Systems and methods for generating two-dimensional images from projection data
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United States of America Patent
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Jun 27, 2017
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Oct 15, 2014
filing date -
Oct 15, 2014
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Abstract
A method for generating a two-dimensional image of an object using a CT scanner is provided. The method includes selecting an imaging surface for the object, the imaging surface including a plurality of pixels, selecting a viewing direction that is non-parallel to the imaging surface, rotating an x-ray source of the CT scanner around the object through a plurality of views, wherein the x-ray source projects x-rays towards a detector array opposite the x-ray source. For each pixel of the plurality of pixels, the method includes acquiring using the detector array, from the plurality of views, data values for x-rays that pass through the pixel and are within a pre-determined angle from parallel to the viewing direction, and combining the data values acquired for the pixel to calculate a final value for the pixel. The method further includes generating the two-dimensional image of the object based on the calculated final values for each pixel.
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