2) crowd density estimation
人群密度估计
1.
This paper proposes a novel crowd density estimation method,which first employs wavelet transform and grey level dependence matrix to extract the features,then uses the support vector machine to identify the level of the crowd density.
人群密度估计是智能化人群监控中十分重要的内容,它对于人民群众的生命安全有着重要的作用和意义。
2.
As the existed method for crowd density estimation works only in a simple background scene,an improved method which can apply to complicated scene is proposed in this paper.
人群密度估计在场景监控中至关重要,它对人群安全以及现场管理调度有着重要的作用和意义,但现有的人群密度估计的方法均要求基于简单背景。
3) population density
种群密度
1.
Relationships between Phodopus campbelli age and population density and Capillaria hepatica infective rate;
黑线毛足鼠年龄和种群密度与肝毛细线虫感染率的关系
2.
Population Density and Seasonal Variation of Flies in Different Areas in Fujian,China;
福建省不同地区蝇类种群密度与季节消长
3.
Effect of host species,host distance and population density on dispersal activity of Bemisia tabaci;
寄主种类、距离和种群密度对烟粉虱扩散的影响
4) density estimation
密度估计
1.
Wavelet-Based density estimation and its application to fault diagnosis;
基于小波分析的概率密度估计及其在故障诊断中的应用(英文)
2.
An asymptotic representation of local ise for kernel density estimation;
核密度估计的局部积分方差的渐近表示
3.
Based on non-dominated sorting and density estimation,this algorithm uses a new selection operator to create mating pool by selecting solutions from parent population and uses an outer set to keep non-dominated solutions.
该方法在非支配解排序和密度估计的基础上,设计了一种新的选择算子从父代中选择进入繁殖池的个体,并使用外部集合保存进化过程所得的非支配解。
5) Density estimator
密度估计
1.
A bound on L_1 distances of kernel density estimators for truncated and censored data;
左截断右删失下核密度估计的L_1距离的界(英文)
6) algae density
藻种群密度
补充资料：种群密度
分子式：
CAS号：
性质：在单位面积的生物群落中，某种生物的个体数目。
CAS号：
性质：在单位面积的生物群落中，某种生物的个体数目。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条