First the image was transformed into diagonal one,reserving the correlations between variations of rows and those of columns of the image,then an image with definite size was obtained by using wavelet transform,and finally the susceptivity of algorithm to the change of illumination was reduced by using exponential decay strategy.
先将图像对角化表示,保留图像对角方向结构信息;再通过小波变换得到一定尺度的图像;最后利用图像灰度的指数衰减策略,降低算法对光照等变化的敏感性。
Moreover,by study the asymptotic behavior of solutions for the ablve problem,that the energy is exponential decay in time was.
并且通过研究解的渐近行为,证明了能量随时间是指数衰减的。
In this paper, we study the existence, uniqueness and exponential decay of the global solution for the systemwith initial conditionsHere |·|2 is the norm in L~2(0,L) , u is the transverse displacement of the string, d is the temperature and M,N and R are real nonlinear functions.
2)在不同的边界条件下强解的存在,唯一和指数衰减性。
The attenuation rate η of stress peak is discussed and the attenuation indexes α within different stress range are given.
利用轻气炮平板碰撞试验 ,对新加坡BukitTimah花岗岩试样进行冲击压缩试验研究 ,根据实验数据研究了应力波的传播 ,用四次多项式表示了应力波峰值随传播距离的衰减规律 ,讨论了应力波峰值的衰减率 η和不同应力范围的衰减指
It is characterized a Riesz basis associated with an exponentially decaying mask in term of refinement function and two-direction wavelets.
在指数衰减情况下,研究双向加细方程在L2稳定解的存在性,得到双向多辨分析紧支撑小波的Riesz基完整刻划。
We use the implicit function theorem to prove that the zeros are continuable, and that the continuations are exponentially decaying.
我们给出定义在R×l~∞空间上的映射的零解延拓定理：应用隐函数定理证明零解可延拓，再进一步证明延拓后的零解具有指数衰减性。
An exponential attenuation model of main peak about white noise\'s ambiguity function is analyzed,and the numerical formula of the model is deduced.
分析适用于模糊区与近似清晰区的白噪声模糊函数中心主峰附近的指数衰减模型,推导了模型参数的数值计算公式。
The density goes down exponentially with height.
分子密度随着高度的上升而指数衰减。
Studies on Double-exponential Decay of Ionization for H_2~+ Exposed to Intense Lasers;
H_2~+强光电离中的双指数衰减过程研究
Revise for fourier transform of exponential decay signal
指数衰减信号的Fourier变换修正
Analysis on an exponential attenuation factor in the modified Friedlander equation by overpressure tests
修正的Friedlander方程指数衰减因子
Exponential Decay of Thermoelastic Plate with Variable Coefficients and Dynamic Boundary
具有动态边界的变系数热弹性板的指数衰减性
In initial stage of decomposition, litter loss accorded with an exponential attenuation model.
分解初期,枯枝落叶的损失符合指数衰减模型。
The Exponential Decay of Energy for Semi-linear Damping Wave Equation;
半线性阻尼波动方程的解的能量指数衰减性
Entry,Temporary Suspension and Exit Decisions under Uncertainty;
指数衰减模型的进入、临时关闭与退出策略
Exponential Decay of Solution of Wave Equation with Boundary Memory;
具边界记忆项的波方程解的指数衰减性
In this paper, a pole extraction method based on genetic algorithm is presented.
文章给出利用遗传算法提取指数衰减信号极点的方法。
It is easy to show, for an exponential decay, that the uncertainty in the life time is also z.
很容易证明，对于指数衰减来说，寿命的不确定性也是z。
Fluorescence two-exponential decay which limits the optical gain of NdP_5O_(14) at high excitation intensity was observed.
观察到高泵浦强度下影响光学增益的荧光双指数衰减曲线。
Global Existence, Uniqueness and Exponential Decay for a Nonlinear Thermoelasticity System;
一类非线性热弹性梁方程解的整体存在，唯一和指数衰减性
Linear prediction of exponential decaying sinusoidal superposition signal
振幅指数衰减正弦干涉信号线性预测模型的求解
The frictional dissipation will introduce an exponential decay.
摩擦耗散可导致指数式的衰减。
Discuss of Method to Determine Consistent Spectra Decaying Constant
一致概率谱衰减指数的取值方法探讨
A specimen which is much thicker than the penetration depth decays exponentially.
一个比穿深透度厚得多的样品，按指数律衰减。
Empirical analysis of performance for investment fund through Sharpe ratio and decay rate;
投资基金绩效评价的Sharpe指数与衰减度实证分析