3 . according to the criterion of edge detection and consulting the design - aim of optimal edge - filter , this paper discussed the general rules of selecting the mother function of wavelet used in edge detection , construct two type b - spline wavelet function ( 3 )根据边缘检测的评价准则，参照最佳边缘滤波器的设计要求，确定用于边缘检测的小波基函数的一般准则，并在此基础上构造两类b样条小波函数。
According to the theory of human physiology , anatomy and biomechanics , the anatomical structure at buttocks and thigh area is analyzed to propose a general criteria on the comfortable body pressure distribution in man - machine interface 摘要针对汽车驾驶人机接触界面中的乘坐舒适性问题，依据人体生理学、解剖学和生物力学原理，通过对臀部和股区的解剖结构分析，提出了汽车人机界面的舒适体压分布的一般准则。
