Koninklijke Philips Corporation N.v.

Philips Intellectual Property & Standards Gmbh

Matthijs Adriaansz

Hans Nikol

Rudolph M Snoeren

Herman Stegehuis

Carolina Ribbing

Peter Klaus Bachmann

Johannes Catharina Antonius Op De Beek

Han Kroon

An imaging apparatus includes a multi-dimensional assembly supporting a plurality of x-ray sources that are individually addressable. The plurality of x-ray sources is further configurable to simultaneously emit x-ray spectra at different mean energies. Furthermore, the multi-dimensional assembly includes a plurality of x-ray detectors that are arranged to detect at least a part of the x-rays that are emitted from at least one of the x-ray sources.

Imaging apparatus using distributed x-ray souces and method thereof

The invention relates to a method to measure the entrance dose of a radiology apparatus of the type comprising an X-ray beam source, and a detector for the X-ray beam after it has passed an object of interest carried on a table placed between the source and the detector, wherein the X-ray beam source is placed above said table and wherein the distance between the X-ray beam source and the object is estimated taking into account the object's morphology, for determining said entrance dose. An attenuation-ratio is calculated depending on energy-levels of the X-ray beam leaving the X-ray beam source and arriving at the detector respectively, and that the object's thickness is calculated depending on said attenuation-ratio, said thickness together with the table-position defining said distance between the X-ray beam source and the object.

Method to measure the entrance dose of a radiology apparatus

X-ray examination apparatus

A method of performing bone densitometry, utilizing a dual-energy method, wherein the surrounding soft tissue in the volume of interest is accurately eliminated from the transmission images by means of a calibration procedure. The method utilizes an X-ray apparatus with a two-dimensional X-ray detector so as to perform data acquisition during one run.

Method and system for determining a density of a volume in an image data set

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Eindhoven, Netherlands

Matthijs Adriaansz