Apparatus and method for back-projecting an image
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United States of America Patent
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Jan 16, 1996
Grant Date -
N/A
app pub date -
Oct 15, 1993
filing date -
Oct 15, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A back-projector for use in a CT or other imaging system. For each pixel in the image that is to be reconstructed, a plurality of views of a scanned object are used to generate values for the pixel. The values from the multiple views are combined to yield a pixel value in the reconstructed image. The invention improves the speed and efficiency of existing systems by optimizing memory design and data path size within the back-projector and by implementing a perfect rounding system.
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