1) zero-crossing density
零交叉密度
2) cross-spectral density
交叉谱密度
1.
In his paper,a model of nonparaxial partially coherent TEM11 Hermite-Gaussian(HG) beams is set up by using cross-spectral density function.
文章运用交叉谱密度函数针对半导体激光束建立了一个模型—非傍轴部分相干TEM11厄米-高斯(HG)光束,并对这类光束在自由空间中的传输特性进行了计算机仿真。
3) multiresolution zero-crossing
多尺度零交叉
1.
The multiresolution zero-crossing of binary wavelet transform are used as matching primitives, the algorithm uses a coarse-to-fine matching strategy and strict constraints.
将小波变换运用到立体视觉的图像匹配中,选取合适的二进小波基,以二进小波变换的多尺度零交叉为匹配基元,较多地利用了图像的结构特征。
4) cross-spectral density function
交叉谱密度函数
5) zero crossing
零交叉
1.
Edge detection of CO_2 arc welding pool image based Bubble wavelet and zero crossing;
CO_2焊熔池图像的Bubble小波零交叉边缘检测
2.
Wavelet zero crossing representation is investigated.
分析了信号零交叉表示方法，给出了新的由零交叉表示进行原始信号重构的算法。
3.
Based on zero crossing representation of wavelet transform of this radial function and matching procedure, a new algorithm to identify orbits of shaft centerline is proposed.
基于此函数的小波变换零交叉表示和匹配过程，得到了识别轴心轨迹的一种新方法。
6) zero-crossing point
零交叉点
1.
For the first frame of the video, the object edge is obtained by an enhanced interactive method; in the remaining frames of the video, a new Snake algorithm is proposed to detect the sharp-angled and concave object contour under the constraint of zero-crossing point, the experimental results of different.
对于初始帧,采用改进的交互方法进行目标的精确定位;在后续帧中,采用零交叉点约束的Snake算法,对具有凹边和尖点特征的复杂目标准确跟踪,获得了理想的实验结果。
2.
The traditional method which uses a threshold to every zero-crossing points to detect salient edges by LOG operator,can filter parts of unconspicuous edges caused by noise,but it can also filter the weak edges connecting to salient edges.
传统的 LOG 边缘检测在对每个零交叉点给定阈值判断其明显度时,将滤掉大部分可能是由噪声产生的弱边缘,但目标中封闭轮廓的弱边缘也可能被滤掉。
补充资料：零息票债券；零券息债券
零息票债券；零券息债券一种以低于票面价值的价格发行的债务工具。债券不支付任何票息；它在到期日是以面值赎回的。
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