Depth-of-focus imaging process method
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United States of America Patent
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Apr 28, 1987
Grant Date -
N/A
app pub date -
May 18, 1984
filing date -
Jun 27, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved-focus 2-D image is derived from an assemblage of M separately focused 2-D images of the same 3-D scene by (1) employing the Burt Pyramid image analyzing technique to separately analyze each of the M separately focused images into N similar sets of pixel samples, (2) selecting, on a pixel-by-pixel basis from each group of M corresponding sets of the assemblage, the best focused pixel, to derive a single analyzed image of N sets of improved-focus pixels, and (3) employing the Burt Pyramid image synthesizing technique to synthesize the improved-focus 2-D image from the single analyzed image of N sets.
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