Processing methods for coded aperture imaging
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United States of America Patent
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Nov 29, 2011
Grant Date -
Jan 29, 2009
app pub date -
Feb 6, 2007
filing date -
Feb 6, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to processing of coded aperture images. Multiple frames of data acquired by the coded aperture imaging system, each with a different coded aperture array, are processed to form an image. The processing incorporates the constraints that the image solution must be positive and that the solution should be zero outside an expected image region. In one embodiment image enhancement may involve dividing the processed image into image regions having a spatially invariant point spread function and solving an inverse problem for each image region to reduce image blurring.
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