NIST Math Technique Opens Clearer Window on Universe

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A: Galaxy UGC 10214 (Tadpole) imaged in 2002 by the Advanced Camera for Surveys (ACS) aboard NASAacutes Hubble Space Telescope shows what NASA called a Whitmanacutes Sampler of galaxies from the universes 13-billion-year evolution. B: Applying the AP ...
A: Galaxy UGC 10214 (“Tadpole”), imaged in 2002 by the Advanced Camera for Surveys (ACS) aboard NASA's Hubble Space Telescope, shows what NASA called a “Whitman's Sampler of galaxies” from the universe’s 13-billion-year evolution. B: Applying the APEX method to the Tadpole galaxy image brings both “foreground” objects and background galaxies into significantly sharper focus. Credit: NASA/NIST

A fast, efficient image enhancement technique developed at the National Institute of Standards and Technology and originally applied to improving monochrome microscope images has proved itself equally effective at the other end of the scale— sharpening details on color images of distant galaxies produced by the Hubble Space Telescope. That the technique’s practical value would span from inner space to outer space was a welcome surprise to NIST mathematician Alfred Carasso.


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