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METHOD FOR REDUCTION OF THE RADIATION DOSE USED WITHIN THE FRAMEWORK OF AN X-RAY IMAGING EXAMINATION AND CT SYSTEM
METHOD FOR REDUCTION OF THE RADIATION DOSE USED WITHIN THE FRAMEWORK OF AN X-RAY IMAGING EXAMINATION AND CT SYSTEM
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机译:减少在x射线成像检查和CT系统框架内使用的辐射剂量的方法
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摘要
A method and an X-ray system are disclosed for reduction of the radiation dose used within the framework of an imaging X-ray examination. In at least one embodiment, for each pixel of a recorded image, structure information of a structure which may be present at a distance around the examined pixel is determined and a direction-dependent lowpass filter is applied to the pixel examined in each case, which filter's spatial coverage is less than the distance and which takes into account the morphological information of a structure which may be present with a direction-dependent weighting of the lowpass filter.
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