occlusion theory

英 [əˈkluːʒn ˈθɪəri]

美 [əˈkluːʒn ˈθiːəri]

网络闭塞理论

The existing occlusion models such as LOS and ROC are all based on the RCC ( Region Connection Calculus) theory, which is not suitable for handling multi-dimensional objects.
LOS和ROC等现有的遮蔽关系模型都是基于RCC（区域连接演算）的，因而不能支持混合维空间对象。
The occlusion variable and fusion feature are combined and introduced under the framework of Bayesian theory. Object tracking is realized with the particle filter tracking algorithm based on occlusion variable and fusion observation model.
在贝叶斯估计的框架下合理地将目标的遮挡变量和融合特征引入，采用粒子滤波实现基于遮挡变量和融合特征的目标追踪算法。从理论上分析该方法的可行性。
For example, pose, facial expression, age, occlusion, illumination and other factors still heavily influence the effect of face detection and recognition. Facial expression recognition research is still in its infancy, so the theory and method remains to be improved.
例如：姿态、表情、年龄、遮挡、光照等因素依然严重影响人脸检测与识别的效果，表情识别的研究仍处于起步阶段，理论和方法仍有待完善。