Image data processing
A technology of image data and volumetric image data, applied in image data processing, image enhancement, image generation, etc., can solve the problems of reducing image quality and spatial accuracy, global noise parameters cannot accurately reflect local voxel noise levels, etc.
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[0018] figure 1 An imaging system 100 is shown, such as a computed tomography (CT) scanner. In another embodiment, the imaging system 100 includes, for example, positron emission computed tomography (PET), single photon emission computed tomography (SPECT), and / or other scanners. The illustrated imaging system 100 includes a fixed gantry 102 and a rotating gantry 104 rotatably supported by the fixed gantry 102 . The rotating gantry 104 rotates about a longitudinal or z-axis around an inspection zone 106 .
[0019] A radiation source 108 (eg, an x-ray tube) is supported by the rotating gantry 104 and rotates with the rotating gantry 104 around the examination region 106 and emits radiation throughout the examination region 106 . A one-dimensional or two-dimensional radiation-sensitive detector array 110 positioned opposite the radiation source 108 across the examination region 106 includes one or more rows of detector pixels arranged along the z-axis. The detector pixels det...
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