An X-ray imaging system including: an X-ray Talbot imaging apparatus which is provided with an object table, an X-ray source, a plurality of gratings, and an X-ray detector side by side in a direction of an X-ray radiation axis, and irradiates the X-ray detector with an X-ray from the X-ray source through an object and the plurality of gratings to obtain a moire image required for forming a reconstruction image of the object; and an object housing inside which the object is housed and an environmental condition independent of an external environment is set, wherein the object housing is provided detachably with respect to the object table.

An X-ray optical system incorporates a refractometer, interferometer, spectrometer, diffractometer or imaging device for analyzing a sample. The X-ray optical system is configured with a monochromator which is fabricated from low atomic mass metal borates MxByOz crystals, wherein M is low atomic mass metal, and x, y, z are respective atom numbers of metal, borate and oxygen in chemical formula. The metal borates include borates of lithium (Li), sodium (Na) or stronium (Sr).

The present invention relates to a system (10) for X-ray dark-field, phase contrast and attenuation image acquisition. The system comprises an X-ray source (20), an interferometer arrangement (30), an X-ray detector (40), a control unit (50), and an output unit (60). An axis is defined extending from a centre of the X-ray source to a centre of the X-ray detector. An examination region is located between the X-ray source and the X-ray detector. The axis extends through the examination region, and the examination region is configured to enable location of an object to be examined. The interferometer arrangement is located between the X-ray source and the X-ray detector. The interferometer arrangement comprises a first grating (32) and a second grating (34). For a first mode of operation: The control unit is configured to control at least one lateral movement transducer (70) to move the first grating or move the second grating in a lateral position direction perpendicular to the axis. The control unit is configured to control the X-ray detector to acquire image data whilst the first grating and/or second grating is moving. During an exposure time of the X-ray detector the first grating and/or second grating has moved a distance less than a period of the first grating and/or second grating. The control unit is configured to control movement of the first grating and/or second grating such that the image data is acquired whilst the first grating and/or second grating is moving. For the first mode of operation the output unit is configured to output one or more of: dark-field image data, phase contrast image data, and attenuation image data.

Disclosed herein is a method, comprising: for i=1, . . . , M, sending a pencil radiation beam (i) toward an image sensor, wherein the pencil radiation beam (i) is incident on an incident region (i) on the image sensor, wherein the pencil radiation beam (i) is aimed at a target region (i) on the image sensor, wherein M is a positive integer, wherein the image sensor comprises active areas spatially discontinuous from each other, and wherein the incident regions (i), i=1, . . . , M and the target regions (i), i=1, . . . , M are on the active areas; and for i=1, . . . , M, determining an offset (i) between the incident region (i) and the target region (i).

The present invention relates to a detector (10) for a dark-field and/or phase-contrast interferometric imaging system. The detector comprises a plurality of pixels (50), a plurality of first detector arrays (20), pixel a plurality of second detector arrays (30), and a processing unit (40). The plurality of pixels are arranged in a two-dimensional pattern. Each pixel comprises a first detector array and a second detector array. Each first detector array comprises a plurality of fingers (22). Each second detector array comprises a plurality of fingers (32). For each pixel the fingers of the first detector array are interleaved alternately with the fingers of the second detector array. For each pixel interaction with an incident X-ray photon can lead to charge generation in at least one finger of the first detector array of that pixel and can lead to charge generation in at least one finger of the second detector array of that pixel. For each pixel the first detector array is configured to detect a cumulative charge associated with the plurality of fingers of the first detector array and the second detector array is configured to detect a cumulative charge associated with the plurality of fingers of the second detector array. For each pixel the processing unit is configured to assign an X-ray interaction event to either the first detector array or the second detector array on the basis of the detector array that has the highest cumulative charge.

In accordance with the invention, an X-ray amplitude analyzer grating adapted for use in an interferometric imaging system, the interferometric imaging system comprising an X-ray source and an X-ray detector with an X-ray fringe plane between the X-ray source and the X-ray detector, wherein an X-ray fringe pattern is formed at the X-ray fringe plane, wherein the X-ray amplitude analyzer grating is provided. The X-ray amplitude analyzer grating comprises a plurality of grating pixels across two dimensions of the X-ray amplitude analyzer grating, wherein each grating pixels of the plurality of grating pixels has a different pattern with respect to all adjacent grating pixels to the grating pixel so that all adjacent grating pixels do not have a same pattern as the grating pixel.

In one aspect of the invention a system and method is claimed for providing model parameters for three dimensional fabrication of anatomical structures by obtaining and reconstructing three dimensional image data with a medical imager wherein imaging acquisition parameters of the imaging system and/or reconstruction input parameters of the reconstructor are optimized for maximum geometry precision. Advantageously, the imaging system is further configured to obtain material and/or functional information of the anatomical structure model and that material information is used to incorporate the material information in the anatomical model.

Methods for quantitatively separating x-ray images of a subject having three or more component materials into component images using spectral imaging or multiple-energy imaging with 2D radiographic hardware implemented with scatter removal methods. The multiple-energy system may be extended by implementing DRC multiple energy decomposition and K-edge subtraction imaging methods.

A system can have an x-ray source that generates a series of individual x-ray pulses for multi-energy imaging. A first x-ray pulse can have a first energy level and a subsequent second x-ray pulse in the series can have a second energy level different from the first energy level. An x-ray imager can receive the x-rays from the x-ray source and can detect the received x-rays for image generation. A generator interface box (GIB) controls the x-ray source to provide the series of individual x-ray pulses and synchronizes detection by the x-ray imager with generation of the individual x-ray pulses. The GIB can control x-ray pulse generation and synchronization to optimize image generation while minimizing unnecessary x-ray irradiation.

An x-ray tomography system which can generate a qualitative 3D image of a region of interest using a an x-ray source, the x-ray source configured to emit x-ray radiation at the region of interest. The x-ray radiation or the x-ray source or the relative position of the x ray source configured to be moved in a two dimensional plane. An x-ray detector including a plurality of detector elements arranged in a two dimensional plane opposite the x-ray source, the x-ray detector configured to detect x-ray radiation after attenuation by the subject and provide an indication of the detected x-rays. And a processor configured to receive the indication of the detected x-rays and resolve the detected x-ray radiation into a three dimensional image. The three dimensional image is qualitative in nature.