A method for B-spline filtration of data measured on a very precisely manufactured sphere is described in this paper. The method has been developed to decrease the uncertainty of measurement which can be obtained by least squares method commonly used when processing the measured data. The B-spline filtration is realised as a B-spline surface approximating the data measured on 3D coordinate measuring machine and transformed into the parametric space of the sphere. This transformaton eliminates the undesirable consequences of convex hull property of B-spline surfaces when processing convex data. Furthermore, the B-spline representation of the measured sphere can be considered as a certain replacement of the original sphere. Subsequently, the B-spline representation can be used for a new more precise measuring strategy in iterative measuring process. and Obsahuje seznam literatury
Author examines the strategies used to set the borders and limits of assisted reproduction for postmenopausal women. In the Czech Republic women can undergo the assisted reproduction only till 48 years nowadays. There are two main images of postmenopausal women in the public space. The first one is negative and it treats these women like old grandmas who are not able to rear their child proprely because of their age. On the other hand women after menopause can be seen as more responsible and as having enough financial resources to devote all of their time to their children. The paper discusses the discursive strategies of doctors which are mostly based on biological and natural limits of women´s reproduction. These natural limits are significantly influenced by social norms and values, the lifestyle of women etc. The author points out that the limits of reproductive age are socialy shaped according to the social definition of legitimate form of the motherhood.