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AssigneeGE Medical Systems SA
InventorsJEAN LIENARD, SERGE MULLER, FRANCOIS NICOLAS, FABIENNE BETTING
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A method of compensation for the thickness of an organ in an X-ray machine of the type comprising an X-ray source and a means of detection of the beam of X-rays after it has passed through the said organ, the detection means being capable of converting the X-ray beam into a digital electronic signal, in which, from a digitized image, an image of the radiologic thicknesses of an organ traversed by the X-ray beam is calculated, a thickness threshold is defined, from this there is derived an algebraic compensation image to bring the pixels of a level below or above the said threshold back to the value of the threshold, and the thickness image and a proportion of the compensation image are summed up, to obtain a compensated thickness image.
A method of compensation for the thickness of an organ in an X-ray machine, of the type comprising a source of X-rays and a means of detection of the X-ray beam after it has passed through the said organ, the detection means being capable of converting the X-ray beam into a digital electronic signal in which, from a digitized image there is calculated an image of the radiologic thicknesses of the organ traversed by the X-ray beam, comprising the steps of:
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