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Systems, methods and apparatus for specialized filtered back-projection reconstruction for digital tomosynthesis
Systems, methods and apparatus for specialized filtered back-projection reconstruction for digital tomosynthesis
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机译:用于数字层析合成的专用滤波反投影重建的系统,方法和装置
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摘要
Systems, methods and apparatus are provided through which in one aspect, a three-dimensional (3D) image of an object is constructed from a plurality of two-dimensional (2D) images of the object using a specialized filter. In some embodiments, the specialized filter implements a linear ramp function, a windowing function, and/or a polynomial function. In some embodiments, the 3D image is back-projected from the filtered two-dimensional images, yielding a 3D image that has improved visual distinction of overlapping anatomic structures and reduced blurring.
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