the median filter,the AWMF performs best features in the reduction of noise and keeping edge information of images. 通过与均值滤波、中值滤波的对比实验;自适应权重中值滤波器表现出良好的滤波特性;而且它在抑制噪声的同时;较大限度地保持住图象的边沿特征.
- By analysing geometrical meanings of the cubic rational B-spline weight factor, the paper presents a study of the geometrical characteristics of cubic rational B-spline curves. 摘要通过对三次均匀有理B样条曲线权因子几何意义的分析,从而研究了三次有理B样条曲线的几何特性。
- Combined with wavelet transform and mean filtering, an efficient image-denoising method was presented.Firstly, noised image was decomposed to various frequency sub-band images by wavelet transform. 摘要将小波变换和均值滤波相结合提出了一种有效的图像去噪方法,先将含噪图像进行小波分解,获得不同频带的子图像。
- seasonal geometrical mean E. coli density 季节性的大肠杆菌密度几何平均数
- The paper studies mean filter, SUSAN filter, median filter and gauss filter technology, and selects the fast median filter to get good smoothing result of pavement image. 研究了均值滤波、SUSAN滤波、高斯滤波和中值滤波技术,对路面病害图像进行了平滑去噪处理,最后选用快速中值滤波并取得了良好的效果,为下一步图像分割打好了基础。
- The method cut down the influence of the noises to the estimate of the parameter of Wiener filtering by meaning filtering first. 该算法首先通过均值滤波去除噪声从而减小噪声在维纳滤波参数估计的影响;
- The best beaches are ranked as Good, while those beaches with a higher geometric mean are ranked Fair. 水质最佳的泳滩级别为良好,几何平均含量较高的泳滩级别为一般。
- In 1998,the reinfection rate was 23% and the geometric mean intensity of infected subjects was 64 5 epg. 1998年 ;感染率为 2 3.;0%25;感染度 (EPG)几何均值为 6 4
- The geometric mean of the autoantibody is 1:62 in DCM group, 1:4 in non-DCM group, and 1:4 in normal control group. DCM组的抗心肌抗体平均几何滴度为1:62,非DCM组为1:4,正常对照组为1:4。
- The geometric mean peak current of return strokes is 11.9 kA with a range from 6.6 kA to 21.0 kA. 回击电流峰值的几何平均值为11.;9kA;变化范围为6
- Geometrical theorems grew out of empirical methods. 几何定理是从经验得出的。
- The geometric mean titers of CFT-antibody of group A,B,C and D were 8.88, 30.28, 42.71 and 50. 10. respectively . CFT抗体的几何平均滴度依次为8.;88、30