边缘分布函数 [数] marginal distribution function
- 根据虹膜纹理径向分布的特征,采用边缘梯度能量函数计算虹膜纹理清晰度。
according to the characteristics of iris texture, the definition of iris is evaluated by edge energy function. - 电子输运由中心位置向等离子体边缘靠近时,温度扰动分布函数在逐渐的减小。
When electronic transport to plasma edge position, the temperature perturbation distribution function is reduced. - 为了得到较理想的车道标识线的边缘,考虑车道标识线的方向特性,提出一种基于边缘分布函数(EDF)的图像预处理方法。
In order to get an ideal lane marks' edge, an image preprocessing method based on edge distribution function (EDF) was proposed considering the directional characteristics of lane marks.