G.e. Medical Systems, S.a.

Claire Chichereau

Jean Bossaert

Agnes Le Roux

The method consists of subjecting the organ to pre-exposure with a low dose of rays, creating in the field of the pre-exposure image a multi-cellular image in which each cell represents the mean signal level of a predetermined number of pixels of the detector, selecting from the columns the cell of minimum signal level most distant from a reference point, establishing about this cell a band parallel to the reference point and selecting from the band the cell having the absolute minimum signal level. The parameters of exposure may then be set from this absolute minimum

Method for automatic detection of glandular tissue

The method consists of forming a preexposure image and deriving from it a mean preexposure detector signal level and converting it into a preexposure dose level, determining the equivalent radiologic thickness, estimating a composition of width examined and establishing a configuration of exposure and an exposure mA.s.

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Paris, France

Claire Chichereau