公开(公告)号：US06535577B2

公开(公告)日：2003-03-18

申请号：US09948355

申请日：2001-09-07

申请人： Luc Mioitti ,  Serge Muller ,  Andreas Rick

发明人： Luc Mioitti ,  Serge Muller ,  Andreas Rick

IPC分类号： G21K1100

CPC分类号： G21K1/02 ,  A61B6/06 ,  A61B6/4291

摘要： Method and apparatus and computer programs and computer medium for improving quality of a radiographic image of an object obtained by an X-ray apparatus containing an antidiffusion grid, placed between the object and a receiver of radiographic images, The grid is displaced in rectilinear translation in its plane on pickup of the image, between two positions according to a time displacement law which is a continuous curve with a time precision of approximately ±10% presenting at least five separate parts, the displacement taking place at constant speed over at least two parts and at variable speed over at least one part.