G.e. Medical Systems, S.a.

Fran&ccedil;ois Nicolas

Serge Muller

Jean Lienard

Andreas Rick

Sylvie Bothorel

The method comprises a histogram of the radiographed image, i.e., a real histogram, a mathematical model of the image chain and the object obtained by calibration. The mathematical model of the image chain and the object and a set of parameters of acquisition, of the detector, of the positioner and of the object are used to determine two values of gray level, gray min and gray max, delimiting a useful zone and the part below gray min and the part above gray max are suppressed in the real histogram, i.e., a limited histogram. A set of rules is applied to the limited histogram in order to determine the level of brightness (WL) and the contrast (WW) is obtained from the brightness and possibly from one or more parameters selected by the user or fixed a priori.

Growing community of inventors

Palaiseau, France

François Nicolas

Growing community of inventors

Palaiseau, France

Fran&ccedil;ois Nicolas

François Nicolas