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- Generalized Gaussian model 广义高斯模型
- The main contributions of this thesis are as follows:Generalized Gaussian distribution (GGD) is a nice model for the DCT coefficients and wavelet coefficients in theory and practice. 本文主要的内容和创新点包括:由于广义高斯分布GGD(Generalized Gaussian distribution)的高度灵活性,理论上和实际中它都可以非常好地描述离散余弦变换(DCT)和小波变换(Wavelet transform)的编码系数(Transform coefficients)。
- By applying generalized Gaussian distribution to statistically model the alternating current coefficient of discrete cosine transform, the technology of the blind image watermark is studied and the performance of the new detector is analyzed. 摘要根据数字图像离散余弦变换域交流系数的广义高斯分布模型,对盲图像水印技术进行研究,并给出了水印检测器检测性能的理论分析结果。
- The diffusion of radio-nuclides in atmosphere was studied on the basis of Gaussian Model. 摘要在高斯烟羽模型的基础上,对核事故中放射性云团在大气中的扩散规律进行了研究。
- Two consecutive frames was subtracted to pick up background pixel in this method, then the Gaussian model of every pixel was built. 该方法基于帧间差分法检测出帧中的背景像素点后,再确立每个点的高斯模型,最后运用背景差分准确检测出场景中的运动目标。
- generalized Gaussian distribution statistic model 广义高斯分布统计模型
- generalized Gaussian mixture model 混合广义高斯密度模型
- We calculate the cross-correlation function (CCF) for the light curves in 25-55 and 110-300 keV bands and derive the spectral lag by fitting the CCF with the Gaussian model. 我们计算了25-55和110-300kev能段的互相关函数(COF),并通过高斯模型拟合CCF得到光谱时滞。
- The key element of the method is wavelet coefficients in each sub-band of wavelet transform are modeled as a Generalized Gaussian distribution (GGD) with two parameters. 图像的小波子带分解系数纹理可以建模为两参数广义高斯分布。
- Long-term diffusion model of atmospheric pollutant (ISCLT3) called regulatory model is a kind of Gaussian model recommended by U.S. Environmental Protection Agency. 大气污染长期扩散模型(ISCLT3)是高斯模型的一种,是美国环境保护署强制推荐的大气污染扩散模型,并称为法规模型;
- Presented here is the calculation of the diffusion of radionuclides from the Daya Bay Nuclear Power Plant under normal operation on the basis of Gaussian model. 摘要以高斯烟羽模型为基础对大亚湾核电站正常运行时所释放的放射性核素在大气中的扩散进行模拟计算。
- Additional information can be found at the General Gaussian Web site. 额外信息可在高斯的一般高斯网站找到。
- Based on method of minimizing of mutual information and approximated generalized Gaussian distribution of equalized output signal,the equalizer changes its coefficients adaptively. 采用输出信号的广义高斯分布近似 ;基于互信息最小化目标函数自适应调整均衡器的系数 .
- Generalized Gaussian distribution is a class of symmetry distributions with the Gaussian distribution and Laplacian distribution as the special cases. It is widely applied in the fields of signal processing,image processing and so on. 广义高斯分布是一类以Gaussian分布、Laplacian分布为特例的对称分布 ;它在信号处理和图像处理等领域都有广泛的应用 .
- The comparisons between the simulated results of two models and experiments show that double ellipsoidal model is better than Gaussian model on three-dimensional analysis. 两种模型的仿真结果与工艺试验结果比较表明,双椭球形热源模型比高斯热源模型更适合双丝焊的三维有限元分析。
- The vehicle emission dispersion models can be classified into Gaussian model,empirical model,numerical simulation model and box model. 机动车排放污染扩散模式可分为高斯模式、经验模式、数值模拟模式和箱式模式。
- The Gaussian model is used to normalize the sub-characters of different images.Finally, the texture similarity between the querying image and other images is computed by the Euclidean distance. 针对特征向量进行高斯归一化,利用欧氏距离计算不同图像间的纹理相似度。
- A weighed double Gaussian model is proposed to estimate super-Gaussian and sub-Gaussian probability density.In the framework of natural gradient, model parameter is calculated online by kurtosis. 该算法用加权双高斯模型估计超高斯与亚高斯信源分布,在自然梯度框架下,依据峭度实现模型参数自适应。
- A novel hardware implementation method of real-time generating Gaussian random noise based on CORDIC algorithm is proposed in this paper. 该文提出了一种基于坐标旋转数字计算机(CORDIC)算法实时产生高斯随机噪声的硬件实现方法。
- generalized Gaussian distribution 广义高斯分布
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