1) 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。
2) zero-crossing
零交叉
1.
An Improved Approach of Image Edge Detection Based on Zero-crossing;
一种基于零交叉的图像边缘检测的改进方法
2.
The background noise is considered as a series of impulse and analyzed by zero-crossing method.
将背景噪声看成一系列起伏状脉冲 ,利用零交叉方法估计各单次记录信号中噪声的脉冲宽度 ,取其最大值作为基准参数 ,自适应地动态确定各单次滤波时所用窗口的大小 。
3.
The methodology is based on zero-crossing algorithm, with feature point detection algorithm added to improve detecting accuracy and speed on the zero-crossing method.
论文针对工业领域对产品目标三维形态检测的具体应用，提出并研究和开发了平行视双目立体视觉体系中以零交叉检测为主，以特征点检测为辅的图象特征提取方法，实验证明，用该方法可以可靠而有效地分析工业目标三维形态特
3) 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。
4) zero crossing
零点交叉
5) zero crossing algorithm
零交叉算法
6) zero-crossing density
零交叉密度
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