Methods and systems for image reconstruction using low noise kernel
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United States of America Patent
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Jan 26, 2010
Grant Date -
Aug 23, 2007
app pub date -
Feb 21, 2006
filing date -
Feb 21, 2006
priority date (Note) -
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Abstract
Methods and systems for a system for visualizing relatively small structures within an object are provided. The system includes an image acquisition sub-system for acquiring a dataset for a volume of interest and processor for generating image data from the acquired data wherein the processor is programmed to execute a high resolution filter kernel algorithm that includes a weighting factor applied to a ramp filter that scales relatively high frequency regions of the image dataset by a factor greater than one. The high resolution filter kernel algorithm also includes a windowing function applied to the weighted ramp filter that facilitates reducing aliasing artifacts in reconstructed images generated from the image dataset.
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